[INFO] cloning repository https://github.com/alvaroclementev/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/alvaroclementev/too-many-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvaroclementev%2Ftoo-many-lists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvaroclementev%2Ftoo-many-lists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7911c46d7f4451d7f2013377c80d482cf0df6ff5
[INFO] testing alvaroclementev/too-many-lists against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvaroclementev%2Ftoo-many-lists" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvaroclementev/too-many-lists on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvaroclementev/too-many-lists
[INFO] finished tweaking git repo https://github.com/alvaroclementev/too-many-lists
[INFO] tweaked toml for git repo https://github.com/alvaroclementev/too-many-lists written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/alvaroclementev/too-many-lists already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca1b85e5adf2969066591ff5421fcf859c87b9f899273090c2875c4b6154f213
[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" "ca1b85e5adf2969066591ff5421fcf859c87b9f899273090c2875c4b6154f213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca1b85e5adf2969066591ff5421fcf859c87b9f899273090c2875c4b6154f213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1b85e5adf2969066591ff5421fcf859c87b9f899273090c2875c4b6154f213", kill_on_drop: false }`
[INFO] [stdout] ca1b85e5adf2969066591ff5421fcf859c87b9f899273090c2875c4b6154f213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffc226a21ee7bee403dfe330e5f31e1576234512f5f7d63d34db5f506482f4dd
[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" "ffc226a21ee7bee403dfe330e5f31e1576234512f5f7d63d34db5f506482f4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/fourth.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "ffc226a21ee7bee403dfe330e5f31e1576234512f5f7d63d34db5f506482f4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc226a21ee7bee403dfe330e5f31e1576234512f5f7d63d34db5f506482f4dd", kill_on_drop: false }`
[INFO] [stdout] ffc226a21ee7bee403dfe330e5f31e1576234512f5f7d63d34db5f506482f4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c00d03cff931693a8d9dd0b843c41f92bb20dfa8808f00a05b2eea9b2fd3f17
[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" "8c00d03cff931693a8d9dd0b843c41f92bb20dfa8808f00a05b2eea9b2fd3f17", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/fourth.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "8c00d03cff931693a8d9dd0b843c41f92bb20dfa8808f00a05b2eea9b2fd3f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c00d03cff931693a8d9dd0b843c41f92bb20dfa8808f00a05b2eea9b2fd3f17", kill_on_drop: false }`
[INFO] [stdout] 8c00d03cff931693a8d9dd0b843c41f92bb20dfa8808f00a05b2eea9b2fd3f17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 7952ae32adffd34e3e7acfcd374ce9559dff9b92320429a5bf5ff5a163879337
[INFO] running `Command { std: "docker" "start" "-a" "7952ae32adffd34e3e7acfcd374ce9559dff9b92320429a5bf5ff5a163879337", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stdout] 
[INFO] [stderr]   --> src/fourth.rs:28:8
[INFO] [stdout] running 16 tests
[INFO] [stderr]    |
[INFO] [stdout] test fifth::test::into_iter ... ok
[INFO] [stderr] 28 |     fn new() -> Self {
[INFO] [stdout] test fifth::test::iter ... ok
[INFO] [stderr]    |        ^^^
[INFO] [stdout] test fifth::test::iter_mut ... ok
[INFO] [stderr]    |
[INFO] [stdout] test fifth::test::miri_food ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stderr] 
[INFO] [stdout] test fourth::test::basics ... ok
[INFO] [stderr] warning: `lists` (lib) generated 1 warning
[INFO] [stdout] test fourth::test::into_iter ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] test fourth::test::peek ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lists-f59874101fa10a1f)
[INFO] [stderr]    Doc-tests lists
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] test fifth::test::basics ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 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" "7952ae32adffd34e3e7acfcd374ce9559dff9b92320429a5bf5ff5a163879337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7952ae32adffd34e3e7acfcd374ce9559dff9b92320429a5bf5ff5a163879337", kill_on_drop: false }`
[INFO] [stdout] 7952ae32adffd34e3e7acfcd374ce9559dff9b92320429a5bf5ff5a163879337