[INFO] fetching crate anewer 0.1.5...
[INFO] testing anewer-0.1.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate anewer 0.1.5 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate anewer 0.1.5 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 anewer 0.1.5
[INFO] finished tweaking crates.io crate anewer 0.1.5
[INFO] tweaked toml for crates.io crate anewer 0.1.5 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate anewer 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] a2cf23b2661dd6017abd209141664e40024209f78ce0d45a09a473306d617f29
[INFO] running `Command { std: "docker" "start" "-a" "a2cf23b2661dd6017abd209141664e40024209f78ce0d45a09a473306d617f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2cf23b2661dd6017abd209141664e40024209f78ce0d45a09a473306d617f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cf23b2661dd6017abd209141664e40024209f78ce0d45a09a473306d617f29", kill_on_drop: false }`
[INFO] [stdout] a2cf23b2661dd6017abd209141664e40024209f78ce0d45a09a473306d617f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] a2cc5301b9cd18e1bf3bec02320ab9410ed0b7cdd952feb444b99ca38a046f1b
[INFO] running `Command { std: "docker" "start" "-a" "a2cc5301b9cd18e1bf3bec02320ab9410ed0b7cdd952feb444b99ca38a046f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling ahash v0.5.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling anewer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `Command { std: "docker" "inspect" "a2cc5301b9cd18e1bf3bec02320ab9410ed0b7cdd952feb444b99ca38a046f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cc5301b9cd18e1bf3bec02320ab9410ed0b7cdd952feb444b99ca38a046f1b", kill_on_drop: false }`
[INFO] [stdout] a2cc5301b9cd18e1bf3bec02320ab9410ed0b7cdd952feb444b99ca38a046f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 6d45989053242eded898472e422c7d1fe3ffd53e91ab4882da707b6183c07f56
[INFO] running `Command { std: "docker" "start" "-a" "6d45989053242eded898472e422c7d1fe3ffd53e91ab4882da707b6183c07f56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "6d45989053242eded898472e422c7d1fe3ffd53e91ab4882da707b6183c07f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d45989053242eded898472e422c7d1fe3ffd53e91ab4882da707b6183c07f56", kill_on_drop: false }`
[INFO] [stdout] 6d45989053242eded898472e422c7d1fe3ffd53e91ab4882da707b6183c07f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 9f2fcce394134726f6acb4b043238713c6e220cdc8145705cf00550e76b7fc81
[INFO] running `Command { std: "docker" "start" "-a" "9f2fcce394134726f6acb4b043238713c6e220cdc8145705cf00550e76b7fc81", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "9f2fcce394134726f6acb4b043238713c6e220cdc8145705cf00550e76b7fc81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2fcce394134726f6acb4b043238713c6e220cdc8145705cf00550e76b7fc81", kill_on_drop: false }`
[INFO] [stdout] 9f2fcce394134726f6acb4b043238713c6e220cdc8145705cf00550e76b7fc81