[INFO] cloning repository https://github.com/jtempest/rust_book_exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtempest/rust_book_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtempest%2Frust_book_exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtempest%2Frust_book_exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23b10de80673adaee05523125cf3695738c31e09 [INFO] testing jtempest/rust_book_exercises against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtempest%2Frust_book_exercises" "/workspace/builds/worker-83/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtempest/rust_book_exercises on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jtempest/rust_book_exercises [INFO] finished tweaking git repo https://github.com/jtempest/rust_book_exercises [INFO] tweaked toml for git repo https://github.com/jtempest/rust_book_exercises written to /workspace/builds/worker-83/source/Cargo.toml [INFO] crate git repo https://github.com/jtempest/rust_book_exercises already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28a231f44a4d65264e09989c2c0f42d76ba87453982f77fafa3a64136d70e204 [INFO] running `Command { std: "docker" "start" "-a" "28a231f44a4d65264e09989c2c0f42d76ba87453982f77fafa3a64136d70e204", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28a231f44a4d65264e09989c2c0f42d76ba87453982f77fafa3a64136d70e204", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28a231f44a4d65264e09989c2c0f42d76ba87453982f77fafa3a64136d70e204", kill_on_drop: false }` [INFO] [stdout] 28a231f44a4d65264e09989c2c0f42d76ba87453982f77fafa3a64136d70e204 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecd8f775a54a3667aed5d529d57d2e5aba68073e84afdf8abc1007d47d354826 [INFO] running `Command { std: "docker" "start" "-a" "ecd8f775a54a3667aed5d529d57d2e5aba68073e84afdf8abc1007d47d354826", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver) [INFO] [stderr] Compiling two_threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stderr] Compiling twelve_days v0.1.0 (/opt/rustwide/workdir/twelve_days) [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling pig_latin v0.1.0 (/opt/rustwide/workdir/pig_latin) [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling guessing v0.1.0 (/opt/rustwide/workdir/guessing) [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling averages v0.1.0 (/opt/rustwide/workdir/averages) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.48s [INFO] running `Command { std: "docker" "inspect" "ecd8f775a54a3667aed5d529d57d2e5aba68073e84afdf8abc1007d47d354826", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecd8f775a54a3667aed5d529d57d2e5aba68073e84afdf8abc1007d47d354826", kill_on_drop: false }` [INFO] [stdout] ecd8f775a54a3667aed5d529d57d2e5aba68073e84afdf8abc1007d47d354826 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfeec2771a462d754774847daf05b9a652bd2895f7b18feb4b8499b0485758f0 [INFO] running `Command { std: "docker" "start" "-a" "cfeec2771a462d754774847daf05b9a652bd2895f7b18feb4b8499b0485758f0", kill_on_drop: false }` [INFO] [stderr] Compiling twelve_days v0.1.0 (/opt/rustwide/workdir/twelve_days) [INFO] [stderr] Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver) [INFO] [stderr] Compiling two_threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stderr] Compiling pig_latin v0.1.0 (/opt/rustwide/workdir/pig_latin) [INFO] [stderr] Compiling averages v0.1.0 (/opt/rustwide/workdir/averages) [INFO] [stderr] Compiling guessing v0.1.0 (/opt/rustwide/workdir/guessing) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.13s [INFO] running `Command { std: "docker" "inspect" "cfeec2771a462d754774847daf05b9a652bd2895f7b18feb4b8499b0485758f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfeec2771a462d754774847daf05b9a652bd2895f7b18feb4b8499b0485758f0", kill_on_drop: false }` [INFO] [stdout] cfeec2771a462d754774847daf05b9a652bd2895f7b18feb4b8499b0485758f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ce0d89a846aca6b3ff0cc534e553b6c3645a3a8e1347177688e9eb8c0ab0feab [INFO] running `Command { std: "docker" "start" "-a" "ce0d89a846aca6b3ff0cc534e553b6c3645a3a8e1347177688e9eb8c0ab0feab", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/averages-b3df0b7292118d57) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test_mean ... ok [INFO] [stdout] test test_median ... ok [INFO] [stdout] test test_parity_cmp ... ok [INFO] [stdout] test test_mode ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/guessing-1dc50009a99bf454) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pig_latin-048cd479d30dfcc3) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/twelve_days-012f490863819266) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/two_threads-904a0a90b92bdb18) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/webserver-7842b88d0deb9d03) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-91ce49c7e732598b) [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] [stderr] Doc-tests webserver [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] [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" "ce0d89a846aca6b3ff0cc534e553b6c3645a3a8e1347177688e9eb8c0ab0feab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce0d89a846aca6b3ff0cc534e553b6c3645a3a8e1347177688e9eb8c0ab0feab", kill_on_drop: false }` [INFO] [stdout] ce0d89a846aca6b3ff0cc534e553b6c3645a3a8e1347177688e9eb8c0ab0feab