[INFO] fetching crate studyhall 999999999.999999999.999999999...
[INFO] testing studyhall-999999999.999999999.999999999 against 1.59.0 for beta-1.60-1
[INFO] extracting crate studyhall 999999999.999999999.999999999 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate studyhall 999999999.999999999.999999999 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate studyhall 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate studyhall 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate studyhall 999999999.999999999.999999999 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate studyhall 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 840702d980cd52114a3d68ba25150d7621a7c21adca5da163a517eda0eb2fe9c
[INFO] running `Command { std: "docker" "start" "-a" "840702d980cd52114a3d68ba25150d7621a7c21adca5da163a517eda0eb2fe9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "840702d980cd52114a3d68ba25150d7621a7c21adca5da163a517eda0eb2fe9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840702d980cd52114a3d68ba25150d7621a7c21adca5da163a517eda0eb2fe9c", kill_on_drop: false }`
[INFO] [stdout] 840702d980cd52114a3d68ba25150d7621a7c21adca5da163a517eda0eb2fe9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11fb6af6d57e6ba2b9ff2edb02ea58519b37c7fc7c80bae450ccde3d9406c7fe
[INFO] running `Command { std: "docker" "start" "-a" "11fb6af6d57e6ba2b9ff2edb02ea58519b37c7fc7c80bae450ccde3d9406c7fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "11fb6af6d57e6ba2b9ff2edb02ea58519b37c7fc7c80bae450ccde3d9406c7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11fb6af6d57e6ba2b9ff2edb02ea58519b37c7fc7c80bae450ccde3d9406c7fe", kill_on_drop: false }`
[INFO] [stdout] 11fb6af6d57e6ba2b9ff2edb02ea58519b37c7fc7c80bae450ccde3d9406c7fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a16afe3a16d94082983c4a92acc13934145472f9a336749fd67660e50e87d2b
[INFO] running `Command { std: "docker" "start" "-a" "5a16afe3a16d94082983c4a92acc13934145472f9a336749fd67660e50e87d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling studyhall v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "5a16afe3a16d94082983c4a92acc13934145472f9a336749fd67660e50e87d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a16afe3a16d94082983c4a92acc13934145472f9a336749fd67660e50e87d2b", kill_on_drop: false }`
[INFO] [stdout] 5a16afe3a16d94082983c4a92acc13934145472f9a336749fd67660e50e87d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7ffbac00c428fb13bce5a21740fd869c28d57ae22b46d1774fb9bb427bc75dd
[INFO] running `Command { std: "docker" "start" "-a" "b7ffbac00c428fb13bce5a21740fd869c28d57ae22b46d1774fb9bb427bc75dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/studyhall-9763714aae6d308d)
[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" "b7ffbac00c428fb13bce5a21740fd869c28d57ae22b46d1774fb9bb427bc75dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ffbac00c428fb13bce5a21740fd869c28d57ae22b46d1774fb9bb427bc75dd", kill_on_drop: false }`
[INFO] [stdout] b7ffbac00c428fb13bce5a21740fd869c28d57ae22b46d1774fb9bb427bc75dd