[INFO] crate slider 0.4.0 is already in cache
[INFO] extracting crate slider 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/slider/0.4.0
[INFO] extracting crate slider 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slider/0.4.0
[INFO] validating manifest of slider-0.4.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slider-0.4.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slider-0.4.0
[INFO] finished frobbing slider-0.4.0
[INFO] frobbed toml for slider-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/slider/0.4.0/Cargo.toml
[INFO] started frobbing slider-0.4.0
[INFO] finished frobbing slider-0.4.0
[INFO] frobbed toml for slider-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slider/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing slider-0.4.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slider/0.4.0:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 19b7f7d41a0baf2da9b24087929ba9e0aab3762411ff46e560ef7fa443be1081
[INFO] running `"docker" "start" "-a" "19b7f7d41a0baf2da9b24087929ba9e0aab3762411ff46e560ef7fa443be1081"`
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling piston-gfx_texture v0.22.1
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.38.0
[INFO] [stderr]    Compiling piston_window v0.64.0
[INFO] [stderr]    Compiling slider v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `RESOLUTION_X` is imported redundantly
[INFO] [stderr]    --> src/skin.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 7   | use settings::{MARGIN_RATIO, RESOLUTION_X, LINING_RATIO, N_COLS, N_ROWS};
[INFO] [stderr]     |                              ------------ the item `RESOLUTION_X` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 103 |         use settings::RESOLUTION_X;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RESOLUTION_Y` is imported redundantly
[INFO] [stderr]    --> src/skin.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 20  | pub const RESOLUTION_Y: f64 = CELL_SIZE * N_ROWS as f64 + 2f64 * (LINING + MARGIN);
[INFO] [stderr]     | ----------------------------------------------------------------------------------- the item `RESOLUTION_Y` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 104 |         use skin::RESOLUTION_Y;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.41s
[INFO] running `"docker" "inspect" "19b7f7d41a0baf2da9b24087929ba9e0aab3762411ff46e560ef7fa443be1081"`
[INFO] running `"docker" "rm" "-f" "19b7f7d41a0baf2da9b24087929ba9e0aab3762411ff46e560ef7fa443be1081"`
[INFO] [stdout] 19b7f7d41a0baf2da9b24087929ba9e0aab3762411ff46e560ef7fa443be1081
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slider/0.4.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 26f01185bfceca60d4e9766186211507b3d9a769499a64bb08542d4dacb99dbd
[INFO] running `"docker" "start" "-a" "26f01185bfceca60d4e9766186211507b3d9a769499a64bb08542d4dacb99dbd"`
[INFO] [stderr]    Compiling slider v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `RESOLUTION_X` is imported redundantly
[INFO] [stderr]    --> src/skin.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 7   | use settings::{MARGIN_RATIO, RESOLUTION_X, LINING_RATIO, N_COLS, N_ROWS};
[INFO] [stderr]     |                              ------------ the item `RESOLUTION_X` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 103 |         use settings::RESOLUTION_X;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RESOLUTION_Y` is imported redundantly
[INFO] [stderr]    --> src/skin.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 20  | pub const RESOLUTION_Y: f64 = CELL_SIZE * N_ROWS as f64 + 2f64 * (LINING + MARGIN);
[INFO] [stderr]     | ----------------------------------------------------------------------------------- the item `RESOLUTION_Y` is already defined here
[INFO] [stderr] ...
[INFO] [stderr] 104 |         use skin::RESOLUTION_Y;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "26f01185bfceca60d4e9766186211507b3d9a769499a64bb08542d4dacb99dbd"`
[INFO] running `"docker" "rm" "-f" "26f01185bfceca60d4e9766186211507b3d9a769499a64bb08542d4dacb99dbd"`
[INFO] [stdout] 26f01185bfceca60d4e9766186211507b3d9a769499a64bb08542d4dacb99dbd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slider/0.4.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 26175edfdf073005b8a0cc611826379459e99e87d70eb4f208cb8371976faf2d
[INFO] running `"docker" "start" "-a" "26175edfdf073005b8a0cc611826379459e99e87d70eb4f208cb8371976faf2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slider-98234686d49a28fb
[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" "26175edfdf073005b8a0cc611826379459e99e87d70eb4f208cb8371976faf2d"`
[INFO] running `"docker" "rm" "-f" "26175edfdf073005b8a0cc611826379459e99e87d70eb4f208cb8371976faf2d"`
[INFO] [stdout] 26175edfdf073005b8a0cc611826379459e99e87d70eb4f208cb8371976faf2d