[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafaignaulin%2Fkruskal_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/rafaignaulin/kruskal_rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-6/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rs-graph v0.19.2
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 877f528a80be4c7dc41b1d94eabd5d262c64199f3707b20b3557e675369f1f31
[INFO] running `Command { std: "docker" "start" "-a" "877f528a80be4c7dc41b1d94eabd5d262c64199f3707b20b3557e675369f1f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "877f528a80be4c7dc41b1d94eabd5d262c64199f3707b20b3557e675369f1f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877f528a80be4c7dc41b1d94eabd5d262c64199f3707b20b3557e675369f1f31", kill_on_drop: false }`
[INFO] [stdout] 877f528a80be4c7dc41b1d94eabd5d262c64199f3707b20b3557e675369f1f31
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332166fe2fca336415ff920f0fbae2d6e34851342e24044aa246285e8f1bb042
[INFO] running `Command { std: "docker" "start" "-a" "332166fe2fca336415ff920f0fbae2d6e34851342e24044aa246285e8f1bb042", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 5.25s
[INFO] running `Command { std: "docker" "inspect" "332166fe2fca336415ff920f0fbae2d6e34851342e24044aa246285e8f1bb042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332166fe2fca336415ff920f0fbae2d6e34851342e24044aa246285e8f1bb042", kill_on_drop: false }`
[INFO] [stdout] 332166fe2fca336415ff920f0fbae2d6e34851342e24044aa246285e8f1bb042
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7bdbfb3a97f923e0dfd3d5221a041db431cac86a9d0cd2f792e3035d89c4f1
[INFO] running `Command { std: "docker" "start" "-a" "0a7bdbfb3a97f923e0dfd3d5221a041db431cac86a9d0cd2f792e3035d89c4f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling kruskal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0a7bdbfb3a97f923e0dfd3d5221a041db431cac86a9d0cd2f792e3035d89c4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7bdbfb3a97f923e0dfd3d5221a041db431cac86a9d0cd2f792e3035d89c4f1", kill_on_drop: false }`
[INFO] [stdout] 0a7bdbfb3a97f923e0dfd3d5221a041db431cac86a9d0cd2f792e3035d89c4f1
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d119939a20011c12f38ae3130b80ad8908de5a8667d2c96e2bc76f6fd7a20ed2
[INFO] running `Command { std: "docker" "start" "-a" "d119939a20011c12f38ae3130b80ad8908de5a8667d2c96e2bc76f6fd7a20ed2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kruskal-c2895f3014b1cabe)
[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" "d119939a20011c12f38ae3130b80ad8908de5a8667d2c96e2bc76f6fd7a20ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d119939a20011c12f38ae3130b80ad8908de5a8667d2c96e2bc76f6fd7a20ed2", kill_on_drop: false }`
[INFO] [stdout] d119939a20011c12f38ae3130b80ad8908de5a8667d2c96e2bc76f6fd7a20ed2