[INFO] cloning repository https://github.com/andy-young/Rust-Common-Programming-Concepts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andy-young/Rust-Common-Programming-Concepts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-young%2FRust-Common-Programming-Concepts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-young%2FRust-Common-Programming-Concepts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 327861e65282366262eddaf199af8b632a4778de
[INFO] testing andy-young/Rust-Common-Programming-Concepts 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%2Fandy-young%2FRust-Common-Programming-Concepts" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andy-young/Rust-Common-Programming-Concepts 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/andy-young/Rust-Common-Programming-Concepts
[INFO] finished tweaking git repo https://github.com/andy-young/Rust-Common-Programming-Concepts
[INFO] tweaked toml for git repo https://github.com/andy-young/Rust-Common-Programming-Concepts written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/andy-young/Rust-Common-Programming-Concepts 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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] b557f78df9a01d87b44663087469913b32215cb24de1cdc8a11d2b68bcc76d44
[INFO] running `Command { std: "docker" "start" "-a" "b557f78df9a01d87b44663087469913b32215cb24de1cdc8a11d2b68bcc76d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b557f78df9a01d87b44663087469913b32215cb24de1cdc8a11d2b68bcc76d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b557f78df9a01d87b44663087469913b32215cb24de1cdc8a11d2b68bcc76d44", kill_on_drop: false }`
[INFO] [stdout] b557f78df9a01d87b44663087469913b32215cb24de1cdc8a11d2b68bcc76d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 1a98912288632ff19ec64f946aa129a04e8daba1cd7a05b6d4f9e84f90c756f1
[INFO] running `Command { std: "docker" "start" "-a" "1a98912288632ff19ec64f946aa129a04e8daba1cd7a05b6d4f9e84f90c756f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "1a98912288632ff19ec64f946aa129a04e8daba1cd7a05b6d4f9e84f90c756f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a98912288632ff19ec64f946aa129a04e8daba1cd7a05b6d4f9e84f90c756f1", kill_on_drop: false }`
[INFO] [stdout] 1a98912288632ff19ec64f946aa129a04e8daba1cd7a05b6d4f9e84f90c756f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 20ee87fc5337e1f6f9fb76a7d85f377cf2f6668a8fa8450e563517a510410314
[INFO] running `Command { std: "docker" "start" "-a" "20ee87fc5337e1f6f9fb76a7d85f377cf2f6668a8fa8450e563517a510410314", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "20ee87fc5337e1f6f9fb76a7d85f377cf2f6668a8fa8450e563517a510410314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ee87fc5337e1f6f9fb76a7d85f377cf2f6668a8fa8450e563517a510410314", kill_on_drop: false }`
[INFO] [stdout] 20ee87fc5337e1f6f9fb76a7d85f377cf2f6668a8fa8450e563517a510410314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 7d02f88058f6ef6c04bb81a9d13096c7cc2bd54677ec70ac351475253760f526
[INFO] running `Command { std: "docker" "start" "-a" "7d02f88058f6ef6c04bb81a9d13096c7cc2bd54677ec70ac351475253760f526", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variables-d055e05d11ffcb4c)
[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" "7d02f88058f6ef6c04bb81a9d13096c7cc2bd54677ec70ac351475253760f526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d02f88058f6ef6c04bb81a9d13096c7cc2bd54677ec70ac351475253760f526", kill_on_drop: false }`
[INFO] [stdout] 7d02f88058f6ef6c04bb81a9d13096c7cc2bd54677ec70ac351475253760f526