[INFO] fetching crate furnace 0.3.0...
[INFO] testing furnace-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate furnace 0.3.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate furnace 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 furnace 0.3.0
[INFO] finished tweaking crates.io crate furnace 0.3.0
[INFO] tweaked toml for crates.io crate furnace 0.3.0 written to /workspace/builds/worker-83/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] e9c605e0417ba14e8a073c234817ce72a61026119572a54be4d455c0095a7435
[INFO] running `Command { std: "docker" "start" "-a" "e9c605e0417ba14e8a073c234817ce72a61026119572a54be4d455c0095a7435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c605e0417ba14e8a073c234817ce72a61026119572a54be4d455c0095a7435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c605e0417ba14e8a073c234817ce72a61026119572a54be4d455c0095a7435", kill_on_drop: false }`
[INFO] [stdout] e9c605e0417ba14e8a073c234817ce72a61026119572a54be4d455c0095a7435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] e5e5d42d7834e31dbb26cc635ae9d8e496161e28bfe066a0985770e5f3f552f9
[INFO] running `Command { std: "docker" "start" "-a" "e5e5d42d7834e31dbb26cc635ae9d8e496161e28bfe066a0985770e5f3f552f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling furnace v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "e5e5d42d7834e31dbb26cc635ae9d8e496161e28bfe066a0985770e5f3f552f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e5d42d7834e31dbb26cc635ae9d8e496161e28bfe066a0985770e5f3f552f9", kill_on_drop: false }`
[INFO] [stdout] e5e5d42d7834e31dbb26cc635ae9d8e496161e28bfe066a0985770e5f3f552f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 6edcbe9c9ac97a3029d39e47a2ea18489dee2c5dd87e4e735d71d508099eba09
[INFO] running `Command { std: "docker" "start" "-a" "6edcbe9c9ac97a3029d39e47a2ea18489dee2c5dd87e4e735d71d508099eba09", kill_on_drop: false }`
[INFO] [stderr]    Compiling furnace v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6edcbe9c9ac97a3029d39e47a2ea18489dee2c5dd87e4e735d71d508099eba09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edcbe9c9ac97a3029d39e47a2ea18489dee2c5dd87e4e735d71d508099eba09", kill_on_drop: false }`
[INFO] [stdout] 6edcbe9c9ac97a3029d39e47a2ea18489dee2c5dd87e4e735d71d508099eba09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] ce68a3cc9169e482f86ef9641a5d6a6b586b31090cb238aa2509454872168458
[INFO] running `Command { std: "docker" "start" "-a" "ce68a3cc9169e482f86ef9641a5d6a6b586b31090cb238aa2509454872168458", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/furnace-ef649bae3d25808e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests furnace
[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" "ce68a3cc9169e482f86ef9641a5d6a6b586b31090cb238aa2509454872168458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce68a3cc9169e482f86ef9641a5d6a6b586b31090cb238aa2509454872168458", kill_on_drop: false }`
[INFO] [stdout] ce68a3cc9169e482f86ef9641a5d6a6b586b31090cb238aa2509454872168458