[INFO] fetching crate kurobako_solvers 0.2.2...
[INFO] checking kurobako_solvers-0.2.2 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate kurobako_solvers 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kurobako_solvers 0.2.2 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kurobako_solvers 0.2.2
[INFO] finished tweaking crates.io crate kurobako_solvers 0.2.2
[INFO] tweaked toml for crates.io crate kurobako_solvers 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (available: v0.10.4)
[INFO] [stderr]       Adding bstr v0.2.17 (available: v1.10.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding ordered-float v2.10.1 (available: v4.3.0)
[INFO] [stderr]       Adding rlua v0.17.1 (available: v0.20.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.8)
[INFO] [stderr]       Adding strsim v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding trackable v0.2.24 (available: v1.3.0)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded kurobako_core v0.1.12
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded yamakan v0.2.0
[INFO] [stderr]   Downloaded rlua v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e0fcf2d33b96dd822ae2871854dd52f099b0c58f248f272aede14c1feda5ead
[INFO] running `Command { std: "docker" "start" "-a" "2e0fcf2d33b96dd822ae2871854dd52f099b0c58f248f272aede14c1feda5ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e0fcf2d33b96dd822ae2871854dd52f099b0c58f248f272aede14c1feda5ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0fcf2d33b96dd822ae2871854dd52f099b0c58f248f272aede14c1feda5ead", kill_on_drop: false }`
[INFO] [stdout] 2e0fcf2d33b96dd822ae2871854dd52f099b0c58f248f272aede14c1feda5ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59e589b2016a8257d6243a03da19e5b7c0b80851ca3684284c57dd2eb1bbc0bf
[INFO] running `Command { std: "docker" "start" "-a" "59e589b2016a8257d6243a03da19e5b7c0b80851ca3684284c57dd2eb1bbc0bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.13.0
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking yamakan v0.2.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking kurobako_core v0.1.12
[INFO] [stderr]     Checking kurobako_solvers v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "59e589b2016a8257d6243a03da19e5b7c0b80851ca3684284c57dd2eb1bbc0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e589b2016a8257d6243a03da19e5b7c0b80851ca3684284c57dd2eb1bbc0bf", kill_on_drop: false }`
[INFO] [stdout] 59e589b2016a8257d6243a03da19e5b7c0b80851ca3684284c57dd2eb1bbc0bf