[INFO] cloning repository https://github.com/dj4park/rust_basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dj4park/rust_basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj4park%2Frust_basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj4park%2Frust_basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35314b02062eaeffaaf76ac7933643e6fc6845bd
[INFO] testing dj4park/rust_basics 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%2Fdj4park%2Frust_basics" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dj4park/rust_basics 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/dj4park/rust_basics
[INFO] finished tweaking git repo https://github.com/dj4park/rust_basics
[INFO] tweaked toml for git repo https://github.com/dj4park/rust_basics written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dj4park/rust_basics 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0693ff0f7bdddc8014b9d47bcab681612ad88a47e64d77cd062674c5b90c07a2
[INFO] running `Command { std: "docker" "start" "-a" "0693ff0f7bdddc8014b9d47bcab681612ad88a47e64d77cd062674c5b90c07a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0693ff0f7bdddc8014b9d47bcab681612ad88a47e64d77cd062674c5b90c07a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0693ff0f7bdddc8014b9d47bcab681612ad88a47e64d77cd062674c5b90c07a2", kill_on_drop: false }`
[INFO] [stdout] 0693ff0f7bdddc8014b9d47bcab681612ad88a47e64d77cd062674c5b90c07a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 94fbf902008e4f2d93fe2c98ac156d00ba00d657849a389bd7a71e4f0c8ffb39
[INFO] running `Command { std: "docker" "start" "-a" "94fbf902008e4f2d93fe2c98ac156d00ba00d657849a389bd7a71e4f0c8ffb39", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "94fbf902008e4f2d93fe2c98ac156d00ba00d657849a389bd7a71e4f0c8ffb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fbf902008e4f2d93fe2c98ac156d00ba00d657849a389bd7a71e4f0c8ffb39", kill_on_drop: false }`
[INFO] [stdout] 94fbf902008e4f2d93fe2c98ac156d00ba00d657849a389bd7a71e4f0c8ffb39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a26e3231bd0bb5e92d0d647737f0c257ea3481eb20f39783502deb1de58548a2
[INFO] running `Command { std: "docker" "start" "-a" "a26e3231bd0bb5e92d0d647737f0c257ea3481eb20f39783502deb1de58548a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a26e3231bd0bb5e92d0d647737f0c257ea3481eb20f39783502deb1de58548a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26e3231bd0bb5e92d0d647737f0c257ea3481eb20f39783502deb1de58548a2", kill_on_drop: false }`
[INFO] [stdout] a26e3231bd0bb5e92d0d647737f0c257ea3481eb20f39783502deb1de58548a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 276b86d3c45671ab9b79ae808dda67063d0345daf38369d9e2bd6632665d44a7
[INFO] running `Command { std: "docker" "start" "-a" "276b86d3c45671ab9b79ae808dda67063d0345daf38369d9e2bd6632665d44a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_crash_course-fe1a79b74dc122fb)
[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" "276b86d3c45671ab9b79ae808dda67063d0345daf38369d9e2bd6632665d44a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276b86d3c45671ab9b79ae808dda67063d0345daf38369d9e2bd6632665d44a7", kill_on_drop: false }`
[INFO] [stdout] 276b86d3c45671ab9b79ae808dda67063d0345daf38369d9e2bd6632665d44a7