[INFO] fetching crate kifuwarabe_tic_tac_toe 0.2.4...
[INFO] checking kifuwarabe_tic_tac_toe-0.2.4 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate kifuwarabe_tic_tac_toe 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kifuwarabe_tic_tac_toe 0.2.4 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kifuwarabe_tic_tac_toe 0.2.4
[INFO] finished tweaking crates.io crate kifuwarabe_tic_tac_toe 0.2.4
[INFO] tweaked toml for crates.io crate kifuwarabe_tic_tac_toe 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kifuwarabe_tic_tac_toe 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5e48d7377136b450932a62ae0bc12443329f2858c6923f6ded01f56d4e03f32
[INFO] running `Command { std: "docker" "start" "-a" "e5e48d7377136b450932a62ae0bc12443329f2858c6923f6ded01f56d4e03f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5e48d7377136b450932a62ae0bc12443329f2858c6923f6ded01f56d4e03f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e48d7377136b450932a62ae0bc12443329f2858c6923f6ded01f56d4e03f32", kill_on_drop: false }`
[INFO] [stdout] e5e48d7377136b450932a62ae0bc12443329f2858c6923f6ded01f56d4e03f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eed3e602c54db4b11107a14752f3f9d80a8b54878ce6a161bbc8acbf082f84a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eed3e602c54db4b11107a14752f3f9d80a8b54878ce6a161bbc8acbf082f84a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking casual_logger v0.6.5
[INFO] [stderr]     Checking kifuwarabe_tic_tac_toe v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "eed3e602c54db4b11107a14752f3f9d80a8b54878ce6a161bbc8acbf082f84a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed3e602c54db4b11107a14752f3f9d80a8b54878ce6a161bbc8acbf082f84a2", kill_on_drop: false }`
[INFO] [stdout] eed3e602c54db4b11107a14752f3f9d80a8b54878ce6a161bbc8acbf082f84a2