[INFO] fetching crate mathlab 0.1.1...
[INFO] testing mathlab-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mathlab 0.1.1 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate mathlab 0.1.1 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 mathlab 0.1.1
[INFO] finished tweaking crates.io crate mathlab 0.1.1
[INFO] tweaked toml for crates.io crate mathlab 0.1.1 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate crates.io crate mathlab 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 8d1acb68f1603cd042e8edb3f0e24d2c1938f67a37297ab4ecd2df6cbadcc503
[INFO] running `Command { std: "docker" "start" "-a" "8d1acb68f1603cd042e8edb3f0e24d2c1938f67a37297ab4ecd2df6cbadcc503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d1acb68f1603cd042e8edb3f0e24d2c1938f67a37297ab4ecd2df6cbadcc503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1acb68f1603cd042e8edb3f0e24d2c1938f67a37297ab4ecd2df6cbadcc503", kill_on_drop: false }`
[INFO] [stdout] 8d1acb68f1603cd042e8edb3f0e24d2c1938f67a37297ab4ecd2df6cbadcc503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] e96a6a4524a08443b0f82548bf7e4ffd0ddf8e54cdbc993972c0054ccf74a4fd
[INFO] running `Command { std: "docker" "start" "-a" "e96a6a4524a08443b0f82548bf7e4ffd0ddf8e54cdbc993972c0054ccf74a4fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathlab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "e96a6a4524a08443b0f82548bf7e4ffd0ddf8e54cdbc993972c0054ccf74a4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96a6a4524a08443b0f82548bf7e4ffd0ddf8e54cdbc993972c0054ccf74a4fd", kill_on_drop: false }`
[INFO] [stdout] e96a6a4524a08443b0f82548bf7e4ffd0ddf8e54cdbc993972c0054ccf74a4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 723c4245c8d0818d12b32a94c4f66d40d55c06f3b48a14924ce95b2c5cd50b9e
[INFO] running `Command { std: "docker" "start" "-a" "723c4245c8d0818d12b32a94c4f66d40d55c06f3b48a14924ce95b2c5cd50b9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathlab v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "723c4245c8d0818d12b32a94c4f66d40d55c06f3b48a14924ce95b2c5cd50b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723c4245c8d0818d12b32a94c4f66d40d55c06f3b48a14924ce95b2c5cd50b9e", kill_on_drop: false }`
[INFO] [stdout] 723c4245c8d0818d12b32a94c4f66d40d55c06f3b48a14924ce95b2c5cd50b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 55ab3a13dbeade29fa211c8f28f2d8425431c435650a7f410b3f484f44f2acdb
[INFO] running `Command { std: "docker" "start" "-a" "55ab3a13dbeade29fa211c8f28f2d8425431c435650a7f410b3f484f44f2acdb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mathlab-bbeb8fb36f76be68)
[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" "55ab3a13dbeade29fa211c8f28f2d8425431c435650a7f410b3f484f44f2acdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ab3a13dbeade29fa211c8f28f2d8425431c435650a7f410b3f484f44f2acdb", kill_on_drop: false }`
[INFO] [stdout] 55ab3a13dbeade29fa211c8f28f2d8425431c435650a7f410b3f484f44f2acdb