[INFO] crate reproto-core 0.3.36 is already in cache
[INFO] checking reproto-core-0.3.36 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate reproto-core 0.3.36 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate reproto-core 0.3.36 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b8aa535acdc8292757a2199f1a1a0ce058ab5aebdb47c51d3cf42add52b6dbf
[INFO] running `"docker" "start" "-a" "9b8aa535acdc8292757a2199f1a1a0ce058ab5aebdb47c51d3cf42add52b6dbf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking ropey v0.6.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde_test v1.0.110
[INFO] [stderr]     Checking reproto-semver v0.3.36
[INFO] [stderr]     Checking relative-path v0.3.7
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking reproto-core v0.3.36 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `linkedlist`
[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: unknown lint: `linkedlist`
[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] 
[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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/errors.rs:131:47
[INFO] [stderr]     |
[INFO] [stderr] 131 |         static ENABLED: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` 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] 
[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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/errors.rs:131:47
[INFO] [stderr]     |
[INFO] [stderr] 131 |         static ENABLED: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `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: 21 warnings emitted
[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: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "9b8aa535acdc8292757a2199f1a1a0ce058ab5aebdb47c51d3cf42add52b6dbf"`
[INFO] running `"docker" "rm" "-f" "9b8aa535acdc8292757a2199f1a1a0ce058ab5aebdb47c51d3cf42add52b6dbf"`
[INFO] [stdout] 9b8aa535acdc8292757a2199f1a1a0ce058ab5aebdb47c51d3cf42add52b6dbf