[INFO] fetching crate vx 0.0.0...
[INFO] testing vx-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vx 0.0.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate vx 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vx 0.0.0
[INFO] finished tweaking crates.io crate vx 0.0.0
[INFO] tweaked toml for crates.io crate vx 0.0.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5c2b10b65189911ee789e4bf2a297c10c59830fe45663ea90547c5c695e4d59
[INFO] running `Command { std: "docker" "start" "-a" "b5c2b10b65189911ee789e4bf2a297c10c59830fe45663ea90547c5c695e4d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5c2b10b65189911ee789e4bf2a297c10c59830fe45663ea90547c5c695e4d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c2b10b65189911ee789e4bf2a297c10c59830fe45663ea90547c5c695e4d59", kill_on_drop: false }`
[INFO] [stdout] b5c2b10b65189911ee789e4bf2a297c10c59830fe45663ea90547c5c695e4d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10d2cb2cac96843221e1d90babc0edc0dcf868e424da6f23f97ad026774a9ff8
[INFO] running `Command { std: "docker" "start" "-a" "10d2cb2cac96843221e1d90babc0edc0dcf868e424da6f23f97ad026774a9ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling vx v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "10d2cb2cac96843221e1d90babc0edc0dcf868e424da6f23f97ad026774a9ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d2cb2cac96843221e1d90babc0edc0dcf868e424da6f23f97ad026774a9ff8", kill_on_drop: false }`
[INFO] [stdout] 10d2cb2cac96843221e1d90babc0edc0dcf868e424da6f23f97ad026774a9ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846f1d677f73a5aaeaded1f225b8ca5fbaa2e0f9c08fb6810712f633bee6f996
[INFO] running `Command { std: "docker" "start" "-a" "846f1d677f73a5aaeaded1f225b8ca5fbaa2e0f9c08fb6810712f633bee6f996", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vx v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "846f1d677f73a5aaeaded1f225b8ca5fbaa2e0f9c08fb6810712f633bee6f996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846f1d677f73a5aaeaded1f225b8ca5fbaa2e0f9c08fb6810712f633bee6f996", kill_on_drop: false }`
[INFO] [stdout] 846f1d677f73a5aaeaded1f225b8ca5fbaa2e0f9c08fb6810712f633bee6f996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 919ddcb1b01ed9c811e82889368654d4589ad71ae6ed6f1d9eaa6db5e808b54e
[INFO] running `Command { std: "docker" "start" "-a" "919ddcb1b01ed9c811e82889368654d4589ad71ae6ed6f1d9eaa6db5e808b54e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vx-06f0c0c9e4833c4e)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests vx
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "919ddcb1b01ed9c811e82889368654d4589ad71ae6ed6f1d9eaa6db5e808b54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919ddcb1b01ed9c811e82889368654d4589ad71ae6ed6f1d9eaa6db5e808b54e", kill_on_drop: false }`
[INFO] [stdout] 919ddcb1b01ed9c811e82889368654d4589ad71ae6ed6f1d9eaa6db5e808b54e