[INFO] fetching crate warmth 0.2.0...
[INFO] testing warmth-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate warmth 0.2.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate warmth 0.2.0 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 warmth 0.2.0
[INFO] finished tweaking crates.io crate warmth 0.2.0
[INFO] tweaked toml for crates.io crate warmth 0.2.0 written to /workspace/builds/worker-108/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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 337711e5dce74115d0044c4d067a3ee140434f0b0256e035e0ecb17cfc9adb02
[INFO] running `Command { std: "docker" "start" "-a" "337711e5dce74115d0044c4d067a3ee140434f0b0256e035e0ecb17cfc9adb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "337711e5dce74115d0044c4d067a3ee140434f0b0256e035e0ecb17cfc9adb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337711e5dce74115d0044c4d067a3ee140434f0b0256e035e0ecb17cfc9adb02", kill_on_drop: false }`
[INFO] [stdout] 337711e5dce74115d0044c4d067a3ee140434f0b0256e035e0ecb17cfc9adb02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 008b184aba02c64aa1d32af2444c7bc6938cfecdda62135de375999ecb57fbb1
[INFO] running `Command { std: "docker" "start" "-a" "008b184aba02c64aa1d32af2444c7bc6938cfecdda62135de375999ecb57fbb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling booties v0.1.1
[INFO] [stderr]    Compiling snowgoggles v0.1.1
[INFO] [stderr]    Compiling parka v0.1.0
[INFO] [stderr]    Compiling earmuffs v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling fluff v0.1.1
[INFO] [stderr]    Compiling warmth v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "008b184aba02c64aa1d32af2444c7bc6938cfecdda62135de375999ecb57fbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008b184aba02c64aa1d32af2444c7bc6938cfecdda62135de375999ecb57fbb1", kill_on_drop: false }`
[INFO] [stdout] 008b184aba02c64aa1d32af2444c7bc6938cfecdda62135de375999ecb57fbb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] b37d7a623e68a485fbdb4f4528840962f2faae170d3edc57794b274679efe105
[INFO] running `Command { std: "docker" "start" "-a" "b37d7a623e68a485fbdb4f4528840962f2faae170d3edc57794b274679efe105", kill_on_drop: false }`
[INFO] [stderr]    Compiling warmth v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "b37d7a623e68a485fbdb4f4528840962f2faae170d3edc57794b274679efe105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37d7a623e68a485fbdb4f4528840962f2faae170d3edc57794b274679efe105", kill_on_drop: false }`
[INFO] [stdout] b37d7a623e68a485fbdb4f4528840962f2faae170d3edc57794b274679efe105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 23e0fdd80a20ce6632b9c0028d3b08e63a4324d781e576116269884d28890d9b
[INFO] running `Command { std: "docker" "start" "-a" "23e0fdd80a20ce6632b9c0028d3b08e63a4324d781e576116269884d28890d9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/warmth-e408fbe231fe1456)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests warmth
[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" "23e0fdd80a20ce6632b9c0028d3b08e63a4324d781e576116269884d28890d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e0fdd80a20ce6632b9c0028d3b08e63a4324d781e576116269884d28890d9b", kill_on_drop: false }`
[INFO] [stdout] 23e0fdd80a20ce6632b9c0028d3b08e63a4324d781e576116269884d28890d9b