[INFO] crate term-painter 0.2.4 is already in cache
[INFO] extracting crate term-painter 0.2.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/term-painter/0.2.4
[INFO] extracting crate term-painter 0.2.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/term-painter/0.2.4
[INFO] validating manifest of term-painter-0.2.4 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 term-painter-0.2.4 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 term-painter-0.2.4
[INFO] finished frobbing term-painter-0.2.4
[INFO] frobbed toml for term-painter-0.2.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/term-painter/0.2.4/Cargo.toml
[INFO] started frobbing term-painter-0.2.4
[INFO] finished frobbing term-painter-0.2.4
[INFO] frobbed toml for term-painter-0.2.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/term-painter/0.2.4/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 term-painter-0.2.4 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-2/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/term-painter/0.2.4:/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] bc0078248e4ec039c4965f57e5d2439c8a78bec2dcfffd7c62475b0f3ea2380b
[INFO] running `"docker" "start" "-a" "bc0078248e4ec039c4965f57e5d2439c8a78bec2dcfffd7c62475b0f3ea2380b"`
[INFO] [stderr]    Compiling term-painter v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:488:17
[INFO] [stderr]     |
[INFO] [stderr] 488 |             let mut t = match tmut.as_mut() {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "bc0078248e4ec039c4965f57e5d2439c8a78bec2dcfffd7c62475b0f3ea2380b"`
[INFO] running `"docker" "rm" "-f" "bc0078248e4ec039c4965f57e5d2439c8a78bec2dcfffd7c62475b0f3ea2380b"`
[INFO] [stdout] bc0078248e4ec039c4965f57e5d2439c8a78bec2dcfffd7c62475b0f3ea2380b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/term-painter/0.2.4:/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] 18ed53d49f085d89cb1d7b9b32381451489e07eead34f5a92df5271a7800634c
[INFO] running `"docker" "start" "-a" "18ed53d49f085d89cb1d7b9b32381451489e07eead34f5a92df5271a7800634c"`
[INFO] [stderr]    Compiling term-painter v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:488:17
[INFO] [stderr]     |
[INFO] [stderr] 488 |             let mut t = match tmut.as_mut() {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "18ed53d49f085d89cb1d7b9b32381451489e07eead34f5a92df5271a7800634c"`
[INFO] running `"docker" "rm" "-f" "18ed53d49f085d89cb1d7b9b32381451489e07eead34f5a92df5271a7800634c"`
[INFO] [stdout] 18ed53d49f085d89cb1d7b9b32381451489e07eead34f5a92df5271a7800634c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/term-painter/0.2.4:/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] 10cbeec7c053928f1747714a2769dc483f7a295c52c711cb7d6072d2f3c0faf4
[INFO] running `"docker" "start" "-a" "10cbeec7c053928f1747714a2769dc483f7a295c52c711cb7d6072d2f3c0faf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/term_painter-0120136cca64d406
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::style_and ... ok
[INFO] [stdout] test test::modifier_order ... ok
[INFO] [stdout] test test::modifier_override ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests term-painter
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 119) ... ok
[INFO] [stdout] test src/lib.rs -  (line 42) ... ok
[INFO] [stdout] test src/lib.rs -  (line 4) ... ok
[INFO] [stdout] test src/lib.rs -  (line 62) ... ok
[INFO] [stdout] test src/lib.rs - Attr (line 364) ... ok
[INFO] [stdout] test src/lib.rs - Color (line 284) ... ok
[INFO] [stdout] test src/lib.rs -  (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "10cbeec7c053928f1747714a2769dc483f7a295c52c711cb7d6072d2f3c0faf4"`
[INFO] running `"docker" "rm" "-f" "10cbeec7c053928f1747714a2769dc483f7a295c52c711cb7d6072d2f3c0faf4"`
[INFO] [stdout] 10cbeec7c053928f1747714a2769dc483f7a295c52c711cb7d6072d2f3c0faf4