[INFO] crate slacs-core 0.0.0 is already in cache
[INFO] testing slacs-core-0.0.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate slacs-core 0.0.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate slacs-core 0.0.0 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 slacs-core 0.0.0
[INFO] finished tweaking crates.io crate slacs-core 0.0.0
[INFO] tweaked toml for crates.io crate slacs-core 0.0.0 written to work/builds/worker-7/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-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] 40366a9a8a50c133ed14e106c9ec198158e551ae1384ad9192dc19e34c53aa52
[INFO] running `"docker" "start" "-a" "40366a9a8a50c133ed14e106c9ec198158e551ae1384ad9192dc19e34c53aa52"`
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling bytecount v0.1.7
[INFO] [stderr]    Compiling gapbuffer v0.1.1
[INFO] [stderr]    Compiling xi-unicode v0.0.1
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling error-chain v0.2.2
[INFO] [stderr]    Compiling serde_json v0.7.4
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling xi-rope v0.1.1
[INFO] [stderr]    Compiling slog v0.7.0
[INFO] [stderr]    Compiling slog-serde v0.7.0
[INFO] [stderr]    Compiling slog-term v0.7.0
[INFO] [stderr]    Compiling slog-json v0.7.0
[INFO] [stderr]    Compiling slacs-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `MarkPosition`
[INFO] [stderr]   --> src/slacs/marks.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct MarkPosition {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/slacs/marks.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new() -> MarkPosition {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cursor`
[INFO] [stderr]   --> src/slacs/marks.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Cursor(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DisplayMark`
[INFO] [stderr]   --> src/slacs/marks.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     DisplayMark(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "40366a9a8a50c133ed14e106c9ec198158e551ae1384ad9192dc19e34c53aa52"`
[INFO] running `"docker" "rm" "-f" "40366a9a8a50c133ed14e106c9ec198158e551ae1384ad9192dc19e34c53aa52"`
[INFO] [stdout] 40366a9a8a50c133ed14e106c9ec198158e551ae1384ad9192dc19e34c53aa52
[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] 8e11cb1308f8532bacff1d1072296885b170467e0fb0486d1f9427a62d3b1692
[INFO] running `"docker" "start" "-a" "8e11cb1308f8532bacff1d1072296885b170467e0fb0486d1f9427a62d3b1692"`
[INFO] [stderr]    Compiling slacs-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `MarkPosition`
[INFO] [stderr]   --> src/slacs/marks.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct MarkPosition {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/slacs/marks.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new() -> MarkPosition {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cursor`
[INFO] [stderr]   --> src/slacs/marks.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Cursor(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DisplayMark`
[INFO] [stderr]   --> src/slacs/marks.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     DisplayMark(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "8e11cb1308f8532bacff1d1072296885b170467e0fb0486d1f9427a62d3b1692"`
[INFO] running `"docker" "rm" "-f" "8e11cb1308f8532bacff1d1072296885b170467e0fb0486d1f9427a62d3b1692"`
[INFO] [stdout] 8e11cb1308f8532bacff1d1072296885b170467e0fb0486d1f9427a62d3b1692
[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] 6db057bcd1d22df469175502a0bd6cca1300a28fa3f9f51fb0f495606c9995c5
[INFO] running `"docker" "start" "-a" "6db057bcd1d22df469175502a0bd6cca1300a28fa3f9f51fb0f495606c9995c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slacs-00eeaf478d72ecd4
[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" "6db057bcd1d22df469175502a0bd6cca1300a28fa3f9f51fb0f495606c9995c5"`
[INFO] running `"docker" "rm" "-f" "6db057bcd1d22df469175502a0bd6cca1300a28fa3f9f51fb0f495606c9995c5"`
[INFO] [stdout] 6db057bcd1d22df469175502a0bd6cca1300a28fa3f9f51fb0f495606c9995c5