[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 try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepoirot%2Fshokunin-august-2019" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pepoirot/shokunin-august-2019 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pepoirot/shokunin-august-2019 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.1.11
[INFO] [stderr]   Downloaded wasi v0.5.0
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1432fc8c31580286f1f506ec503d0ddc58918e1dbf523abd8f8705c38bab2951
[INFO] running `Command { std: "docker" "start" "-a" "1432fc8c31580286f1f506ec503d0ddc58918e1dbf523abd8f8705c38bab2951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1432fc8c31580286f1f506ec503d0ddc58918e1dbf523abd8f8705c38bab2951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1432fc8c31580286f1f506ec503d0ddc58918e1dbf523abd8f8705c38bab2951", kill_on_drop: false }`
[INFO] [stdout] 1432fc8c31580286f1f506ec503d0ddc58918e1dbf523abd8f8705c38bab2951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 283a0c1609bbb24513a9cc2d9661911f72119a03b9fcdadeec059a9f1f2eacdf
[INFO] running `Command { std: "docker" "start" "-a" "283a0c1609bbb24513a9cc2d9661911f72119a03b9fcdadeec059a9f1f2eacdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[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` profile [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "283a0c1609bbb24513a9cc2d9661911f72119a03b9fcdadeec059a9f1f2eacdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283a0c1609bbb24513a9cc2d9661911f72119a03b9fcdadeec059a9f1f2eacdf", kill_on_drop: false }`
[INFO] [stdout] 283a0c1609bbb24513a9cc2d9661911f72119a03b9fcdadeec059a9f1f2eacdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9154f5e4f85c3bd14c42b694353f2274139cd4d30e11bd7713ceda13247c384b
[INFO] running `Command { std: "docker" "start" "-a" "9154f5e4f85c3bd14c42b694353f2274139cd4d30e11bd7713ceda13247c384b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shokunin_august_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "9154f5e4f85c3bd14c42b694353f2274139cd4d30e11bd7713ceda13247c384b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9154f5e4f85c3bd14c42b694353f2274139cd4d30e11bd7713ceda13247c384b", kill_on_drop: false }`
[INFO] [stdout] 9154f5e4f85c3bd14c42b694353f2274139cd4d30e11bd7713ceda13247c384b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c16d48f90e55ce4af7696a9fc808b92356ff0aa3d96801ab4d08d922a1eecbe3
[INFO] running `Command { std: "docker" "start" "-a" "c16d48f90e55ce4af7696a9fc808b92356ff0aa3d96801ab4d08d922a1eecbe3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/shokunin_august_2019-4138c9372b321e9b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test rankings::tests::test_ranking_formatting ... ok
[INFO] [stdout] test rankings::tests::test_ranking_get_best ... ok
[INFO] [stdout] test rankings::tests::test_ranking_get_worst ... ok
[INFO] [stdout] test rankings::tests::test_ranking_get_relative_rank ... ok
[INFO] [stdout] test rankings::tests::test_ranking_random ... ok
[INFO] [stdout] test solver::tests::test_compute_score ... ok
[INFO] [stdout] test solver::tests::test_find_ranking_in_10000_attempts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c16d48f90e55ce4af7696a9fc808b92356ff0aa3d96801ab4d08d922a1eecbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16d48f90e55ce4af7696a9fc808b92356ff0aa3d96801ab4d08d922a1eecbe3", kill_on_drop: false }`
[INFO] [stdout] c16d48f90e55ce4af7696a9fc808b92356ff0aa3d96801ab4d08d922a1eecbe3