[INFO] updating cached repository https://github.com/lalaithion/errorcorrection
[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] 740c0b708c0158a7c86cfa9fc78375afaf523807
[INFO] testing lalaithion/errorcorrection against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flalaithion%2Ferrorcorrection" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lalaithion/errorcorrection 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 git repo https://github.com/lalaithion/errorcorrection
[INFO] finished tweaking git repo https://github.com/lalaithion/errorcorrection
[INFO] tweaked toml for git repo https://github.com/lalaithion/errorcorrection written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lalaithion/errorcorrection already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] f72639e37b6ed7b063722264a6d324c7788c786c759fae1007d7c128fc04fcd7
[INFO] running `"docker" "start" "-a" "f72639e37b6ed7b063722264a6d324c7788c786c759fae1007d7c128fc04fcd7"`
[INFO] [stderr]    Compiling eccfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type alias is never used: `MatchWords`
[INFO] [stderr]   --> src/bitvec.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | type MatchWords<'a> = Chain<Enumerate<Blocks<'a>>, Skip<Take<Enumerate<Repeat<u32>>>>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "f72639e37b6ed7b063722264a6d324c7788c786c759fae1007d7c128fc04fcd7"`
[INFO] running `"docker" "rm" "-f" "f72639e37b6ed7b063722264a6d324c7788c786c759fae1007d7c128fc04fcd7"`
[INFO] [stdout] f72639e37b6ed7b063722264a6d324c7788c786c759fae1007d7c128fc04fcd7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 41fba7478db4bb445bb7aa3eac5ad27653127665c317d7a7184a69da5bb12855
[INFO] running `"docker" "start" "-a" "41fba7478db4bb445bb7aa3eac5ad27653127665c317d7a7184a69da5bb12855"`
[INFO] [stderr]    Compiling eccfile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/hamming.rs:377:14
[INFO] [stderr]     |
[INFO] [stderr] 377 |         let (i, result) = arrange(&plain, i, 3);
[INFO] [stderr]     |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `MatchWords`
[INFO] [stderr]   --> src/bitvec.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | type MatchWords<'a> = Chain<Enumerate<Blocks<'a>>, Skip<Take<Enumerate<Repeat<u32>>>>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "41fba7478db4bb445bb7aa3eac5ad27653127665c317d7a7184a69da5bb12855"`
[INFO] running `"docker" "rm" "-f" "41fba7478db4bb445bb7aa3eac5ad27653127665c317d7a7184a69da5bb12855"`
[INFO] [stdout] 41fba7478db4bb445bb7aa3eac5ad27653127665c317d7a7184a69da5bb12855
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 9bbd5a7e9f35b466451ce4a8b761ccd06f4c09f461ca1656657b3e15d4d2285b
[INFO] running `"docker" "start" "-a" "9bbd5a7e9f35b466451ce4a8b761ccd06f4c09f461ca1656657b3e15d4d2285b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/eccfile-f3da25693d745329
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test hamming::tests::append_works ... ok
[INFO] [stdout] test hamming::tests::arrange_simple ... ok
[INFO] [stdout] test hamming::tests::check_errors ... ok
[INFO] [stdout] test hamming::tests::assemble_simple ... ok
[INFO] [stdout] test hamming::tests::check_full ... ok
[INFO] [stdout] test hamming::tests::check_null ... ok
[INFO] [stdout] test hamming::tests::check_perfect ... ok
[INFO] [stdout] test hamming::tests::parity_simple ... ok
[INFO] [stdout] test hamming::tests::power_of_two_works ... ok
[INFO] [stdout] test multiple::tests::encoding ... ok
[INFO] [stdout] test multiple::tests::error_correction ... ok
[INFO] [stdout] test multiple::tests::inverse ... ok
[INFO] [stdout] test hamming::tests::inverse ... ok
[INFO] [stdout] test multiple::tests::error_detection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9bbd5a7e9f35b466451ce4a8b761ccd06f4c09f461ca1656657b3e15d4d2285b"`
[INFO] running `"docker" "rm" "-f" "9bbd5a7e9f35b466451ce4a8b761ccd06f4c09f461ca1656657b3e15d4d2285b"`
[INFO] [stdout] 9bbd5a7e9f35b466451ce4a8b761ccd06f4c09f461ca1656657b3e15d4d2285b