[INFO] cloning repository https://github.com/robeirne/hangman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robeirne/hangman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobeirne%2Fhangman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobeirne%2Fhangman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1216b78ac9a1a181154b432987455470bffb24f7 [INFO] checking robeirne/hangman against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobeirne%2Fhangman" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robeirne/hangman on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robeirne/hangman [INFO] finished tweaking git repo https://github.com/robeirne/hangman [INFO] tweaked toml for git repo https://github.com/robeirne/hangman written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/robeirne/hangman already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cd061bc7f9de68dd3975efd8106df5d348132a746c1a96bd62d59d055c0a103 [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" "4cd061bc7f9de68dd3975efd8106df5d348132a746c1a96bd62d59d055c0a103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cd061bc7f9de68dd3975efd8106df5d348132a746c1a96bd62d59d055c0a103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cd061bc7f9de68dd3975efd8106df5d348132a746c1a96bd62d59d055c0a103", kill_on_drop: false }` [INFO] [stdout] 4cd061bc7f9de68dd3975efd8106df5d348132a746c1a96bd62d59d055c0a103 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e5dbed1a707c8b32f40d5cbd8caf73dbd293a3b257dd2fb2e52a5f27b2dca782 [INFO] running `Command { std: "docker" "start" "-a" "e5dbed1a707c8b32f40d5cbd8caf73dbd293a3b257dd2fb2e52a5f27b2dca782", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Checking hangman v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.47s [INFO] running `Command { std: "docker" "inspect" "e5dbed1a707c8b32f40d5cbd8caf73dbd293a3b257dd2fb2e52a5f27b2dca782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5dbed1a707c8b32f40d5cbd8caf73dbd293a3b257dd2fb2e52a5f27b2dca782", kill_on_drop: false }` [INFO] [stdout] e5dbed1a707c8b32f40d5cbd8caf73dbd293a3b257dd2fb2e52a5f27b2dca782