[INFO] cloning repository scrogson/linked-list-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/scrogson/linked-list-rs.git" "work/cache/sources/gh/scrogson/linked-list-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/scrogson/linked-list-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/linked-list-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scrogson/linked-list-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scrogson/linked-list-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/linked-list-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scrogson/linked-list-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scrogson/linked-list-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4a8134bc9afc1068719ca9e77705406fbb2f8fc
[INFO] sha for GitHub repo scrogson/linked-list-rs: f4a8134bc9afc1068719ca9e77705406fbb2f8fc
[INFO] validating manifest of scrogson/linked-list-rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scrogson/linked-list-rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scrogson/linked-list-rs
[INFO] finished frobbing scrogson/linked-list-rs
[INFO] frobbed toml for scrogson/linked-list-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scrogson/linked-list-rs/Cargo.toml
[INFO] started frobbing scrogson/linked-list-rs
[INFO] finished frobbing scrogson/linked-list-rs
[INFO] frobbed toml for scrogson/linked-list-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/scrogson/linked-list-rs/Cargo.toml
[INFO] crate scrogson/linked-list-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing scrogson/linked-list-rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scrogson/linked-list-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] c6fa4acf859ab494b0b396e4956da96018034246d1281bafd338c5af58776dd7
[INFO] running `"docker" "start" "-a" "c6fa4acf859ab494b0b396e4956da96018034246d1281bafd338c5af58776dd7"`
[INFO] [stderr]    Compiling linked-list-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `elem`
[INFO] [stderr]   --> src/fourth.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     elem: T,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "c6fa4acf859ab494b0b396e4956da96018034246d1281bafd338c5af58776dd7"`
[INFO] running `"docker" "rm" "-f" "c6fa4acf859ab494b0b396e4956da96018034246d1281bafd338c5af58776dd7"`
[INFO] [stdout] c6fa4acf859ab494b0b396e4956da96018034246d1281bafd338c5af58776dd7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scrogson/linked-list-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] bb9496ad540d171358b17d69d0f8c38f8016a5b03fffa9c2dbaac88787b29bf6
[INFO] running `"docker" "start" "-a" "bb9496ad540d171358b17d69d0f8c38f8016a5b03fffa9c2dbaac88787b29bf6"`
[INFO] [stderr]    Compiling linked-list-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `elem`
[INFO] [stderr]   --> src/fourth.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     elem: T,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "bb9496ad540d171358b17d69d0f8c38f8016a5b03fffa9c2dbaac88787b29bf6"`
[INFO] running `"docker" "rm" "-f" "bb9496ad540d171358b17d69d0f8c38f8016a5b03fffa9c2dbaac88787b29bf6"`
[INFO] [stdout] bb9496ad540d171358b17d69d0f8c38f8016a5b03fffa9c2dbaac88787b29bf6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/scrogson/linked-list-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 2f32103dff677ee3e2284050b96d15de086563fd0c0484dad8bf75d0e61b1acd
[INFO] running `"docker" "start" "-a" "2f32103dff677ee3e2284050b96d15de086563fd0c0484dad8bf75d0e61b1acd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linked_list_rs-bc8b24f0db51e033
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test third::tests::iter ... ok
[INFO] [stdout] test third::tests::basics ... ok
[INFO] [stdout] test second::tests::iter_mut ... ok
[INFO] [stdout] test second::tests::iter ... ok
[INFO] [stdout] test second::tests::into_iter ... ok
[INFO] [stdout] test second::tests::basics ... ok
[INFO] [stdout] test first::tests::basics ... ok
[INFO] [stdout] test second::tests::peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linked-list-rs
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f32103dff677ee3e2284050b96d15de086563fd0c0484dad8bf75d0e61b1acd"`
[INFO] running `"docker" "rm" "-f" "2f32103dff677ee3e2284050b96d15de086563fd0c0484dad8bf75d0e61b1acd"`
[INFO] [stdout] 2f32103dff677ee3e2284050b96d15de086563fd0c0484dad8bf75d0e61b1acd