[INFO] fetching crate cosey 0.3.0...
[INFO] testing cosey-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cosey 0.3.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate cosey 0.3.0 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 cosey 0.3.0
[INFO] finished tweaking crates.io crate cosey 0.3.0
[INFO] tweaked toml for crates.io crate cosey 0.3.0 written to /workspace/builds/worker-84/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] f3c04adb292720ad7f671403f4f209b7ff16e6a58e4c50fc8a7b9eb2475947ec
[INFO] running `Command { std: "docker" "start" "-a" "f3c04adb292720ad7f671403f4f209b7ff16e6a58e4c50fc8a7b9eb2475947ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c04adb292720ad7f671403f4f209b7ff16e6a58e4c50fc8a7b9eb2475947ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c04adb292720ad7f671403f4f209b7ff16e6a58e4c50fc8a7b9eb2475947ec", kill_on_drop: false }`
[INFO] [stdout] f3c04adb292720ad7f671403f4f209b7ff16e6a58e4c50fc8a7b9eb2475947ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] f1bbeeead337c74731f1fa65c57ce91064d863079dd04e790a373f200106d803
[INFO] running `Command { std: "docker" "start" "-a" "f1bbeeead337c74731f1fa65c57ce91064d863079dd04e790a373f200106d803", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling heapless-bytes v0.3.0
[INFO] [stderr]    Compiling cosey v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.39s
[INFO] running `Command { std: "docker" "inspect" "f1bbeeead337c74731f1fa65c57ce91064d863079dd04e790a373f200106d803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bbeeead337c74731f1fa65c57ce91064d863079dd04e790a373f200106d803", kill_on_drop: false }`
[INFO] [stdout] f1bbeeead337c74731f1fa65c57ce91064d863079dd04e790a373f200106d803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] [stdout] 57332a216885119a98bd50256a1cf6d9bcee7a6e4ffb248e061366e42d75a5a1
[INFO] running `Command { std: "docker" "start" "-a" "57332a216885119a98bd50256a1cf6d9bcee7a6e4ffb248e061366e42d75a5a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cosey v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "57332a216885119a98bd50256a1cf6d9bcee7a6e4ffb248e061366e42d75a5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57332a216885119a98bd50256a1cf6d9bcee7a6e4ffb248e061366e42d75a5a1", kill_on_drop: false }`
[INFO] [stdout] 57332a216885119a98bd50256a1cf6d9bcee7a6e4ffb248e061366e42d75a5a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 404e799798b3358a786a01d9492baac41ccaf1709543bb77f4b6938bad2031b4
[INFO] running `Command { std: "docker" "start" "-a" "404e799798b3358a786a01d9492baac41ccaf1709543bb77f4b6938bad2031b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cosey-402fb3fc1a41aafa)
[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] [stderr]    Doc-tests cosey
[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" "404e799798b3358a786a01d9492baac41ccaf1709543bb77f4b6938bad2031b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404e799798b3358a786a01d9492baac41ccaf1709543bb77f4b6938bad2031b4", kill_on_drop: false }`
[INFO] [stdout] 404e799798b3358a786a01d9492baac41ccaf1709543bb77f4b6938bad2031b4