[INFO] fetching crate rustengine 1.0.60...
[INFO] testing rustengine-1.0.60 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rustengine 1.0.60 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate rustengine 1.0.60 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 rustengine 1.0.60
[INFO] finished tweaking crates.io crate rustengine 1.0.60
[INFO] tweaked toml for crates.io crate rustengine 1.0.60 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate rustengine 1.0.60 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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] eaabdc491f725858b590dedaf65b23f2395e513d9fc2e2d1a242fdc6da205340
[INFO] running `Command { std: "docker" "start" "-a" "eaabdc491f725858b590dedaf65b23f2395e513d9fc2e2d1a242fdc6da205340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaabdc491f725858b590dedaf65b23f2395e513d9fc2e2d1a242fdc6da205340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaabdc491f725858b590dedaf65b23f2395e513d9fc2e2d1a242fdc6da205340", kill_on_drop: false }`
[INFO] [stdout] eaabdc491f725858b590dedaf65b23f2395e513d9fc2e2d1a242fdc6da205340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 4d5a79aeead421898c8b0b5af32d5fd1dd68efd4aa3adb5a58650a0d84529d50
[INFO] running `Command { std: "docker" "start" "-a" "4d5a79aeead421898c8b0b5af32d5fd1dd68efd4aa3adb5a58650a0d84529d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustengine v1.0.60 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "4d5a79aeead421898c8b0b5af32d5fd1dd68efd4aa3adb5a58650a0d84529d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5a79aeead421898c8b0b5af32d5fd1dd68efd4aa3adb5a58650a0d84529d50", kill_on_drop: false }`
[INFO] [stdout] 4d5a79aeead421898c8b0b5af32d5fd1dd68efd4aa3adb5a58650a0d84529d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] d60f9f757d3b3b1fe8177a19cdf3be2d5a50d0a0cc67e69f88943138f05cd953
[INFO] running `Command { std: "docker" "start" "-a" "d60f9f757d3b3b1fe8177a19cdf3be2d5a50d0a0cc67e69f88943138f05cd953", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustengine v1.0.60 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "d60f9f757d3b3b1fe8177a19cdf3be2d5a50d0a0cc67e69f88943138f05cd953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60f9f757d3b3b1fe8177a19cdf3be2d5a50d0a0cc67e69f88943138f05cd953", kill_on_drop: false }`
[INFO] [stdout] d60f9f757d3b3b1fe8177a19cdf3be2d5a50d0a0cc67e69f88943138f05cd953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 1d65e09de0966ff69dbcffc0124611c1709e58cabfbaa227d1861e27de22e870
[INFO] running `Command { std: "docker" "start" "-a" "1d65e09de0966ff69dbcffc0124611c1709e58cabfbaa227d1861e27de22e870", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustenginelib-c0bd0763f62b964e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustengine-da2e85b8242e7650)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] [stderr]    Doc-tests rustenginelib
[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" "1d65e09de0966ff69dbcffc0124611c1709e58cabfbaa227d1861e27de22e870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d65e09de0966ff69dbcffc0124611c1709e58cabfbaa227d1861e27de22e870", kill_on_drop: false }`
[INFO] [stdout] 1d65e09de0966ff69dbcffc0124611c1709e58cabfbaa227d1861e27de22e870