[INFO] fetching crate easy-ext 1.0.0...
[INFO] checking easy-ext-1.0.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate easy-ext 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate easy-ext 1.0.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easy-ext 1.0.0
[INFO] finished tweaking crates.io crate easy-ext 1.0.0
[INFO] tweaked toml for crates.io crate easy-ext 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77109717586acd3743ff13566f48631af3d344e63d75c9204eb477d850c56b1d
[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" "77109717586acd3743ff13566f48631af3d344e63d75c9204eb477d850c56b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77109717586acd3743ff13566f48631af3d344e63d75c9204eb477d850c56b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77109717586acd3743ff13566f48631af3d344e63d75c9204eb477d850c56b1d", kill_on_drop: false }`
[INFO] [stdout] 77109717586acd3743ff13566f48631af3d344e63d75c9204eb477d850c56b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06ce8e6a6a2eb47b3ae0af72350bff24dacbd69f12e431ffe663347d2987b7a4
[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" "06ce8e6a6a2eb47b3ae0af72350bff24dacbd69f12e431ffe663347d2987b7a4", kill_on_drop: false }`
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling easy-ext v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking trybuild v1.0.52
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> tests/test.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |         #[inline]
[INFO] [stdout]     |         ^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> tests/test.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |         #[inline]
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> tests/test.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         #[inline(always)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> tests/test.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         #[inline(always)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> tests/test.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         #[inline(never)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout]     |
[INFO] [stdout] note: attribute also specified here
[INFO] [stdout]    --> tests/test.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         #[inline(never)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.04s
[INFO] running `Command { std: "docker" "inspect" "06ce8e6a6a2eb47b3ae0af72350bff24dacbd69f12e431ffe663347d2987b7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ce8e6a6a2eb47b3ae0af72350bff24dacbd69f12e431ffe663347d2987b7a4", kill_on_drop: false }`
[INFO] [stdout] 06ce8e6a6a2eb47b3ae0af72350bff24dacbd69f12e431ffe663347d2987b7a4