[INFO] fetching crate auxtools-impl 0.1.0...
[INFO] testing auxtools-impl-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate auxtools-impl 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate auxtools-impl 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auxtools-impl 0.1.0
[INFO] finished tweaking crates.io crate auxtools-impl 0.1.0
[INFO] tweaked toml for crates.io crate auxtools-impl 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc26d0a3f6537bf3eedcb4b8fbe1acaaa2fb86cd2e1000da667c885f834eae1b
[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" "dc26d0a3f6537bf3eedcb4b8fbe1acaaa2fb86cd2e1000da667c885f834eae1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc26d0a3f6537bf3eedcb4b8fbe1acaaa2fb86cd2e1000da667c885f834eae1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc26d0a3f6537bf3eedcb4b8fbe1acaaa2fb86cd2e1000da667c885f834eae1b", kill_on_drop: false }`
[INFO] [stdout] dc26d0a3f6537bf3eedcb4b8fbe1acaaa2fb86cd2e1000da667c885f834eae1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8561ccf83886d1b2913829e8ed7e82e6dfe4707de04620d7cfee4a6ee7fd46f1
[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" "8561ccf83886d1b2913829e8ed7e82e6dfe4707de04620d7cfee4a6ee7fd46f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling auxtools-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FnArg`
[INFO] [stdout]  --> src/lib.rs:5:53
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{parse_macro_input, spanned::Spanned, Lit, FnArg};
[INFO] [stdout]   |                                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.46s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8561ccf83886d1b2913829e8ed7e82e6dfe4707de04620d7cfee4a6ee7fd46f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8561ccf83886d1b2913829e8ed7e82e6dfe4707de04620d7cfee4a6ee7fd46f1", kill_on_drop: false }`
[INFO] [stdout] 8561ccf83886d1b2913829e8ed7e82e6dfe4707de04620d7cfee4a6ee7fd46f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 335f8565a584ee937384f580cb67acd404f508ecd8a48e20c8d42b3926ccfb29
[INFO] running `Command { std: "docker" "start" "-a" "335f8565a584ee937384f580cb67acd404f508ecd8a48e20c8d42b3926ccfb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling auxtools-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FnArg`
[INFO] [stdout]  --> src/lib.rs:5:53
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{parse_macro_input, spanned::Spanned, Lit, FnArg};
[INFO] [stdout]   |                                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FnArg`
[INFO] [stdout]  --> src/lib.rs:5:53
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{parse_macro_input, spanned::Spanned, Lit, FnArg};
[INFO] [stdout]   |                                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "335f8565a584ee937384f580cb67acd404f508ecd8a48e20c8d42b3926ccfb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335f8565a584ee937384f580cb67acd404f508ecd8a48e20c8d42b3926ccfb29", kill_on_drop: false }`
[INFO] [stdout] 335f8565a584ee937384f580cb67acd404f508ecd8a48e20c8d42b3926ccfb29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5251462397fb6d0a0d20d5f1ab3b0e64f238aa084b4662c1b474fc7375c862dc
[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" "5251462397fb6d0a0d20d5f1ab3b0e64f238aa084b4662c1b474fc7375c862dc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `FnArg`
[INFO] [stderr]  --> src/lib.rs:5:53
[INFO] [stderr]   |
[INFO] [stderr] 5 | use syn::{parse_macro_input, spanned::Spanned, Lit, FnArg};
[INFO] [stderr]   |                                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `auxtools-impl` (lib) generated 1 warning
[INFO] [stderr] warning: `auxtools-impl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/auxtools_impl-a88fe18e67ae04dc)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests auxtools-impl
[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 2 tests
[INFO] [stdout] test src/lib.rs - hook (line 139) ... ignored
[INFO] [stdout] test src/lib.rs - hook (line 152) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5251462397fb6d0a0d20d5f1ab3b0e64f238aa084b4662c1b474fc7375c862dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5251462397fb6d0a0d20d5f1ab3b0e64f238aa084b4662c1b474fc7375c862dc", kill_on_drop: false }`
[INFO] [stdout] 5251462397fb6d0a0d20d5f1ab3b0e64f238aa084b4662c1b474fc7375c862dc