[INFO] cloning repository https://github.com/florinrelea/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/florinrelea/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorinrelea%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorinrelea%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb3aecf7eee78bfb5c9d7b8157d0d0b9bfcf4cec
[INFO] testing florinrelea/learning-rust 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%2Fflorinrelea%2Flearning-rust" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/florinrelea/learning-rust 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/florinrelea/learning-rust
[INFO] finished tweaking git repo https://github.com/florinrelea/learning-rust
[INFO] tweaked toml for git repo https://github.com/florinrelea/learning-rust written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/florinrelea/learning-rust 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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] b7354d19fd5fa7d795d2b9641dfcfe891a8562564c9cd4ba4ce5c3eb2310f9dd
[INFO] running `Command { std: "docker" "start" "-a" "b7354d19fd5fa7d795d2b9641dfcfe891a8562564c9cd4ba4ce5c3eb2310f9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7354d19fd5fa7d795d2b9641dfcfe891a8562564c9cd4ba4ce5c3eb2310f9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7354d19fd5fa7d795d2b9641dfcfe891a8562564c9cd4ba4ce5c3eb2310f9dd", kill_on_drop: false }`
[INFO] [stdout] b7354d19fd5fa7d795d2b9641dfcfe891a8562564c9cd4ba4ce5c3eb2310f9dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] ac1d764c4f92f24a0a810cb07e67a54284698709fc3ffe575671c60109c15f1b
[INFO] running `Command { std: "docker" "start" "-a" "ac1d764c4f92f24a0a810cb07e67a54284698709fc3ffe575671c60109c15f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-proj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "ac1d764c4f92f24a0a810cb07e67a54284698709fc3ffe575671c60109c15f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1d764c4f92f24a0a810cb07e67a54284698709fc3ffe575671c60109c15f1b", kill_on_drop: false }`
[INFO] [stdout] ac1d764c4f92f24a0a810cb07e67a54284698709fc3ffe575671c60109c15f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 851176919f7c79e41b88d65ac81f59513bb65c0c7b34326fac6c32a8b6c09bb6
[INFO] running `Command { std: "docker" "start" "-a" "851176919f7c79e41b88d65ac81f59513bb65c0c7b34326fac6c32a8b6c09bb6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-proj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "851176919f7c79e41b88d65ac81f59513bb65c0c7b34326fac6c32a8b6c09bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851176919f7c79e41b88d65ac81f59513bb65c0c7b34326fac6c32a8b6c09bb6", kill_on_drop: false }`
[INFO] [stdout] 851176919f7c79e41b88d65ac81f59513bb65c0c7b34326fac6c32a8b6c09bb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 6a3d5ca9793c58ce99fa78a130a551b6928bc8b44e4634239ba36cc1136d8af6
[INFO] running `Command { std: "docker" "start" "-a" "6a3d5ca9793c58ce99fa78a130a551b6928bc8b44e4634239ba36cc1136d8af6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_proj-d8f0a27639749488)
[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" "6a3d5ca9793c58ce99fa78a130a551b6928bc8b44e4634239ba36cc1136d8af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3d5ca9793c58ce99fa78a130a551b6928bc8b44e4634239ba36cc1136d8af6", kill_on_drop: false }`
[INFO] [stdout] 6a3d5ca9793c58ce99fa78a130a551b6928bc8b44e4634239ba36cc1136d8af6