[INFO] crate illist 0.1.0 is already in cache
[INFO] testing illist-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate illist 0.1.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate illist 0.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate illist 0.1.0
[INFO] finished tweaking crates.io crate illist 0.1.0
[INFO] tweaked toml for crates.io crate illist 0.1.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4062e1a49a1dac0e2e50f43eb92209ad73b75cc06d69a3ec693ebf81f698e447
[INFO] running `"docker" "start" "-a" "4062e1a49a1dac0e2e50f43eb92209ad73b75cc06d69a3ec693ebf81f698e447"`
[INFO] [stderr]    Compiling illist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/node.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn empty(prev: Id, next: Id) -> Node<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 0.27s
[INFO] running `"docker" "inspect" "4062e1a49a1dac0e2e50f43eb92209ad73b75cc06d69a3ec693ebf81f698e447"`
[INFO] running `"docker" "rm" "-f" "4062e1a49a1dac0e2e50f43eb92209ad73b75cc06d69a3ec693ebf81f698e447"`
[INFO] [stdout] 4062e1a49a1dac0e2e50f43eb92209ad73b75cc06d69a3ec693ebf81f698e447
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5e6a06c3117fa6bc3ce79b71340257acae008692dae1b1a3ff813e7aea485072
[INFO] running `"docker" "start" "-a" "5e6a06c3117fa6bc3ce79b71340257acae008692dae1b1a3ff813e7aea485072"`
[INFO] [stderr]    Compiling illist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `empty`
[INFO] [stderr]   --> src/node.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn empty(prev: Id, next: Id) -> Node<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 0.50s
[INFO] running `"docker" "inspect" "5e6a06c3117fa6bc3ce79b71340257acae008692dae1b1a3ff813e7aea485072"`
[INFO] running `"docker" "rm" "-f" "5e6a06c3117fa6bc3ce79b71340257acae008692dae1b1a3ff813e7aea485072"`
[INFO] [stdout] 5e6a06c3117fa6bc3ce79b71340257acae008692dae1b1a3ff813e7aea485072
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 53b538ef95e8cf34c9f59e1a5720cf3d39bdbef1244ff19c5bf493d71c03f6a2
[INFO] running `"docker" "start" "-a" "53b538ef95e8cf34c9f59e1a5720cf3d39bdbef1244ff19c5bf493d71c03f6a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/illist-9a86db3ac9ca979e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::pop ... ok
[INFO] [stdout] test tests::push_pop ... ok
[INFO] [stdout] test tests::push_back ... ok
[INFO] [stdout] test tests::unordered_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests illist
[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" "53b538ef95e8cf34c9f59e1a5720cf3d39bdbef1244ff19c5bf493d71c03f6a2"`
[INFO] running `"docker" "rm" "-f" "53b538ef95e8cf34c9f59e1a5720cf3d39bdbef1244ff19c5bf493d71c03f6a2"`
[INFO] [stdout] 53b538ef95e8cf34c9f59e1a5720cf3d39bdbef1244ff19c5bf493d71c03f6a2