[INFO] crate waveform 0.3.2 is already in cache
[INFO] extracting crate waveform 0.3.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/waveform/0.3.2
[INFO] extracting crate waveform 0.3.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/waveform/0.3.2
[INFO] validating manifest of waveform-0.3.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of waveform-0.3.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/waveform/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing waveform-0.3.2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] e53d6dc80906578f9a3a8c55fe6af87fc3ccecad823d4556a0d29528844ae3a9
[INFO] running `"docker" "start" "-a" "e53d6dc80906578f9a3a8c55fe6af87fc3ccecad823d4556a0d29528844ae3a9"`
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "e53d6dc80906578f9a3a8c55fe6af87fc3ccecad823d4556a0d29528844ae3a9"`
[INFO] running `"docker" "rm" "-f" "e53d6dc80906578f9a3a8c55fe6af87fc3ccecad823d4556a0d29528844ae3a9"`
[INFO] [stdout] e53d6dc80906578f9a3a8c55fe6af87fc3ccecad823d4556a0d29528844ae3a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e9bf5ccac29e03e69a3a29c08c420f31c57c6693faa35168f419fad9f7d252f2
[INFO] running `"docker" "start" "-a" "e9bf5ccac29e03e69a3a29c08c420f31c57c6693faa35168f419fad9f7d252f2"`
[INFO] [stderr]    Compiling waveform v0.3.2 (/opt/crater/workdir)
[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] 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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "e9bf5ccac29e03e69a3a29c08c420f31c57c6693faa35168f419fad9f7d252f2"`
[INFO] running `"docker" "rm" "-f" "e9bf5ccac29e03e69a3a29c08c420f31c57c6693faa35168f419fad9f7d252f2"`
[INFO] [stdout] e9bf5ccac29e03e69a3a29c08c420f31c57c6693faa35168f419fad9f7d252f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] ffcbacb0dd364f52af3dcce03657279a1f68cde4ba1163b0dfdd107da4cebe65
[INFO] running `"docker" "start" "-a" "ffcbacb0dd364f52af3dcce03657279a1f68cde4ba1163b0dfdd107da4cebe65"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/waveform-baa865dc541c5249
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test multi::tests::markers ... ok
[INFO] [stdout] test binned::tests::markers ... ok
[INFO] [stdout] test multi::tests::multi ... ok
[INFO] [stdout] test binned::tests::render_vec_and_write_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests waveform
[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" "ffcbacb0dd364f52af3dcce03657279a1f68cde4ba1163b0dfdd107da4cebe65"`
[INFO] running `"docker" "rm" "-f" "ffcbacb0dd364f52af3dcce03657279a1f68cde4ba1163b0dfdd107da4cebe65"`
[INFO] [stdout] ffcbacb0dd364f52af3dcce03657279a1f68cde4ba1163b0dfdd107da4cebe65