[INFO] cloning repository https://github.com/neutralparadoxdev/random-rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neutralparadoxdev/random-rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneutralparadoxdev%2Frandom-rust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneutralparadoxdev%2Frandom-rust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f435993a9e73ddc14e94b760c85c4f0db5d88ee
[INFO] testing neutralparadoxdev/random-rust-playground against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneutralparadoxdev%2Frandom-rust-playground" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/neutralparadoxdev/random-rust-playground
[INFO] finished tweaking git repo https://github.com/neutralparadoxdev/random-rust-playground
[INFO] tweaked toml for git repo https://github.com/neutralparadoxdev/random-rust-playground written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neutralparadoxdev/random-rust-playground on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neutralparadoxdev/random-rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 436c7c01cab53a23e2aa4428f617a7628b08c407f3f1b1b7ce6bf26628c7bd67
[INFO] running `Command { std: "docker" "start" "-a" "436c7c01cab53a23e2aa4428f617a7628b08c407f3f1b1b7ce6bf26628c7bd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "436c7c01cab53a23e2aa4428f617a7628b08c407f3f1b1b7ce6bf26628c7bd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436c7c01cab53a23e2aa4428f617a7628b08c407f3f1b1b7ce6bf26628c7bd67", kill_on_drop: false }`
[INFO] [stdout] 436c7c01cab53a23e2aa4428f617a7628b08c407f3f1b1b7ce6bf26628c7bd67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fe82ac23cb5139dd2afffe666a4612b7c22c9a5fae7bb41f0b0f8793b6e78ca
[INFO] running `Command { std: "docker" "start" "-a" "8fe82ac23cb5139dd2afffe666a4612b7c22c9a5fae7bb41f0b0f8793b6e78ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_language v0.1.0 (/opt/rustwide/workdir/my_language)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8fe82ac23cb5139dd2afffe666a4612b7c22c9a5fae7bb41f0b0f8793b6e78ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe82ac23cb5139dd2afffe666a4612b7c22c9a5fae7bb41f0b0f8793b6e78ca", kill_on_drop: false }`
[INFO] [stdout] 8fe82ac23cb5139dd2afffe666a4612b7c22c9a5fae7bb41f0b0f8793b6e78ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9e5a8402607b0a14f2b47824b4646da92a600c8168fac32ce516c581a0bc41f
[INFO] running `Command { std: "docker" "start" "-a" "a9e5a8402607b0a14f2b47824b4646da92a600c8168fac32ce516c581a0bc41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_language v0.1.0 (/opt/rustwide/workdir/my_language)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "a9e5a8402607b0a14f2b47824b4646da92a600c8168fac32ce516c581a0bc41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e5a8402607b0a14f2b47824b4646da92a600c8168fac32ce516c581a0bc41f", kill_on_drop: false }`
[INFO] [stdout] a9e5a8402607b0a14f2b47824b4646da92a600c8168fac32ce516c581a0bc41f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31d29c3ea416b76bf97f12a72eeb2c6cd7bfe560397764f22712b63a7328aff7
[INFO] running `Command { std: "docker" "start" "-a" "31d29c3ea416b76bf97f12a72eeb2c6cd7bfe560397764f22712b63a7328aff7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_language-64a22b5a872644b6)
[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" "31d29c3ea416b76bf97f12a72eeb2c6cd7bfe560397764f22712b63a7328aff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d29c3ea416b76bf97f12a72eeb2c6cd7bfe560397764f22712b63a7328aff7", kill_on_drop: false }`
[INFO] [stdout] 31d29c3ea416b76bf97f12a72eeb2c6cd7bfe560397764f22712b63a7328aff7