[INFO] fetching crate kurobako_solvers 0.2.1...
[INFO] testing kurobako_solvers-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate kurobako_solvers 0.2.1 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate kurobako_solvers 0.2.1 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 kurobako_solvers 0.2.1
[INFO] finished tweaking crates.io crate kurobako_solvers 0.2.1
[INFO] tweaked toml for crates.io crate kurobako_solvers 0.2.1 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] f49b8d43d11b62eb56da045c0ada3f59ebb2f1f682e1c86efa3c60d09a94c5fd
[INFO] running `Command { std: "docker" "start" "-a" "f49b8d43d11b62eb56da045c0ada3f59ebb2f1f682e1c86efa3c60d09a94c5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49b8d43d11b62eb56da045c0ada3f59ebb2f1f682e1c86efa3c60d09a94c5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49b8d43d11b62eb56da045c0ada3f59ebb2f1f682e1c86efa3c60d09a94c5fd", kill_on_drop: false }`
[INFO] [stdout] f49b8d43d11b62eb56da045c0ada3f59ebb2f1f682e1c86efa3c60d09a94c5fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 05325c55f0138fbd048e3f6758593694ff560c77993b6ca9922a45c4633f69e7
[INFO] running `Command { std: "docker" "start" "-a" "05325c55f0138fbd048e3f6758593694ff560c77993b6ca9922a45c4633f69e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling yamakan v0.2.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling kurobako_core v0.1.11
[INFO] [stderr]    Compiling kurobako_solvers v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "05325c55f0138fbd048e3f6758593694ff560c77993b6ca9922a45c4633f69e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05325c55f0138fbd048e3f6758593694ff560c77993b6ca9922a45c4633f69e7", kill_on_drop: false }`
[INFO] [stdout] 05325c55f0138fbd048e3f6758593694ff560c77993b6ca9922a45c4633f69e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 785f376497880bb8c815b6256d76bac0be9b406e83085a587608c6ea98cdfda2
[INFO] running `Command { std: "docker" "start" "-a" "785f376497880bb8c815b6256d76bac0be9b406e83085a587608c6ea98cdfda2", kill_on_drop: false }`
[INFO] [stderr]    Compiling kurobako_solvers v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "785f376497880bb8c815b6256d76bac0be9b406e83085a587608c6ea98cdfda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785f376497880bb8c815b6256d76bac0be9b406e83085a587608c6ea98cdfda2", kill_on_drop: false }`
[INFO] [stdout] 785f376497880bb8c815b6256d76bac0be9b406e83085a587608c6ea98cdfda2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 4ba0e3482e16c76d10b57b6e8b8af3e8e6533a0389517728327b534b0cc96a47
[INFO] running `Command { std: "docker" "start" "-a" "4ba0e3482e16c76d10b57b6e8b8af3e8e6533a0389517728327b534b0cc96a47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kurobako_solvers-dcd870a172cb39f9)
[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 kurobako_solvers
[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" "4ba0e3482e16c76d10b57b6e8b8af3e8e6533a0389517728327b534b0cc96a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba0e3482e16c76d10b57b6e8b8af3e8e6533a0389517728327b534b0cc96a47", kill_on_drop: false }`
[INFO] [stdout] 4ba0e3482e16c76d10b57b6e8b8af3e8e6533a0389517728327b534b0cc96a47