[INFO] crate plotlib 0.3.0 is already in cache
[INFO] extracting crate plotlib 0.3.0 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/plotlib/0.3.0
[INFO] extracting crate plotlib 0.3.0 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/plotlib/0.3.0
[INFO] validating manifest of plotlib-0.3.0 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of plotlib-0.3.0 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-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-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/plotlib/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking plotlib-0.3.0 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b54b4a01f5873e9d19309e0a67ac4a1d669324d0ab9748cad65067fb17320ca0
[INFO] running `"docker" "start" "-a" "b54b4a01f5873e9d19309e0a67ac4a1d669324d0ab9748cad65067fb17320ca0"`
[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 using `_x_axis` instead
[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 using `_y_axis` instead
[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 using `_face_width` instead
[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 using `_face_height` instead
[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 using `_x_axis` instead
[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 using `_y_axis` instead
[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 using `_face_width` instead
[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 using `_face_height` instead
[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 1.30s
[INFO] running `"docker" "inspect" "b54b4a01f5873e9d19309e0a67ac4a1d669324d0ab9748cad65067fb17320ca0"`
[INFO] running `"docker" "rm" "-f" "b54b4a01f5873e9d19309e0a67ac4a1d669324d0ab9748cad65067fb17320ca0"`
[INFO] [stdout] b54b4a01f5873e9d19309e0a67ac4a1d669324d0ab9748cad65067fb17320ca0