[INFO] crate chords 0.1.93 is already in cache
[INFO] extracting crate chords 0.1.93 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/chords/0.1.93
[INFO] extracting crate chords 0.1.93 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/chords/0.1.93
[INFO] validating manifest of chords-0.1.93 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chords-0.1.93 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chords-0.1.93
[INFO] finished frobbing chords-0.1.93
[INFO] frobbed toml for chords-0.1.93 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/chords/0.1.93/Cargo.toml
[INFO] started frobbing chords-0.1.93
[INFO] finished frobbing chords-0.1.93
[INFO] frobbed toml for chords-0.1.93 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/chords/0.1.93/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking chords-0.1.93 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-2/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/chords/0.1.93:/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7eecb9fe88b97668b4bb3e12355854ea17ddd7b43416486c85134adeab43bf3f
[INFO] running `"docker" "start" "-a" "7eecb9fe88b97668b4bb3e12355854ea17ddd7b43416486c85134adeab43bf3f"`
[INFO] [stderr]     Checking chords v0.1.93 (/opt/crater/workdir)
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/scale.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 |     v.push(('a', 0));   /// a
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/scale.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     v.push(('a', 1));   /// a sharp
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/scale.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 |     v.push(('b', 0));   /// b
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |     v.push(('c', 0));   /// c
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     v.push(('c', 1));   /// c sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     v.push(('d', 0));   /// d
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     v.push(('d', 1));   /// d sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     v.push(('e', 0));   /// e
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     v.push(('f', 0));   /// f 
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:16:25
[INFO] [stderr]    |
[INFO] [stderr] 16 |     v.push(('f', 1));   /// f sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |     v.push(('g', 0));   /// g
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     v.push(('g', 1));   /// g sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ///Return notes filtered by scale
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/scale.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 |     v.push(('a', 0));   /// a
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/scale.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 |     v.push(('a', 1));   /// a sharp
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/scale.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 |     v.push(('b', 0));   /// b
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |     v.push(('c', 0));   /// c
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     v.push(('c', 1));   /// c sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     v.push(('d', 0));   /// d
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     v.push(('d', 1));   /// d sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     v.push(('e', 0));   /// e
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     v.push(('f', 0));   /// f 
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:16:25
[INFO] [stderr]    |
[INFO] [stderr] 16 |     v.push(('f', 1));   /// f sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |     v.push(('g', 0));   /// g
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/scale.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     v.push(('g', 1));   /// g sharp
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ///Return notes filtered by scale
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `added` is never read
[INFO] [stderr]   --> src/attribute.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 added = true;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `added` is never read
[INFO] [stderr]   --> src/attribute.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 added = true;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `added` is never read
[INFO] [stderr]   --> src/attribute.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 added = true;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `added` is never read
[INFO] [stderr]   --> src/attribute.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 added = true;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     ///defaults
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     ///defaults
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "7eecb9fe88b97668b4bb3e12355854ea17ddd7b43416486c85134adeab43bf3f"`
[INFO] running `"docker" "rm" "-f" "7eecb9fe88b97668b4bb3e12355854ea17ddd7b43416486c85134adeab43bf3f"`
[INFO] [stdout] 7eecb9fe88b97668b4bb3e12355854ea17ddd7b43416486c85134adeab43bf3f