[INFO] cloning repository https://github.com/cc13446/too_many_lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cc13446/too_many_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dde4e032afea089169d8020bf72f643710cb1bfb
[INFO] testing cc13446/too_many_lists against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cc13446/too_many_lists on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cc13446/too_many_lists
[INFO] finished tweaking git repo https://github.com/cc13446/too_many_lists
[INFO] tweaked toml for git repo https://github.com/cc13446/too_many_lists written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cc13446/too_many_lists already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing cc13446/too_many_lists against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cc13446/too_many_lists on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cc13446/too_many_lists
[INFO] finished tweaking git repo https://github.com/cc13446/too_many_lists
[INFO] tweaked toml for git repo https://github.com/cc13446/too_many_lists written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cc13446/too_many_lists already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f674654ea2b666af9154e97ff9951ac7f7e6db03869d487befd25cdce791353
[INFO] running `Command { std: "docker" "start" "-a" "4f674654ea2b666af9154e97ff9951ac7f7e6db03869d487befd25cdce791353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f674654ea2b666af9154e97ff9951ac7f7e6db03869d487befd25cdce791353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f674654ea2b666af9154e97ff9951ac7f7e6db03869d487befd25cdce791353", kill_on_drop: false }`
[INFO] [stdout] 4f674654ea2b666af9154e97ff9951ac7f7e6db03869d487befd25cdce791353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 021679d32264b2f2435bb6043cc874d9ff100c0d28e307c95e8aeae2e10ea860
[INFO] running `Command { std: "docker" "start" "-a" "021679d32264b2f2435bb6043cc874d9ff100c0d28e307c95e8aeae2e10ea860", kill_on_drop: false }`
[INFO] [stderr]    Compiling too_many_lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::first::List`
[INFO] [stdout]   --> src/first.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use crate::first::List;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::second::List`
[INFO] [stdout]    --> src/second.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use crate::second::List;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "021679d32264b2f2435bb6043cc874d9ff100c0d28e307c95e8aeae2e10ea860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021679d32264b2f2435bb6043cc874d9ff100c0d28e307c95e8aeae2e10ea860", kill_on_drop: false }`
[INFO] [stdout] 021679d32264b2f2435bb6043cc874d9ff100c0d28e307c95e8aeae2e10ea860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2682a02693295f69bb294798de29ec296eeb19887264b799c5c478bf128ebba6
[INFO] running `Command { std: "docker" "start" "-a" "2682a02693295f69bb294798de29ec296eeb19887264b799c5c478bf128ebba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling too_many_lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::first::List`
[INFO] [stdout]   --> src/first.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use crate::first::List;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::second::List`
[INFO] [stdout]    --> src/second.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use crate::second::List;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "2682a02693295f69bb294798de29ec296eeb19887264b799c5c478bf128ebba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2682a02693295f69bb294798de29ec296eeb19887264b799c5c478bf128ebba6", kill_on_drop: false }`
[INFO] [stdout] 2682a02693295f69bb294798de29ec296eeb19887264b799c5c478bf128ebba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83199acdaa778b7fc98aa2f6fa1072c329c93f4437c621ffb8af63d0bd08b26c
[INFO] running `Command { std: "docker" "start" "-a" "83199acdaa778b7fc98aa2f6fa1072c329c93f4437c621ffb8af63d0bd08b26c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::first::List`
[INFO] [stdout] 
[INFO] [stderr]   --> src/first.rs:51:9
[INFO] [stdout] running 15 tests
[INFO] [stderr]    |
[INFO] [stderr] 51 |     use crate::first::List;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::second::List`
[INFO] [stderr]    --> src/second.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     use crate::second::List;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `too_many_lists` (lib) generated 2 warnings (run `cargo fix --lib -p too_many_lists` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/too_many_lists-7e274b32866cb036)
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test fourth::test::into_iter ... ok
[INFO] [stdout] test fifth::test::iter_mut ... ok
[INFO] [stdout] test fifth::test::basics ... ok
[INFO] [stdout] test fifth::test::iter ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test fifth::test::into_iter ... ok
[INFO] [stdout] test fourth::test::peek ... ok
[INFO] [stdout] test fourth::test::basics ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] test third::test::baiscs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/too_many_lists-5f1e5234eab05d17)
[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] [stderr]    Doc-tests too_many_lists
[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" "83199acdaa778b7fc98aa2f6fa1072c329c93f4437c621ffb8af63d0bd08b26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83199acdaa778b7fc98aa2f6fa1072c329c93f4437c621ffb8af63d0bd08b26c", kill_on_drop: false }`
[INFO] [stdout] 83199acdaa778b7fc98aa2f6fa1072c329c93f4437c621ffb8af63d0bd08b26c
