[INFO] cloning repository https://github.com/howeih/Day-11-Karatsuba-multiplication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-11-Karatsuba-multiplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-11-Karatsuba-multiplication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-11-Karatsuba-multiplication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46c3e82d6f9bac6cde4ac0e2f4b8be50efe57dd8
[INFO] testing howeih/Day-11-Karatsuba-multiplication 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%2Fhoweih%2FDay-11-Karatsuba-multiplication" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-11-Karatsuba-multiplication 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/howeih/Day-11-Karatsuba-multiplication
[INFO] finished tweaking git repo https://github.com/howeih/Day-11-Karatsuba-multiplication
[INFO] tweaked toml for git repo https://github.com/howeih/Day-11-Karatsuba-multiplication written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-11-Karatsuba-multiplication 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e110040c23416f706419d8e5cb40a152617edfec580936a253178ec7a96ed599
[INFO] running `Command { std: "docker" "start" "-a" "e110040c23416f706419d8e5cb40a152617edfec580936a253178ec7a96ed599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e110040c23416f706419d8e5cb40a152617edfec580936a253178ec7a96ed599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e110040c23416f706419d8e5cb40a152617edfec580936a253178ec7a96ed599", kill_on_drop: false }`
[INFO] [stdout] e110040c23416f706419d8e5cb40a152617edfec580936a253178ec7a96ed599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d0434b621655853552236d8fe7c0eafc1304b67a6ae1f4b5f2450b7b248413f0
[INFO] running `Command { std: "docker" "start" "-a" "d0434b621655853552236d8fe7c0eafc1304b67a6ae1f4b5f2450b7b248413f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling karatsuba_multiplication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "d0434b621655853552236d8fe7c0eafc1304b67a6ae1f4b5f2450b7b248413f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0434b621655853552236d8fe7c0eafc1304b67a6ae1f4b5f2450b7b248413f0", kill_on_drop: false }`
[INFO] [stdout] d0434b621655853552236d8fe7c0eafc1304b67a6ae1f4b5f2450b7b248413f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7368ac026c994a70c9c91ce0529c1a36ae8613f1c8fa88c42d1891923747ae08
[INFO] running `Command { std: "docker" "start" "-a" "7368ac026c994a70c9c91ce0529c1a36ae8613f1c8fa88c42d1891923747ae08", kill_on_drop: false }`
[INFO] [stderr]    Compiling karatsuba_multiplication 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/karatsuba_multiplication-0c082b89eb94049b)
[INFO] running `Command { std: "docker" "inspect" "7368ac026c994a70c9c91ce0529c1a36ae8613f1c8fa88c42d1891923747ae08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7368ac026c994a70c9c91ce0529c1a36ae8613f1c8fa88c42d1891923747ae08", kill_on_drop: false }`
[INFO] [stdout] 7368ac026c994a70c9c91ce0529c1a36ae8613f1c8fa88c42d1891923747ae08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7dc4d748abf59bdbb10e894214b05ea79d186aac20cea092ecaec68d4c054fd3
[INFO] running `Command { std: "docker" "start" "-a" "7dc4d748abf59bdbb10e894214b05ea79d186aac20cea092ecaec68d4c054fd3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/karatsuba_multiplication-0c082b89eb94049b)
[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" "7dc4d748abf59bdbb10e894214b05ea79d186aac20cea092ecaec68d4c054fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc4d748abf59bdbb10e894214b05ea79d186aac20cea092ecaec68d4c054fd3", kill_on_drop: false }`
[INFO] [stdout] 7dc4d748abf59bdbb10e894214b05ea79d186aac20cea092ecaec68d4c054fd3