[INFO] fetching crate simple-canvas 0.1.1...
[INFO] testing simple-canvas-0.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate simple-canvas 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate simple-canvas 0.1.1
[INFO] finished tweaking crates.io crate simple-canvas 0.1.1
[INFO] tweaked toml for crates.io crate simple-canvas 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-canvas 0.1.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86fac04a756e3c948e0926a471fab5fb4f440faed10b9e66db1a4936090a973a
[INFO] running `Command { std: "docker" "start" "-a" "86fac04a756e3c948e0926a471fab5fb4f440faed10b9e66db1a4936090a973a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86fac04a756e3c948e0926a471fab5fb4f440faed10b9e66db1a4936090a973a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86fac04a756e3c948e0926a471fab5fb4f440faed10b9e66db1a4936090a973a", kill_on_drop: false }`
[INFO] [stdout] 86fac04a756e3c948e0926a471fab5fb4f440faed10b9e66db1a4936090a973a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9620f091e7940fd77cc67732b46451426c7f33552472dd4fe3c25fbf48eeca5
[INFO] running `Command { std: "docker" "start" "-a" "d9620f091e7940fd77cc67732b46451426c7f33552472dd4fe3c25fbf48eeca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-canvas v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn iter(&self) -> core::slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn iter(&self) -> core::slice::Iter<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "d9620f091e7940fd77cc67732b46451426c7f33552472dd4fe3c25fbf48eeca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9620f091e7940fd77cc67732b46451426c7f33552472dd4fe3c25fbf48eeca5", kill_on_drop: false }`
[INFO] [stdout] d9620f091e7940fd77cc67732b46451426c7f33552472dd4fe3c25fbf48eeca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81fdf13a6dbb9af1d883bc37f2d2cee4294a93b207dc0df28cd0115b4be132e9
[INFO] running `Command { std: "docker" "start" "-a" "81fdf13a6dbb9af1d883bc37f2d2cee4294a93b207dc0df28cd0115b4be132e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-canvas v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn iter(&self) -> core::slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn iter(&self) -> core::slice::Iter<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn iter(&self) -> core::slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn iter(&self) -> core::slice::Iter<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, T> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "81fdf13a6dbb9af1d883bc37f2d2cee4294a93b207dc0df28cd0115b4be132e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fdf13a6dbb9af1d883bc37f2d2cee4294a93b207dc0df28cd0115b4be132e9", kill_on_drop: false }`
[INFO] [stdout] 81fdf13a6dbb9af1d883bc37f2d2cee4294a93b207dc0df28cd0115b4be132e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae499348f26f2d47c3eebd23dba5cd8368b947a4b213e2ba0ef3772f980b7ee1
[INFO] running `Command { std: "docker" "start" "-a" "ae499348f26f2d47c3eebd23dba5cd8368b947a4b213e2ba0ef3772f980b7ee1", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn iter(&self) -> core::slice::Iter<T> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn iter(&self) -> core::slice::Iter<'_, T> {
[INFO] [stderr]    |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, T> {
[INFO] [stderr]    |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-canvas` (lib) generated 2 warnings (run `cargo fix --lib -p simple-canvas` to apply 2 suggestions)
[INFO] [stderr] warning: `simple-canvas` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_canvas-7cfa326d07ac8e0c)
[INFO] [stderr]    Doc-tests simple_canvas
[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] [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" "ae499348f26f2d47c3eebd23dba5cd8368b947a4b213e2ba0ef3772f980b7ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae499348f26f2d47c3eebd23dba5cd8368b947a4b213e2ba0ef3772f980b7ee1", kill_on_drop: false }`
[INFO] [stdout] ae499348f26f2d47c3eebd23dba5cd8368b947a4b213e2ba0ef3772f980b7ee1
