[INFO] cloning repository https://github.com/Curti-s/err_handling_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Curti-s/err_handling_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurti-s%2Ferr_handling_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurti-s%2Ferr_handling_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd2b83971829d627376a09abb687dcf55124297
[INFO] testing Curti-s/err_handling_rust 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%2FCurti-s%2Ferr_handling_rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Curti-s/err_handling_rust 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/Curti-s/err_handling_rust
[INFO] finished tweaking git repo https://github.com/Curti-s/err_handling_rust
[INFO] tweaked toml for git repo https://github.com/Curti-s/err_handling_rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Curti-s/err_handling_rust 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a3f1372c23b4816ba678eea12620e2bf3d7f4164684e937ba781c4e0c9569617
[INFO] running `Command { std: "docker" "start" "-a" "a3f1372c23b4816ba678eea12620e2bf3d7f4164684e937ba781c4e0c9569617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f1372c23b4816ba678eea12620e2bf3d7f4164684e937ba781c4e0c9569617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f1372c23b4816ba678eea12620e2bf3d7f4164684e937ba781c4e0c9569617", kill_on_drop: false }`
[INFO] [stdout] a3f1372c23b4816ba678eea12620e2bf3d7f4164684e937ba781c4e0c9569617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d1a8c471885cd56bb2f50a6601d04491b76c953c7c78fedaeb14e8b538aa8435
[INFO] running `Command { std: "docker" "start" "-a" "d1a8c471885cd56bb2f50a6601d04491b76c953c7c78fedaeb14e8b538aa8435", kill_on_drop: false }`
[INFO] [stderr]    Compiling err_handling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "d1a8c471885cd56bb2f50a6601d04491b76c953c7c78fedaeb14e8b538aa8435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a8c471885cd56bb2f50a6601d04491b76c953c7c78fedaeb14e8b538aa8435", kill_on_drop: false }`
[INFO] [stdout] d1a8c471885cd56bb2f50a6601d04491b76c953c7c78fedaeb14e8b538aa8435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f6a7bf589bcac7b32acc0cf8bfa1eb528e464abe6507bd66514f3726467f4936
[INFO] running `Command { std: "docker" "start" "-a" "f6a7bf589bcac7b32acc0cf8bfa1eb528e464abe6507bd66514f3726467f4936", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling err_handling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/err_handling-7684cd9880f9c09d)
[INFO] running `Command { std: "docker" "inspect" "f6a7bf589bcac7b32acc0cf8bfa1eb528e464abe6507bd66514f3726467f4936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a7bf589bcac7b32acc0cf8bfa1eb528e464abe6507bd66514f3726467f4936", kill_on_drop: false }`
[INFO] [stdout] f6a7bf589bcac7b32acc0cf8bfa1eb528e464abe6507bd66514f3726467f4936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9cb23673684a722f4512a16b444cfd989c172f36eadb640e486f0407fa96582c
[INFO] running `Command { std: "docker" "start" "-a" "9cb23673684a722f4512a16b444cfd989c172f36eadb640e486f0407fa96582c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/err_handling-7684cd9880f9c09d)
[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" "9cb23673684a722f4512a16b444cfd989c172f36eadb640e486f0407fa96582c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb23673684a722f4512a16b444cfd989c172f36eadb640e486f0407fa96582c", kill_on_drop: false }`
[INFO] [stdout] 9cb23673684a722f4512a16b444cfd989c172f36eadb640e486f0407fa96582c