[INFO] cloning repository https://github.com/b3hr4d/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b3hr4d/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb3hr4d%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb3hr4d%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 254e2b2494e87283a9f00258f032c2ef12ede7c0
[INFO] testing b3hr4d/rust-learning against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb3hr4d%2Frust-learning" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/b3hr4d/rust-learning on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/b3hr4d/rust-learning
[INFO] finished tweaking git repo https://github.com/b3hr4d/rust-learning
[INFO] tweaked toml for git repo https://github.com/b3hr4d/rust-learning written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/b3hr4d/rust-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e0f819069f2199db3517704fc3740cd0aa56c1af3e7d1a7c0f9599a0f22e1ec
[INFO] running `Command { std: "docker" "start" "-a" "1e0f819069f2199db3517704fc3740cd0aa56c1af3e7d1a7c0f9599a0f22e1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e0f819069f2199db3517704fc3740cd0aa56c1af3e7d1a7c0f9599a0f22e1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0f819069f2199db3517704fc3740cd0aa56c1af3e7d1a7c0f9599a0f22e1ec", kill_on_drop: false }`
[INFO] [stdout] 1e0f819069f2199db3517704fc3740cd0aa56c1af3e7d1a7c0f9599a0f22e1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 734b59f00677fa432205b340606105675be5dab40c62a44e0c666c7a87e792ad
[INFO] running `Command { std: "docker" "start" "-a" "734b59f00677fa432205b340606105675be5dab40c62a44e0c666c7a87e792ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "734b59f00677fa432205b340606105675be5dab40c62a44e0c666c7a87e792ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734b59f00677fa432205b340606105675be5dab40c62a44e0c666c7a87e792ad", kill_on_drop: false }`
[INFO] [stdout] 734b59f00677fa432205b340606105675be5dab40c62a44e0c666c7a87e792ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4755563a0ccd6ef30c054bbc06055256ab6987dadf26636d9f14b76f5de8ccf
[INFO] running `Command { std: "docker" "start" "-a" "e4755563a0ccd6ef30c054bbc06055256ab6987dadf26636d9f14b76f5de8ccf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning-b72e45504e910010)
[INFO] running `Command { std: "docker" "inspect" "e4755563a0ccd6ef30c054bbc06055256ab6987dadf26636d9f14b76f5de8ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4755563a0ccd6ef30c054bbc06055256ab6987dadf26636d9f14b76f5de8ccf", kill_on_drop: false }`
[INFO] [stdout] e4755563a0ccd6ef30c054bbc06055256ab6987dadf26636d9f14b76f5de8ccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e2bb6f6455180114cd2315175bfc41edfc3d6bb4dac36abb8d3b22603fce5bf
[INFO] running `Command { std: "docker" "start" "-a" "7e2bb6f6455180114cd2315175bfc41edfc3d6bb4dac36abb8d3b22603fce5bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning-b72e45504e910010)
[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" "7e2bb6f6455180114cd2315175bfc41edfc3d6bb4dac36abb8d3b22603fce5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2bb6f6455180114cd2315175bfc41edfc3d6bb4dac36abb8d3b22603fce5bf", kill_on_drop: false }`
[INFO] [stdout] 7e2bb6f6455180114cd2315175bfc41edfc3d6bb4dac36abb8d3b22603fce5bf