[INFO] fetching crate caesarlib 0.2.0...
[INFO] building caesarlib-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate caesarlib 0.2.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate caesarlib 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 caesarlib 0.2.0
[INFO] finished tweaking crates.io crate caesarlib 0.2.0
[INFO] tweaked toml for crates.io crate caesarlib 0.2.0 written to /workspace/builds/worker-57/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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 26043a1e8bd6654f888010e0d275ed8ce9595361e29d7028b6d824a47c4e52e3
[INFO] running `Command { std: "docker" "start" "-a" "26043a1e8bd6654f888010e0d275ed8ce9595361e29d7028b6d824a47c4e52e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26043a1e8bd6654f888010e0d275ed8ce9595361e29d7028b6d824a47c4e52e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26043a1e8bd6654f888010e0d275ed8ce9595361e29d7028b6d824a47c4e52e3", kill_on_drop: false }`
[INFO] [stdout] 26043a1e8bd6654f888010e0d275ed8ce9595361e29d7028b6d824a47c4e52e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 7d1cf0685cb1457c8c7cb20bff164c9ea0e40a33b7d7b15e89d65763b9c91991
[INFO] running `Command { std: "docker" "start" "-a" "7d1cf0685cb1457c8c7cb20bff164c9ea0e40a33b7d7b15e89d65763b9c91991", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling caesarlib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.38s
[INFO] running `Command { std: "docker" "inspect" "7d1cf0685cb1457c8c7cb20bff164c9ea0e40a33b7d7b15e89d65763b9c91991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1cf0685cb1457c8c7cb20bff164c9ea0e40a33b7d7b15e89d65763b9c91991", kill_on_drop: false }`
[INFO] [stdout] 7d1cf0685cb1457c8c7cb20bff164c9ea0e40a33b7d7b15e89d65763b9c91991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] aa4bc4f608ecf1e5458a7968b93c58164bf3b7f7dc6f8dd540aa225e46ff25aa
[INFO] running `Command { std: "docker" "start" "-a" "aa4bc4f608ecf1e5458a7968b93c58164bf3b7f7dc6f8dd540aa225e46ff25aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling caesarlib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "aa4bc4f608ecf1e5458a7968b93c58164bf3b7f7dc6f8dd540aa225e46ff25aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4bc4f608ecf1e5458a7968b93c58164bf3b7f7dc6f8dd540aa225e46ff25aa", kill_on_drop: false }`
[INFO] [stdout] aa4bc4f608ecf1e5458a7968b93c58164bf3b7f7dc6f8dd540aa225e46ff25aa