[INFO] fetching crate reproto-core 0.3.36...
[INFO] testing reproto-core-0.3.36 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate reproto-core 0.3.36 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate reproto-core 0.3.36 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reproto-core 0.3.36
[INFO] finished tweaking crates.io crate reproto-core 0.3.36
[INFO] tweaked toml for crates.io crate reproto-core 0.3.36 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41f34d6c3f20493435f7e410bfe5b9d024fa927390ba61442a0711ade87aee3b
[INFO] running `Command { std: "docker" "start" "-a" "41f34d6c3f20493435f7e410bfe5b9d024fa927390ba61442a0711ade87aee3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41f34d6c3f20493435f7e410bfe5b9d024fa927390ba61442a0711ade87aee3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f34d6c3f20493435f7e410bfe5b9d024fa927390ba61442a0711ade87aee3b", kill_on_drop: false }`
[INFO] [stdout] 41f34d6c3f20493435f7e410bfe5b9d024fa927390ba61442a0711ade87aee3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b7e9817c3c48f5cc60f8ace629a70b88b1109c84a53718f6dbee997c730fc0
[INFO] running `Command { std: "docker" "start" "-a" "a0b7e9817c3c48f5cc60f8ace629a70b88b1109c84a53718f6dbee997c730fc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling ropey v0.6.3
[INFO] [stderr]    Compiling serde_test v1.0.127
[INFO] [stderr]    Compiling relative-path v0.3.7
[INFO] [stderr]    Compiling reproto-semver v0.3.36
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling reproto-core v0.3.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `linkedlist`
[INFO] [stdout]   --> src/rp_file.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[allow(linkedlist)]
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |     filesystem: Rc<Box<Filesystem>>,
[INFO] [stdout]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(filesystem: Box<Filesystem>) -> Context {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:56:65
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn filesystem(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]    |                                                                 ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:23:57
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>>;
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:29:60
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>>;
[INFO] [stdout]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:68:65
[INFO] [stdout]    |
[INFO] [stdout] 68 |             fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:91:37
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn filesystem(&self) -> Box<Filesystem> {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs.rs:104:61
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn open_root(&self, _root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs.rs:129:57
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/import.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn import(&mut self, &RpRequiredPackage) -> Result<Option<RpVersionedPackage>>;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &RpRequiredPackage`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn read(&self) -> Result<Box<Read>> {
[INFO] [stdout]    |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let out: Box<Read> = match *self {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/source.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn read(&self) -> Result<Box<Read>> {
[INFO] [stdout]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         <Self::Source as Flavor>::Package,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Package`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         <Self::Source as Flavor>::Type,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Type`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         <Self::Source as Flavor>::Field,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Field`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         <Self::Source as Flavor>::Endpoint,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Endpoint`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn find_line<'a, R: AsMut<Read + 'a>>(
[INFO] [stdout]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn find_range<'a, R: AsMut<Read + 'a>, S: Into<Span>>(
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/errors.rs:131:55
[INFO] [stdout]     |
[INFO] [stdout] 131 |         static ENABLED: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/rp_package.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 mem::replace(p, keyword.to_string());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/rp_package.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             mem::replace(p, new_name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.97s
[INFO] running `Command { std: "docker" "inspect" "a0b7e9817c3c48f5cc60f8ace629a70b88b1109c84a53718f6dbee997c730fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b7e9817c3c48f5cc60f8ace629a70b88b1109c84a53718f6dbee997c730fc0", kill_on_drop: false }`
[INFO] [stdout] a0b7e9817c3c48f5cc60f8ace629a70b88b1109c84a53718f6dbee997c730fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08dba6a20444e71e0a4d8edbca7cba866d31a7b4af9fae782d11504c66228127
[INFO] running `Command { std: "docker" "start" "-a" "08dba6a20444e71e0a4d8edbca7cba866d31a7b4af9fae782d11504c66228127", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unknown lint: `linkedlist`
[INFO] [stdout]   --> src/rp_file.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[allow(linkedlist)]
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |     filesystem: Rc<Box<Filesystem>>,
[INFO] [stdout]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(filesystem: Box<Filesystem>) -> Context {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:56:65
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn filesystem(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]    |                                                                 ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:23:57
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>>;
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:29:60
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>>;
[INFO] [stdout]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:68:65
[INFO] [stdout]    |
[INFO] [stdout] 68 |             fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:91:37
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn filesystem(&self) -> Box<Filesystem> {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs.rs:104:61
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn open_root(&self, _root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs.rs:129:57
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/import.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn import(&mut self, &RpRequiredPackage) -> Result<Option<RpVersionedPackage>>;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &RpRequiredPackage`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn read(&self) -> Result<Box<Read>> {
[INFO] [stdout]    |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let out: Box<Read> = match *self {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling reproto-core v0.3.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/source.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn read(&self) -> Result<Box<Read>> {
[INFO] [stdout]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         <Self::Source as Flavor>::Package,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Package`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         <Self::Source as Flavor>::Type,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Type`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         <Self::Source as Flavor>::Field,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Field`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         <Self::Source as Flavor>::Endpoint,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Endpoint`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn find_line<'a, R: AsMut<Read + 'a>>(
[INFO] [stdout]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn find_range<'a, R: AsMut<Read + 'a>, S: Into<Span>>(
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/errors.rs:131:55
[INFO] [stdout]     |
[INFO] [stdout] 131 |         static ENABLED: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/rp_package.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 mem::replace(p, keyword.to_string());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/rp_package.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             mem::replace(p, new_name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `linkedlist`
[INFO] [stdout]   --> src/rp_file.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[allow(linkedlist)]
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |     filesystem: Rc<Box<Filesystem>>,
[INFO] [stdout]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(filesystem: Box<Filesystem>) -> Context {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:56:65
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn filesystem(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]    |                                                                 ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:23:57
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>>;
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:29:60
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>>;
[INFO] [stdout]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:68:65
[INFO] [stdout]    |
[INFO] [stdout] 68 |             fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs.rs:91:37
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn filesystem(&self) -> Box<Filesystem> {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs.rs:104:61
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn open_root(&self, _root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fs.rs:129:57
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/import.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn import(&mut self, &RpRequiredPackage) -> Result<Option<RpVersionedPackage>>;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &RpRequiredPackage`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn read(&self) -> Result<Box<Read>> {
[INFO] [stdout]    |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/source.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let out: Box<Read> = match *self {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/source.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn read(&self) -> Result<Box<Read>> {
[INFO] [stdout]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         <Self::Source as Flavor>::Package,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Package`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         <Self::Source as Flavor>::Type,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Type`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         <Self::Source as Flavor>::Field,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Field`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/translator.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         <Self::Source as Flavor>::Endpoint,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Endpoint`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn find_line<'a, R: AsMut<Read + 'a>>(
[INFO] [stdout]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn find_range<'a, R: AsMut<Read + 'a>, S: Into<Span>>(
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/errors.rs:131:55
[INFO] [stdout]     |
[INFO] [stdout] 131 |         static ENABLED: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/rp_package.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 mem::replace(p, keyword.to_string());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/rp_package.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             mem::replace(p, new_name);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "08dba6a20444e71e0a4d8edbca7cba866d31a7b4af9fae782d11504c66228127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dba6a20444e71e0a4d8edbca7cba866d31a7b4af9fae782d11504c66228127", kill_on_drop: false }`
[INFO] [stdout] 08dba6a20444e71e0a4d8edbca7cba866d31a7b4af9fae782d11504c66228127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d79d531558f00d6302a744e1de2316b6c25e0ed8e441e3a77633e6bb9c0a1d0f
[INFO] running `Command { std: "docker" "start" "-a" "d79d531558f00d6302a744e1de2316b6c25e0ed8e441e3a77633e6bb9c0a1d0f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unknown lint: `linkedlist`
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/rp_file.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[allow(linkedlist)]
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |     filesystem: Rc<Box<Filesystem>>,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(filesystem: Box<Filesystem>) -> Context {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:47:47
[INFO] [stderr]    |
[INFO] [stderr] 47 |         F: FnOnce(Rc<Box<Filesystem>>) -> Box<Filesystem>,
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:56:65
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn filesystem(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stderr]    |                                                                 ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:23:57
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>>;
[INFO] [stderr]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:29:60
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>>;
[INFO] [stderr]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:42:60
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn open_root(&self, root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stderr]    |                                                            ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:68:65
[INFO] [stderr]    |
[INFO] [stderr] 68 |             fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs.rs:91:37
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn filesystem(&self) -> Box<Filesystem> {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Filesystem`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fs.rs:104:61
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn open_root(&self, _root: Option<&Path>) -> Result<Box<Handle>> {
[INFO] [stderr]     |                                                             ^^^^^^ help: use `dyn`: `dyn Handle`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fs.rs:129:57
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn create(&self, path: &RelativePath) -> Result<Box<io::Write>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/import.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn import(&mut self, &RpRequiredPackage) -> Result<Option<RpVersionedPackage>>;
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &RpRequiredPackage`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn read(&self) -> Result<Box<Read>> {
[INFO] [stderr]    |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let out: Box<Read> = match *self {
[INFO] [stderr]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/source.rs:171:38
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn read(&self) -> Result<Box<Read>> {
[INFO] [stderr]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/translator.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         <Self::Source as Flavor>::Package,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Package`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/translator.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 |         <Self::Source as Flavor>::Type,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Type`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/translator.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |         <Self::Source as Flavor>::Field,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Field`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/translator.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         <Self::Source as Flavor>::Endpoint,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: <Self::Source as Flavor>::Endpoint`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:16:31
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn find_line<'a, R: AsMut<Read + 'a>>(
[INFO] [stderr]    |                               ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn find_range<'a, R: AsMut<Read + 'a>, S: Into<Span>>(
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/errors.rs:131:55
[INFO] [stderr]     |
[INFO] [stderr] 131 |         static ENABLED: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/rp_package.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 mem::replace(p, keyword.to_string());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/rp_package.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             mem::replace(p, new_name);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: `reproto-core` (lib) generated 26 warnings
[INFO] [stderr] warning: `reproto-core` (lib test) generated 26 warnings (26 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reproto_core-682698d4beca4af6)
[INFO] [stdout] test context::tests::test_handle ... ok
[INFO] [stdout] test rp_number::test_numbers::test_negative ... ok
[INFO] [stdout] test rp_number::test_numbers::test_number ... ok
[INFO] [stdout] test rp_number::test_numbers::test_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reproto-core
[INFO] [stderr] warning: unknown lint: `linkedlist`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/rp_file.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[allow(linkedlist)]
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d79d531558f00d6302a744e1de2316b6c25e0ed8e441e3a77633e6bb9c0a1d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79d531558f00d6302a744e1de2316b6c25e0ed8e441e3a77633e6bb9c0a1d0f", kill_on_drop: false }`
[INFO] [stdout] d79d531558f00d6302a744e1de2316b6c25e0ed8e441e3a77633e6bb9c0a1d0f
