[INFO] cloning repository https://github.com/chrisgramberg678/chapter3_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisgramberg678/chapter3_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisgramberg678%2Fchapter3_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisgramberg678%2Fchapter3_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0ad27bcd320958a6a920ba7e5ae76b8f98f6790
[INFO] testing chrisgramberg678/chapter3_exercises against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisgramberg678%2Fchapter3_exercises" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisgramberg678/chapter3_exercises on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrisgramberg678/chapter3_exercises
[INFO] finished tweaking git repo https://github.com/chrisgramberg678/chapter3_exercises
[INFO] tweaked toml for git repo https://github.com/chrisgramberg678/chapter3_exercises written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisgramberg678/chapter3_exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6958746926f4e574c138cb9396827cd7c5bfc326475c06c949d705bea44f8000
[INFO] running `Command { std: "docker" "start" "-a" "6958746926f4e574c138cb9396827cd7c5bfc326475c06c949d705bea44f8000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6958746926f4e574c138cb9396827cd7c5bfc326475c06c949d705bea44f8000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6958746926f4e574c138cb9396827cd7c5bfc326475c06c949d705bea44f8000", kill_on_drop: false }`
[INFO] [stdout] 6958746926f4e574c138cb9396827cd7c5bfc326475c06c949d705bea44f8000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf0d6bd1a14c5a47ad04424a7ed539a7cd258baf447e45087922c5b3128a0c42
[INFO] running `Command { std: "docker" "start" "-a" "bf0d6bd1a14c5a47ad04424a7ed539a7cd258baf447e45087922c5b3128a0c42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chapter3_exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "bf0d6bd1a14c5a47ad04424a7ed539a7cd258baf447e45087922c5b3128a0c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0d6bd1a14c5a47ad04424a7ed539a7cd258baf447e45087922c5b3128a0c42", kill_on_drop: false }`
[INFO] [stdout] bf0d6bd1a14c5a47ad04424a7ed539a7cd258baf447e45087922c5b3128a0c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48665b59a5ff73e9237ffe15365da15cf09db6cfcb0858d4e46d080451ffe979
[INFO] running `Command { std: "docker" "start" "-a" "48665b59a5ff73e9237ffe15365da15cf09db6cfcb0858d4e46d080451ffe979", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chapter3_exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "48665b59a5ff73e9237ffe15365da15cf09db6cfcb0858d4e46d080451ffe979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48665b59a5ff73e9237ffe15365da15cf09db6cfcb0858d4e46d080451ffe979", kill_on_drop: false }`
[INFO] [stdout] 48665b59a5ff73e9237ffe15365da15cf09db6cfcb0858d4e46d080451ffe979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b44d6450f62e9ba19e1c95b188fe2ad62c373d8d64268922f245cf5d6b52805
[INFO] running `Command { std: "docker" "start" "-a" "2b44d6450f62e9ba19e1c95b188fe2ad62c373d8d64268922f245cf5d6b52805", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chapter3_exercises-e0869fffaac80c91)
[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" "2b44d6450f62e9ba19e1c95b188fe2ad62c373d8d64268922f245cf5d6b52805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b44d6450f62e9ba19e1c95b188fe2ad62c373d8d64268922f245cf5d6b52805", kill_on_drop: false }`
[INFO] [stdout] 2b44d6450f62e9ba19e1c95b188fe2ad62c373d8d64268922f245cf5d6b52805