[INFO] cloning repository https://github.com/pepoirot/shokunin-august-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepoirot/shokunin-august-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepoirot%2Fshokunin-august-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepoirot%2Fshokunin-august-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0f387e1dc767b56749c50bae9bfb40f7ecf0651
[INFO] testing pepoirot/shokunin-august-2019 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepoirot%2Fshokunin-august-2019" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepoirot/shokunin-august-2019 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepoirot/shokunin-august-2019
[INFO] finished tweaking git repo https://github.com/pepoirot/shokunin-august-2019
[INFO] tweaked toml for git repo https://github.com/pepoirot/shokunin-august-2019 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pepoirot/shokunin-august-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffca61883ddd7b448f9405b2fcf57baae6953ff530f2670b688bdd0cd23faf8e
[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" "ffca61883ddd7b448f9405b2fcf57baae6953ff530f2670b688bdd0cd23faf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffca61883ddd7b448f9405b2fcf57baae6953ff530f2670b688bdd0cd23faf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffca61883ddd7b448f9405b2fcf57baae6953ff530f2670b688bdd0cd23faf8e", kill_on_drop: false }`
[INFO] [stdout] ffca61883ddd7b448f9405b2fcf57baae6953ff530f2670b688bdd0cd23faf8e
[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=warn" "-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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83b94ba3ee91458cea722bee1160e5b10b54b9ef354b5ef08c34aad8a30f4094
[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" "83b94ba3ee91458cea722bee1160e5b10b54b9ef354b5ef08c34aad8a30f4094", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling shokunin_august_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "83b94ba3ee91458cea722bee1160e5b10b54b9ef354b5ef08c34aad8a30f4094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b94ba3ee91458cea722bee1160e5b10b54b9ef354b5ef08c34aad8a30f4094", kill_on_drop: false }`
[INFO] [stdout] 83b94ba3ee91458cea722bee1160e5b10b54b9ef354b5ef08c34aad8a30f4094
[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=warn" "-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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482bfa639fca193aa280ff980a0b7244df193f76bb8d084d3448d115d7b90bd4
[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" "482bfa639fca193aa280ff980a0b7244df193f76bb8d084d3448d115d7b90bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling shokunin_august_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "482bfa639fca193aa280ff980a0b7244df193f76bb8d084d3448d115d7b90bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482bfa639fca193aa280ff980a0b7244df193f76bb8d084d3448d115d7b90bd4", kill_on_drop: false }`
[INFO] [stdout] 482bfa639fca193aa280ff980a0b7244df193f76bb8d084d3448d115d7b90bd4
[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=warn" "-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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53abf17292990fd05642b192137655e99160747496682692a9f3fc036b604ae6
[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" "53abf17292990fd05642b192137655e99160747496682692a9f3fc036b604ae6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shokunin_august_2019-3fad199bc2f5171b
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test rankings::tests::test_ranking_formatting ... ok
[INFO] [stdout] test rankings::tests::test_ranking_get_relative_rank ... ok
[INFO] [stdout] test rankings::tests::test_ranking_get_best ... ok
[INFO] [stdout] test rankings::tests::test_ranking_get_worst ... ok
[INFO] [stdout] test solver::tests::test_compute_score ... ok
[INFO] [stdout] test solver::tests::test_find_ranking_in_10000_attempts ... ok
[INFO] [stdout] test rankings::tests::test_ranking_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53abf17292990fd05642b192137655e99160747496682692a9f3fc036b604ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53abf17292990fd05642b192137655e99160747496682692a9f3fc036b604ae6", kill_on_drop: false }`
[INFO] [stdout] 53abf17292990fd05642b192137655e99160747496682692a9f3fc036b604ae6