[INFO] cloning repository https://github.com/howeih/Day-62-Linked-list-cycle-detection [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-62-Linked-list-cycle-detection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-62-Linked-list-cycle-detection", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-62-Linked-list-cycle-detection'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c24eed6f1d2d7c5d48fa0d8e8677e4dfb7a4ad64 [INFO] testing howeih/Day-62-Linked-list-cycle-detection against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-62-Linked-list-cycle-detection" "/workspace/builds/worker-84/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection [INFO] finished tweaking git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection [INFO] tweaked toml for git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection written to /workspace/builds/worker-84/source/Cargo.toml [INFO] crate git repo https://github.com/howeih/Day-62-Linked-list-cycle-detection already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37dd7d24ae04f4a70fb5ee3e42c61347a3e61c2b423cb80e9c89aef5b16f0c79 [INFO] running `Command { std: "docker" "start" "-a" "37dd7d24ae04f4a70fb5ee3e42c61347a3e61c2b423cb80e9c89aef5b16f0c79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37dd7d24ae04f4a70fb5ee3e42c61347a3e61c2b423cb80e9c89aef5b16f0c79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37dd7d24ae04f4a70fb5ee3e42c61347a3e61c2b423cb80e9c89aef5b16f0c79", kill_on_drop: false }` [INFO] [stdout] 37dd7d24ae04f4a70fb5ee3e42c61347a3e61c2b423cb80e9c89aef5b16f0c79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99960d4c9cf0c3190b9f733df16747de28a2294cd11126cc7e707bdd8d7d305e [INFO] running `Command { std: "docker" "start" "-a" "99960d4c9cf0c3190b9f733df16747de28a2294cd11126cc7e707bdd8d7d305e", kill_on_drop: false }` [INFO] [stderr] Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "99960d4c9cf0c3190b9f733df16747de28a2294cd11126cc7e707bdd8d7d305e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99960d4c9cf0c3190b9f733df16747de28a2294cd11126cc7e707bdd8d7d305e", kill_on_drop: false }` [INFO] [stdout] 99960d4c9cf0c3190b9f733df16747de28a2294cd11126cc7e707bdd8d7d305e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2189a4ee6b7cd3f82707e015d168b10a417d2345c5f24c28acab7cf687497e1a [INFO] running `Command { std: "docker" "start" "-a" "2189a4ee6b7cd3f82707e015d168b10a417d2345c5f24c28acab7cf687497e1a", kill_on_drop: false }` [INFO] [stderr] Compiling linked_list_cycle_detection v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "2189a4ee6b7cd3f82707e015d168b10a417d2345c5f24c28acab7cf687497e1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2189a4ee6b7cd3f82707e015d168b10a417d2345c5f24c28acab7cf687497e1a", kill_on_drop: false }` [INFO] [stdout] 2189a4ee6b7cd3f82707e015d168b10a417d2345c5f24c28acab7cf687497e1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 562fd3131d287de3fe6589168da944547b9fe4acedabfa999371b6c9eee497aa [INFO] running `Command { std: "docker" "start" "-a" "562fd3131d287de3fe6589168da944547b9fe4acedabfa999371b6c9eee497aa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/linked_list_cycle_detection-28e0407757da89ae) [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" "562fd3131d287de3fe6589168da944547b9fe4acedabfa999371b6c9eee497aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "562fd3131d287de3fe6589168da944547b9fe4acedabfa999371b6c9eee497aa", kill_on_drop: false }` [INFO] [stdout] 562fd3131d287de3fe6589168da944547b9fe4acedabfa999371b6c9eee497aa