[INFO] crate rvue 0.1.0 is already in cache
[INFO] extracting crate rvue 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rvue/0.1.0
[INFO] extracting crate rvue 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rvue/0.1.0
[INFO] validating manifest of rvue-0.1.0 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 rvue-0.1.0 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 rvue-0.1.0
[INFO] finished frobbing rvue-0.1.0
[INFO] frobbed toml for rvue-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rvue/0.1.0/Cargo.toml
[INFO] started frobbing rvue-0.1.0
[INFO] finished frobbing rvue-0.1.0
[INFO] frobbed toml for rvue-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rvue/0.1.0/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] testing rvue-0.1.0 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-7/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/rvue/0.1.0:/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] a186911453f746f0e8935bda8fb1313d506dcfb53ca2aa0cae253fd19035ab8a
[INFO] running `"docker" "start" "-a" "a186911453f746f0e8935bda8fb1313d506dcfb53ca2aa0cae253fd19035ab8a"`
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling rvue v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/gradebook.rs:586:28
[INFO] [stderr]     |
[INFO] [stderr] 586 |             let w = weight.trim_right_matches('%');
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `"docker" "inspect" "a186911453f746f0e8935bda8fb1313d506dcfb53ca2aa0cae253fd19035ab8a"`
[INFO] running `"docker" "rm" "-f" "a186911453f746f0e8935bda8fb1313d506dcfb53ca2aa0cae253fd19035ab8a"`
[INFO] [stdout] a186911453f746f0e8935bda8fb1313d506dcfb53ca2aa0cae253fd19035ab8a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/rvue/0.1.0:/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] 58c5b622e7e561332c98f78989205d9f407b7c37be0252cce9c367f90a6664a7
[INFO] running `"docker" "start" "-a" "58c5b622e7e561332c98f78989205d9f407b7c37be0252cce9c367f90a6664a7"`
[INFO] [stderr]    Compiling rvue v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/gradebook.rs:586:28
[INFO] [stderr]     |
[INFO] [stderr] 586 |             let w = weight.trim_right_matches('%');
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "58c5b622e7e561332c98f78989205d9f407b7c37be0252cce9c367f90a6664a7"`
[INFO] running `"docker" "rm" "-f" "58c5b622e7e561332c98f78989205d9f407b7c37be0252cce9c367f90a6664a7"`
[INFO] [stdout] 58c5b622e7e561332c98f78989205d9f407b7c37be0252cce9c367f90a6664a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/rvue/0.1.0:/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] 108ef3067cf840f0d734e53e3756d33ae3c30e4310419f5976923b7b150a48b2
[INFO] running `"docker" "start" "-a" "108ef3067cf840f0d734e53e3756d33ae3c30e4310419f5976923b7b150a48b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rvue-f61c315894382ee8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rvue
[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] [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" "108ef3067cf840f0d734e53e3756d33ae3c30e4310419f5976923b7b150a48b2"`
[INFO] running `"docker" "rm" "-f" "108ef3067cf840f0d734e53e3756d33ae3c30e4310419f5976923b7b150a48b2"`
[INFO] [stdout] 108ef3067cf840f0d734e53e3756d33ae3c30e4310419f5976923b7b150a48b2