[INFO] fetching crate mixer 0.1.0...
[INFO] testing mixer-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mixer 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mixer 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 mixer 0.1.0
[INFO] finished tweaking crates.io crate mixer 0.1.0
[INFO] tweaked toml for crates.io crate mixer 0.1.0 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c1d29102a13deb05753a5aaa9f44f9190ee6d473e3eb85a3525882fa9aa1e83b
[INFO] running `Command { std: "docker" "start" "-a" "c1d29102a13deb05753a5aaa9f44f9190ee6d473e3eb85a3525882fa9aa1e83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1d29102a13deb05753a5aaa9f44f9190ee6d473e3eb85a3525882fa9aa1e83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d29102a13deb05753a5aaa9f44f9190ee6d473e3eb85a3525882fa9aa1e83b", kill_on_drop: false }`
[INFO] [stdout] c1d29102a13deb05753a5aaa9f44f9190ee6d473e3eb85a3525882fa9aa1e83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 65a10e01a8b7dbb8ec8333c3f4bab593416ee99afa6c01cc4c3067fb7112ba5e
[INFO] running `Command { std: "docker" "start" "-a" "65a10e01a8b7dbb8ec8333c3f4bab593416ee99afa6c01cc4c3067fb7112ba5e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mixer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "65a10e01a8b7dbb8ec8333c3f4bab593416ee99afa6c01cc4c3067fb7112ba5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a10e01a8b7dbb8ec8333c3f4bab593416ee99afa6c01cc4c3067fb7112ba5e", kill_on_drop: false }`
[INFO] [stdout] 65a10e01a8b7dbb8ec8333c3f4bab593416ee99afa6c01cc4c3067fb7112ba5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 35ee87454a2dc9994f44e2e4098e031ea1446e53c1fd0916e93259ac5a7727bb
[INFO] running `Command { std: "docker" "start" "-a" "35ee87454a2dc9994f44e2e4098e031ea1446e53c1fd0916e93259ac5a7727bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mixer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "35ee87454a2dc9994f44e2e4098e031ea1446e53c1fd0916e93259ac5a7727bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ee87454a2dc9994f44e2e4098e031ea1446e53c1fd0916e93259ac5a7727bb", kill_on_drop: false }`
[INFO] [stdout] 35ee87454a2dc9994f44e2e4098e031ea1446e53c1fd0916e93259ac5a7727bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8db61e1f385d6234c2f5b8a528c01ec3c7c28f220cd42850ce117d13d0878942
[INFO] running `Command { std: "docker" "start" "-a" "8db61e1f385d6234c2f5b8a528c01ec3c7c28f220cd42850ce117d13d0878942", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mixer-46eb747c13862877)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mixer
[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" "8db61e1f385d6234c2f5b8a528c01ec3c7c28f220cd42850ce117d13d0878942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db61e1f385d6234c2f5b8a528c01ec3c7c28f220cd42850ce117d13d0878942", kill_on_drop: false }`
[INFO] [stdout] 8db61e1f385d6234c2f5b8a528c01ec3c7c28f220cd42850ce117d13d0878942