[INFO] cloning repository https://github.com/rafaignaulin/kruskal_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rafaignaulin/kruskal_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafaignaulin%2Fkruskal_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafaignaulin%2Fkruskal_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8ce24c922f5e69e8898a5c4ebb3f1fa7e649a3a
[INFO] testing rafaignaulin/kruskal_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%2Frafaignaulin%2Fkruskal_rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rafaignaulin/kruskal_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/rafaignaulin/kruskal_rust
[INFO] finished tweaking git repo https://github.com/rafaignaulin/kruskal_rust
[INFO] tweaked toml for git repo https://github.com/rafaignaulin/kruskal_rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rafaignaulin/kruskal_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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ed6ef608935319ce14083cf011cf41d7f433843b9cc2ba3e854ea9a2d286a044
[INFO] running `Command { std: "docker" "start" "-a" "ed6ef608935319ce14083cf011cf41d7f433843b9cc2ba3e854ea9a2d286a044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6ef608935319ce14083cf011cf41d7f433843b9cc2ba3e854ea9a2d286a044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6ef608935319ce14083cf011cf41d7f433843b9cc2ba3e854ea9a2d286a044", kill_on_drop: false }`
[INFO] [stdout] ed6ef608935319ce14083cf011cf41d7f433843b9cc2ba3e854ea9a2d286a044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 79861887839ec8b02c79a8db66a93c4c748e36f559ab1508f04544bde1166bca
[INFO] running `Command { std: "docker" "start" "-a" "79861887839ec8b02c79a8db66a93c4c748e36f559ab1508f04544bde1166bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rs-graph v0.19.2
[INFO] [stderr]    Compiling kruskal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "79861887839ec8b02c79a8db66a93c4c748e36f559ab1508f04544bde1166bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79861887839ec8b02c79a8db66a93c4c748e36f559ab1508f04544bde1166bca", kill_on_drop: false }`
[INFO] [stdout] 79861887839ec8b02c79a8db66a93c4c748e36f559ab1508f04544bde1166bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 55cbb4350b277feb50b3eaf0c6db9365d4e021623a55b13563610ef33f9be77f
[INFO] running `Command { std: "docker" "start" "-a" "55cbb4350b277feb50b3eaf0c6db9365d4e021623a55b13563610ef33f9be77f", kill_on_drop: false }`
[INFO] [stderr]    Compiling kruskal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/kruskal-90a3f972edee805b)
[INFO] running `Command { std: "docker" "inspect" "55cbb4350b277feb50b3eaf0c6db9365d4e021623a55b13563610ef33f9be77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55cbb4350b277feb50b3eaf0c6db9365d4e021623a55b13563610ef33f9be77f", kill_on_drop: false }`
[INFO] [stdout] 55cbb4350b277feb50b3eaf0c6db9365d4e021623a55b13563610ef33f9be77f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a108e8ccc66426b673db1418711b3080522c9e9e11c0e514cc511a884bd7e035
[INFO] running `Command { std: "docker" "start" "-a" "a108e8ccc66426b673db1418711b3080522c9e9e11c0e514cc511a884bd7e035", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kruskal-90a3f972edee805b)
[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" "a108e8ccc66426b673db1418711b3080522c9e9e11c0e514cc511a884bd7e035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a108e8ccc66426b673db1418711b3080522c9e9e11c0e514cc511a884bd7e035", kill_on_drop: false }`
[INFO] [stdout] a108e8ccc66426b673db1418711b3080522c9e9e11c0e514cc511a884bd7e035