[INFO] cloning repository https://github.com/gnuvince/stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnuvince/stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnuvince%2Fstats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnuvince%2Fstats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1078b358059bd2508227002c3375ac4de6bffe5a
[INFO] testing gnuvince/stats against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnuvince%2Fstats" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnuvince/stats 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/gnuvince/stats
[INFO] finished tweaking git repo https://github.com/gnuvince/stats
[INFO] tweaked toml for git repo https://github.com/gnuvince/stats written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/gnuvince/stats 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] b3074a845026fe096c0f687b060be56cca955c74637d35345e3f39c3dd9ab496
[INFO] running `Command { std: "docker" "start" "-a" "b3074a845026fe096c0f687b060be56cca955c74637d35345e3f39c3dd9ab496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3074a845026fe096c0f687b060be56cca955c74637d35345e3f39c3dd9ab496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3074a845026fe096c0f687b060be56cca955c74637d35345e3f39c3dd9ab496", kill_on_drop: false }`
[INFO] [stdout] b3074a845026fe096c0f687b060be56cca955c74637d35345e3f39c3dd9ab496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] c417f893f2e54dba1d247ce25dc72e84b1d54e68e019bb615e36dcca3eb8652c
[INFO] running `Command { std: "docker" "start" "-a" "c417f893f2e54dba1d247ce25dc72e84b1d54e68e019bb615e36dcca3eb8652c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling separator v0.4.1
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling stats v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.37s
[INFO] running `Command { std: "docker" "inspect" "c417f893f2e54dba1d247ce25dc72e84b1d54e68e019bb615e36dcca3eb8652c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c417f893f2e54dba1d247ce25dc72e84b1d54e68e019bb615e36dcca3eb8652c", kill_on_drop: false }`
[INFO] [stdout] c417f893f2e54dba1d247ce25dc72e84b1d54e68e019bb615e36dcca3eb8652c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 7603e136121d7f1c1e0603037cb6d2b6d947a33d5fe9a4c3815388002cf26f56
[INFO] running `Command { std: "docker" "start" "-a" "7603e136121d7f1c1e0603037cb6d2b6d947a33d5fe9a4c3815388002cf26f56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stats v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "7603e136121d7f1c1e0603037cb6d2b6d947a33d5fe9a4c3815388002cf26f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7603e136121d7f1c1e0603037cb6d2b6d947a33d5fe9a4c3815388002cf26f56", kill_on_drop: false }`
[INFO] [stdout] 7603e136121d7f1c1e0603037cb6d2b6d947a33d5fe9a4c3815388002cf26f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 419eedb6e877c31419ebe2d8a6fdb4a1cde871e68ae282dbc11282a91cf7610e
[INFO] running `Command { std: "docker" "start" "-a" "419eedb6e877c31419ebe2d8a6fdb4a1cde871e68ae282dbc11282a91cf7610e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stats-d9b4b15cd04f9c2c)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mode ... ok
[INFO] [stdout] test test_percentile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "419eedb6e877c31419ebe2d8a6fdb4a1cde871e68ae282dbc11282a91cf7610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419eedb6e877c31419ebe2d8a6fdb4a1cde871e68ae282dbc11282a91cf7610e", kill_on_drop: false }`
[INFO] [stdout] 419eedb6e877c31419ebe2d8a6fdb4a1cde871e68ae282dbc11282a91cf7610e