[INFO] fetching crate expectation 0.1.1...
[INFO] checking expectation-0.1.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate expectation 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate expectation 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate expectation 0.1.1
[INFO] finished tweaking crates.io crate expectation 0.1.1
[INFO] tweaked toml for crates.io crate expectation 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d776e22c1df3c954056d9fe51acbc7c9348f5c819b039e0a9cd0eadc2bdcc67e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d776e22c1df3c954056d9fe51acbc7c9348f5c819b039e0a9cd0eadc2bdcc67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d776e22c1df3c954056d9fe51acbc7c9348f5c819b039e0a9cd0eadc2bdcc67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d776e22c1df3c954056d9fe51acbc7c9348f5c819b039e0a9cd0eadc2bdcc67e", kill_on_drop: false }`
[INFO] [stdout] d776e22c1df3c954056d9fe51acbc7c9348f5c819b039e0a9cd0eadc2bdcc67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6fff709fd65b4e28be8bc2dce791c083ae05439003a1d2befe37dfe5c8a4d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f6fff709fd65b4e28be8bc2dce791c083ae05439003a1d2befe37dfe5c8a4d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking expectation-shared v0.1.0
[INFO] [stderr]     Checking expectation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/provider.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub(crate) fs: Box<FileSystem>,
[INFO] [stdout]   |                        ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Fn: for<'a> FnMut(&'a mut Write) -> IoResult<()>,
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Box<for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Box<for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>>,
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:27:50
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Box<for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>>,
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/provider.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub(crate) fs: Box<FileSystem>,
[INFO] [stdout]   |                        ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Fn: for<'a> FnMut(&'a mut Write) -> IoResult<()>,
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Box<for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Box<for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>>,
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:27:50
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Box<for<'a> Fn(&'a mut ReadSeek, &'a mut ReadSeek) -> IoResult<bool>>,
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | /             for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout] 30 | |                 -> IoResult<()>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |             dyn for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout] 30 |                 -> IoResult<()>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |             for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:29:50
[INFO] [stdout]    |
[INFO] [stdout] 29 |             for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(crate) root_fs: Box<FileSystem>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(crate) fs: Box<FileSystem>,
[INFO] [stdout]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |     filesystem: Box<FileSystem>,
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn new(filesystem: Box<FileSystem>, path: PathBuf) -> Self {
[INFO] [stdout]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:80:36
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub(crate) fn new(root_fs: Box<FileSystem>, fs: Box<FileSystem>) -> Provider {
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub(crate) fn new(root_fs: Box<FileSystem>, fs: Box<FileSystem>) -> Provider {
[INFO] [stdout]    |                                                         ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                               ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:122:51
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:122:52
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                               ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:123:51
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:123:52
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | /             for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout] 30 | |                 -> IoResult<()>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |             dyn for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout] 30 |                 -> IoResult<()>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |             for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:29:50
[INFO] [stdout]    |
[INFO] [stdout] 29 |             for<'b> Fn(&'b mut ReadSeek, &'b mut ReadSeek, &'b Path, &'b mut WriteRequester)
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(crate) root_fs: Box<FileSystem>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(crate) fs: Box<FileSystem>,
[INFO] [stdout]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |     filesystem: Box<FileSystem>,
[INFO] [stdout]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn new(filesystem: Box<FileSystem>, path: PathBuf) -> Self {
[INFO] [stdout]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:80:36
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub(crate) fn new(root_fs: Box<FileSystem>, fs: Box<FileSystem>) -> Provider {
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/provider.rs:80:57
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub(crate) fn new(root_fs: Box<FileSystem>, fs: Box<FileSystem>) -> Provider {
[INFO] [stdout]    |                                                         ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                               ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:122:51
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:122:52
[INFO] [stdout]     |
[INFO] [stdout] 122 |         C: for<'a> Fn(&'a mut (ReadSeek), &'a mut (ReadSeek)) -> IoResult<bool> + 'static,
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                               ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/provider.rs:123:51
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:123:52
[INFO] [stdout]     |
[INFO] [stdout] 123 |         D: for<'b> Fn(&'b mut (ReadSeek), &'b mut (ReadSeek), &'b Path, &'b mut WriteRequester) -> IoResult<()>
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/provider.rs:141:61
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let filesystem = Box::new(FakeFileSystem::new()) as Box<FileSystem>;
[INFO] [stdout]     |                                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fs: Box<FileSystem>,
[INFO] [stdout]     |             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fs: Box<FileSystem>,
[INFO] [stdout]     |             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]   --> src/lib.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let name = name.trim_left_matches("expectation_test_");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]   --> src/lib.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let name = name.trim_left_matches("expectation_test_");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 writeln!(w, "image formats are different");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 writeln!(w, "actual:   RGB8");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 writeln!(w, "expected: RGBA8 (Alpha)");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 writeln!(w, "image formats are different");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 writeln!(w, "actual:   RGBA8 (Alpha)");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 writeln!(w, "expected: RGB8");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 writeln!(w, "image formats are different");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 writeln!(w, "actual:   RGB8");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 writeln!(w, "expected: RGBA8 (Alpha)");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 writeln!(w, "image formats are different");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 writeln!(w, "actual:   RGBA8 (Alpha)");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/extensions/image.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 writeln!(w, "expected: RGB8");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.16s
[INFO] running `Command { std: "docker" "inspect" "8f6fff709fd65b4e28be8bc2dce791c083ae05439003a1d2befe37dfe5c8a4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6fff709fd65b4e28be8bc2dce791c083ae05439003a1d2befe37dfe5c8a4d8", kill_on_drop: false }`
[INFO] [stdout] 8f6fff709fd65b4e28be8bc2dce791c083ae05439003a1d2befe37dfe5c8a4d8
