[INFO] updating cached repository https://github.com/Lait-au-Cafe/estimate_automaton [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f7b865980d7dac7118c57eb745b70342142a0888 [INFO] testing Lait-au-Cafe/estimate_automaton against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FLait-au-Cafe%2Festimate_automaton" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lait-au-Cafe/estimate_automaton on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Lait-au-Cafe/estimate_automaton [INFO] finished tweaking git repo https://github.com/Lait-au-Cafe/estimate_automaton [INFO] tweaked toml for git repo https://github.com/Lait-au-Cafe/estimate_automaton written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Lait-au-Cafe/estimate_automaton already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] e19dac7a6b522faf5d87961d2b5bed778409396da482ec38c85e81076e7edc5a [INFO] running `"docker" "start" "-a" "e19dac7a6b522faf5d87961d2b5bed778409396da482ec38c85e81076e7edc5a"` [INFO] [stderr] Compiling libc v0.2.32 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling estimate_automaton v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:101:8 [INFO] [stderr] | [INFO] [stderr] 101 | let mut link_list = &mut list[*ptr as usize].link; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.12s [INFO] running `"docker" "inspect" "e19dac7a6b522faf5d87961d2b5bed778409396da482ec38c85e81076e7edc5a"` [INFO] running `"docker" "rm" "-f" "e19dac7a6b522faf5d87961d2b5bed778409396da482ec38c85e81076e7edc5a"` [INFO] [stdout] e19dac7a6b522faf5d87961d2b5bed778409396da482ec38c85e81076e7edc5a [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 7705cb88a81922137977557778408e48536849e456f70a37ecd4bf6f9dd0b559 [INFO] running `"docker" "start" "-a" "7705cb88a81922137977557778408e48536849e456f70a37ecd4bf6f9dd0b559"` [INFO] [stderr] Compiling estimate_automaton v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:101:8 [INFO] [stderr] | [INFO] [stderr] 101 | let mut link_list = &mut list[*ptr as usize].link; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `"docker" "inspect" "7705cb88a81922137977557778408e48536849e456f70a37ecd4bf6f9dd0b559"` [INFO] running `"docker" "rm" "-f" "7705cb88a81922137977557778408e48536849e456f70a37ecd4bf6f9dd0b559"` [INFO] [stdout] 7705cb88a81922137977557778408e48536849e456f70a37ecd4bf6f9dd0b559 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 2c2871f3a8a4f8d002035810ba406822a18e380537c5038bf016c68cb8d075ba [INFO] running `"docker" "start" "-a" "2c2871f3a8a4f8d002035810ba406822a18e380537c5038bf016c68cb8d075ba"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/estimate_automaton-70db54eb8ef33e0a [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" "2c2871f3a8a4f8d002035810ba406822a18e380537c5038bf016c68cb8d075ba"` [INFO] running `"docker" "rm" "-f" "2c2871f3a8a4f8d002035810ba406822a18e380537c5038bf016c68cb8d075ba"` [INFO] [stdout] 2c2871f3a8a4f8d002035810ba406822a18e380537c5038bf016c68cb8d075ba