[INFO] crate waveform 0.3.2 is already in cache
[INFO] extracting crate waveform 0.3.2 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/waveform/0.3.2
[INFO] extracting crate waveform 0.3.2 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/waveform/0.3.2
[INFO] validating manifest of waveform-0.3.2 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of waveform-0.3.2 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing waveform-0.3.2
[INFO] finished frobbing waveform-0.3.2
[INFO] frobbed toml for waveform-0.3.2 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/waveform/0.3.2/Cargo.toml
[INFO] started frobbing waveform-0.3.2
[INFO] finished frobbing waveform-0.3.2
[INFO] frobbed toml for waveform-0.3.2 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/waveform/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking waveform-0.3.2 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/waveform/0.3.2:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fe992e0475b6ccb304de63da5a8204a291dfd018e9ee9eb7e009f8df61bd7fda
[INFO] running `"docker" "start" "-a" "fe992e0475b6ccb304de63da5a8204a291dfd018e9ee9eb7e009f8df61bd7fda"`
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking waveform v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `c1_is_scalar`
[INFO] [stderr]   --> src/misc.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut c1_is_scalar = false;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_c1_is_scalar`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2_is_scalar`
[INFO] [stderr]   --> src/misc.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut c2_is_scalar = false;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_c2_is_scalar`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/misc.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut c1_is_scalar = false;
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/misc.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut c2_is_scalar = false;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c1_is_scalar`
[INFO] [stderr]   --> src/misc.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut c1_is_scalar = false;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_c1_is_scalar`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2_is_scalar`
[INFO] [stderr]   --> src/misc.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut c2_is_scalar = false;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_c2_is_scalar`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/misc.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut c1_is_scalar = false;
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/misc.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut c2_is_scalar = false;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]   --> examples/multi.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut vec: Vec<u8> =
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/multi.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut vec: Vec<u8> =
[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] error: no variant `RGBA` on enum `waveform::Color`
[INFO] [stderr]   --> benches/render.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         Color::RGBA {
[INFO] [stderr]    |         ^^^^^^^^^^^ unknown variant
[INFO] [stderr] 
[INFO] [stderr] error: no variant `RGBA` on enum `waveform::Color`
[INFO] [stderr]   --> benches/render.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Color::RGBA {
[INFO] [stderr]    |         ^^^^^^^^^^^ unknown variant
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `waveform`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]   --> examples/binned.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let vec: Vec<u8> =
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fe992e0475b6ccb304de63da5a8204a291dfd018e9ee9eb7e009f8df61bd7fda"`
[INFO] running `"docker" "rm" "-f" "fe992e0475b6ccb304de63da5a8204a291dfd018e9ee9eb7e009f8df61bd7fda"`
[INFO] [stdout] fe992e0475b6ccb304de63da5a8204a291dfd018e9ee9eb7e009f8df61bd7fda