[INFO] fetching crate monte-carlo-tree-search 0.3.0...
[INFO] checking monte-carlo-tree-search-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate monte-carlo-tree-search 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate monte-carlo-tree-search 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate monte-carlo-tree-search 0.3.0
[INFO] tweaked toml for crates.io crate monte-carlo-tree-search 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate monte-carlo-tree-search 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate monte-carlo-tree-search 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tic-tac-toe-board v0.2.2
[INFO] [stderr]   Downloaded getrandom v0.3.0
[INFO] [stderr]   Downloaded connect-four-solver v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d71d0680922cf4667ec676625c9e3f980d5ea279bd4e00ae15b7bf8578e79af
[INFO] running `Command { std: "docker" "start" "-a" "9d71d0680922cf4667ec676625c9e3f980d5ea279bd4e00ae15b7bf8578e79af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d71d0680922cf4667ec676625c9e3f980d5ea279bd4e00ae15b7bf8578e79af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d71d0680922cf4667ec676625c9e3f980d5ea279bd4e00ae15b7bf8578e79af", kill_on_drop: false }`
[INFO] [stdout] 9d71d0680922cf4667ec676625c9e3f980d5ea279bd4e00ae15b7bf8578e79af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c1a9e1fc2926351e72a7acbf03ced1e1a68bf4cfe11daeb8dde2a9d60aad9a
[INFO] running `Command { std: "docker" "start" "-a" "92c1a9e1fc2926351e72a7acbf03ced1e1a68bf4cfe11daeb8dde2a9d60aad9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.0
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking connect-four-solver v0.2.4
[INFO] [stderr]     Checking tic-tac-toe-board v0.2.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking monte-carlo-tree-search v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.58s
[INFO] running `Command { std: "docker" "inspect" "92c1a9e1fc2926351e72a7acbf03ced1e1a68bf4cfe11daeb8dde2a9d60aad9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c1a9e1fc2926351e72a7acbf03ced1e1a68bf4cfe11daeb8dde2a9d60aad9a", kill_on_drop: false }`
[INFO] [stdout] 92c1a9e1fc2926351e72a7acbf03ced1e1a68bf4cfe11daeb8dde2a9d60aad9a