[INFO] crate plotlib 0.3.0 is already in cache
[INFO] extracting crate plotlib 0.3.0 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/plotlib/0.3.0
[INFO] extracting crate plotlib 0.3.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/plotlib/0.3.0
[INFO] validating manifest of plotlib-0.3.0 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 plotlib-0.3.0 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 plotlib-0.3.0
[INFO] finished frobbing plotlib-0.3.0
[INFO] frobbed toml for plotlib-0.3.0 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/plotlib/0.3.0/Cargo.toml
[INFO] started frobbing plotlib-0.3.0
[INFO] finished frobbing plotlib-0.3.0
[INFO] frobbed toml for plotlib-0.3.0 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/plotlib/0.3.0/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 plotlib-0.3.0 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/plotlib/0.3.0:/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] b03b7e064834582296832289f2e748296e03d25f7fda444e94c4c4556819e7b4
[INFO] running `"docker" "start" "-a" "b03b7e064834582296832289f2e748296e03d25f7fda444e94c4c4556819e7b4"`
[INFO] [stderr]     Checking plotlib v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x_axis`
[INFO] [stderr]    --> src/function.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         x_axis: &axis::Axis,
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_x_axis`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_axis`
[INFO] [stderr]    --> src/function.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         y_axis: &axis::Axis,
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_y_axis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `face_width`
[INFO] [stderr]    --> src/function.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         face_width: u32,
[INFO] [stderr]     |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_face_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `face_height`
[INFO] [stderr]    --> src/function.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         face_height: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_face_height`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `num_views`
[INFO] [stderr]   --> src/page.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     num_views: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_axis`
[INFO] [stderr]    --> src/function.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         x_axis: &axis::Axis,
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_x_axis`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_axis`
[INFO] [stderr]    --> src/function.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         y_axis: &axis::Axis,
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_y_axis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `face_width`
[INFO] [stderr]    --> src/function.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         face_width: u32,
[INFO] [stderr]     |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_face_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `face_height`
[INFO] [stderr]    --> src/function.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         face_height: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_face_height`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `num_views`
[INFO] [stderr]   --> src/page.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     num_views: 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 1.22s
[INFO] running `"docker" "inspect" "b03b7e064834582296832289f2e748296e03d25f7fda444e94c4c4556819e7b4"`
[INFO] running `"docker" "rm" "-f" "b03b7e064834582296832289f2e748296e03d25f7fda444e94c4c4556819e7b4"`
[INFO] [stdout] b03b7e064834582296832289f2e748296e03d25f7fda444e94c4c4556819e7b4