[INFO] cloning repository https://github.com/drconopoima/linked-list-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drconopoima/linked-list-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrconopoima%2Flinked-list-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrconopoima%2Flinked-list-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75742fb3f6b2b6ef34d9bdc1f619bf746baebbc1
[INFO] testing drconopoima/linked-list-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrconopoima%2Flinked-list-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/drconopoima/linked-list-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drconopoima/linked-list-rust
[INFO] finished tweaking git repo https://github.com/drconopoima/linked-list-rust
[INFO] tweaked toml for git repo https://github.com/drconopoima/linked-list-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/drconopoima/linked-list-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dd0c5966f29400a742ac83aaf37c6e32c89afb67ff63a719991892410eab579
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9dd0c5966f29400a742ac83aaf37c6e32c89afb67ff63a719991892410eab579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd0c5966f29400a742ac83aaf37c6e32c89afb67ff63a719991892410eab579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd0c5966f29400a742ac83aaf37c6e32c89afb67ff63a719991892410eab579", kill_on_drop: false }`
[INFO] [stdout] 9dd0c5966f29400a742ac83aaf37c6e32c89afb67ff63a719991892410eab579
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66aef97f9245afc07f4952cd2e0b9d2c5eb63075ab9c68254f9c076f69b6d958
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66aef97f9245afc07f4952cd2e0b9d2c5eb63075ab9c68254f9c076f69b6d958", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-list-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "66aef97f9245afc07f4952cd2e0b9d2c5eb63075ab9c68254f9c076f69b6d958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66aef97f9245afc07f4952cd2e0b9d2c5eb63075ab9c68254f9c076f69b6d958", kill_on_drop: false }`
[INFO] [stdout] 66aef97f9245afc07f4952cd2e0b9d2c5eb63075ab9c68254f9c076f69b6d958
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f39b107189fd98e3a4f822ffb5f847f51854a439eaff44c8043ec632c700f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0f39b107189fd98e3a4f822ffb5f847f51854a439eaff44c8043ec632c700f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-list-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "f0f39b107189fd98e3a4f822ffb5f847f51854a439eaff44c8043ec632c700f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f39b107189fd98e3a4f822ffb5f847f51854a439eaff44c8043ec632c700f1", kill_on_drop: false }`
[INFO] [stdout] f0f39b107189fd98e3a4f822ffb5f847f51854a439eaff44c8043ec632c700f1
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c03e886548b98e133935889f4773ba1a67b85773fa568744927d7b9250ba6f79
[INFO] running `Command { std: "docker" "start" "-a" "c03e886548b98e133935889f4773ba1a67b85773fa568744927d7b9250ba6f79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linked_list_rust-ccdd7eaec298764c)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test fourth::test::peek ... ok
[INFO] [stdout] test second::tests::into_iter ... ok
[INFO] [stdout] test second::tests::peek ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] test fourth::test::basics ... ok
[INFO] [stdout] test second::tests::basics ... ok
[INFO] [stdout] test second::tests::iter_mut ... ok
[INFO] [stdout] test second::tests::iter ... ok
[INFO] [stderr]    Doc-tests linked-list-rust
[INFO] [stdout] test fourth::test::into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "c03e886548b98e133935889f4773ba1a67b85773fa568744927d7b9250ba6f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03e886548b98e133935889f4773ba1a67b85773fa568744927d7b9250ba6f79", kill_on_drop: false }`
[INFO] [stdout] c03e886548b98e133935889f4773ba1a67b85773fa568744927d7b9250ba6f79