[INFO] cloning repository https://github.com/yoshuawuyts/hot-ranking-algorithm-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshuawuyts/hot-ranking-algorithm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fhot-ranking-algorithm-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fhot-ranking-algorithm-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f58b66e90543569a9f420bad89c7fd91443d3bc1
[INFO] testing yoshuawuyts/hot-ranking-algorithm-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fhot-ranking-algorithm-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshuawuyts/hot-ranking-algorithm-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshuawuyts/hot-ranking-algorithm-rs
[INFO] finished tweaking git repo https://github.com/yoshuawuyts/hot-ranking-algorithm-rs
[INFO] tweaked toml for git repo https://github.com/yoshuawuyts/hot-ranking-algorithm-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshuawuyts/hot-ranking-algorithm-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b04ea0e2e7ba50f05d011688db72b5b25d51d026958157abe719aa620cc75a
[INFO] running `Command { std: "docker" "start" "-a" "b5b04ea0e2e7ba50f05d011688db72b5b25d51d026958157abe719aa620cc75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b04ea0e2e7ba50f05d011688db72b5b25d51d026958157abe719aa620cc75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b04ea0e2e7ba50f05d011688db72b5b25d51d026958157abe719aa620cc75a", kill_on_drop: false }`
[INFO] [stdout] b5b04ea0e2e7ba50f05d011688db72b5b25d51d026958157abe719aa620cc75a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153540111fa026abb87bc8beb734096abe8acbe7533f829ed6e12dd7f6f3448d
[INFO] running `Command { std: "docker" "start" "-a" "153540111fa026abb87bc8beb734096abe8acbe7533f829ed6e12dd7f6f3448d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling hot-ranking-algorithm v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "153540111fa026abb87bc8beb734096abe8acbe7533f829ed6e12dd7f6f3448d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153540111fa026abb87bc8beb734096abe8acbe7533f829ed6e12dd7f6f3448d", kill_on_drop: false }`
[INFO] [stdout] 153540111fa026abb87bc8beb734096abe8acbe7533f829ed6e12dd7f6f3448d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec5b1d4e0d4d5716e84626cb88d1a972508389e7bc8f7dc29081be38c0d7f28
[INFO] running `Command { std: "docker" "start" "-a" "1ec5b1d4e0d4d5716e84626cb88d1a972508389e7bc8f7dc29081be38c0d7f28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hot-ranking-algorithm v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "1ec5b1d4e0d4d5716e84626cb88d1a972508389e7bc8f7dc29081be38c0d7f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec5b1d4e0d4d5716e84626cb88d1a972508389e7bc8f7dc29081be38c0d7f28", kill_on_drop: false }`
[INFO] [stdout] 1ec5b1d4e0d4d5716e84626cb88d1a972508389e7bc8f7dc29081be38c0d7f28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94725a07e2db0dfccc19c81092e46e6dcafe5a732df92667ea7915d29cd37eb1
[INFO] running `Command { std: "docker" "start" "-a" "94725a07e2db0dfccc19c81092e46e6dcafe5a732df92667ea7915d29cd37eb1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hot_ranking_algorithm-c6c3b0420b5ae7d9)
[INFO] [stdout] test tests::one_upvote_twenty_downvotes ... ok
[INFO] [stderr]    Doc-tests hot-ranking-algorithm
[INFO] [stdout] test tests::one_upvote_one_downvote ... ok
[INFO] [stdout] test tests::twenty_upvotes_zero_downvotes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94725a07e2db0dfccc19c81092e46e6dcafe5a732df92667ea7915d29cd37eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94725a07e2db0dfccc19c81092e46e6dcafe5a732df92667ea7915d29cd37eb1", kill_on_drop: false }`
[INFO] [stdout] 94725a07e2db0dfccc19c81092e46e6dcafe5a732df92667ea7915d29cd37eb1