[INFO] fetching crate kifuwarabe_tic_tac_toe 0.2.4...
[INFO] checking kifuwarabe_tic_tac_toe-0.2.4 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate kifuwarabe_tic_tac_toe 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kifuwarabe_tic_tac_toe 0.2.4 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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-4/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" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a16ab70fe355b60c50f34b07859b51698373652323920ab2a345e96b76b691b
[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" "3a16ab70fe355b60c50f34b07859b51698373652323920ab2a345e96b76b691b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a16ab70fe355b60c50f34b07859b51698373652323920ab2a345e96b76b691b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a16ab70fe355b60c50f34b07859b51698373652323920ab2a345e96b76b691b", kill_on_drop: false }`
[INFO] [stdout] 3a16ab70fe355b60c50f34b07859b51698373652323920ab2a345e96b76b691b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c663d775856cb733ebeff1376d5f6fc64fb996a3d4623ba68b84fa8dd90ebe4
[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" "9c663d775856cb733ebeff1376d5f6fc64fb996a3d4623ba68b84fa8dd90ebe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer 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 13.76s
[INFO] running `Command { std: "docker" "inspect" "9c663d775856cb733ebeff1376d5f6fc64fb996a3d4623ba68b84fa8dd90ebe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c663d775856cb733ebeff1376d5f6fc64fb996a3d4623ba68b84fa8dd90ebe4", kill_on_drop: false }`
[INFO] [stdout] 9c663d775856cb733ebeff1376d5f6fc64fb996a3d4623ba68b84fa8dd90ebe4