[INFO] updating cached repository razorheadfx/mediocore
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/razorheadfx/mediocore
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/razorheadfx/mediocore" "work/ex/beta-1.38-1/sources/1.37.0/gh/razorheadfx/mediocore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/razorheadfx/mediocore'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/razorheadfx/mediocore" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razorheadfx/mediocore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razorheadfx/mediocore'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4a87bafee75c9f824ea06f476857501b4cc5471
[INFO] sha for GitHub repo razorheadfx/mediocore: b4a87bafee75c9f824ea06f476857501b4cc5471
[INFO] validating manifest of razorheadfx/mediocore on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of razorheadfx/mediocore on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing razorheadfx/mediocore
[INFO] finished frobbing razorheadfx/mediocore
[INFO] frobbed toml for razorheadfx/mediocore written to work/ex/beta-1.38-1/sources/1.37.0/gh/razorheadfx/mediocore/Cargo.toml
[INFO] started frobbing razorheadfx/mediocore
[INFO] finished frobbing razorheadfx/mediocore
[INFO] frobbed toml for razorheadfx/mediocore written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razorheadfx/mediocore/Cargo.toml
[INFO] crate razorheadfx/mediocore already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/razorheadfx/mediocore/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing razorheadfx/mediocore against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razorheadfx/mediocore:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1dbf0d6ca2ce20f2dbc161fc06beb9f7687720d6b7b60d3e25b26e73a99630c2
[INFO] running `"docker" "start" "-a" "1dbf0d6ca2ce20f2dbc161fc06beb9f7687720d6b7b60d3e25b26e73a99630c2"`
[INFO] [stderr] warning: unused manifest key: package.https
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling mediocore v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/mdcr.rs:235:17
[INFO] [stderr]     |
[INFO] [stderr] 235 |             let mut pad_to = creline.len() + per_core_chars;
[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 17.53s
[INFO] running `"docker" "inspect" "1dbf0d6ca2ce20f2dbc161fc06beb9f7687720d6b7b60d3e25b26e73a99630c2"`
[INFO] running `"docker" "rm" "-f" "1dbf0d6ca2ce20f2dbc161fc06beb9f7687720d6b7b60d3e25b26e73a99630c2"`
[INFO] [stdout] 1dbf0d6ca2ce20f2dbc161fc06beb9f7687720d6b7b60d3e25b26e73a99630c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razorheadfx/mediocore:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b16e990163c4d802e71cb4c53ec5b6b37c9a1f4a26abaee19f063f9160a0dea3
[INFO] running `"docker" "start" "-a" "b16e990163c4d802e71cb4c53ec5b6b37c9a1f4a26abaee19f063f9160a0dea3"`
[INFO] [stderr] warning: unused manifest key: package.https
[INFO] [stderr]    Compiling mediocore v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/mdcr.rs:235:17
[INFO] [stderr]     |
[INFO] [stderr] 235 |             let mut pad_to = creline.len() + per_core_chars;
[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 1.74s
[INFO] running `"docker" "inspect" "b16e990163c4d802e71cb4c53ec5b6b37c9a1f4a26abaee19f063f9160a0dea3"`
[INFO] running `"docker" "rm" "-f" "b16e990163c4d802e71cb4c53ec5b6b37c9a1f4a26abaee19f063f9160a0dea3"`
[INFO] [stdout] b16e990163c4d802e71cb4c53ec5b6b37c9a1f4a26abaee19f063f9160a0dea3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razorheadfx/mediocore:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 7d56ccd34a0e5b0b4a82bd063ceb3f820880c9ee7a4fb9723d3a0d41bac35afc
[INFO] running `"docker" "start" "-a" "7d56ccd34a0e5b0b4a82bd063ceb3f820880c9ee7a4fb9723d3a0d41bac35afc"`
[INFO] [stderr] warning: unused manifest key: package.https
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mediocore-7959ce90ca5a14c3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::freq_validation ... ok
[INFO] [stdout] test test::govnor_validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mdcr-4378a4c33aceed99
[INFO] [stderr]    Doc-tests mediocore
[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] [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" "7d56ccd34a0e5b0b4a82bd063ceb3f820880c9ee7a4fb9723d3a0d41bac35afc"`
[INFO] running `"docker" "rm" "-f" "7d56ccd34a0e5b0b4a82bd063ceb3f820880c9ee7a4fb9723d3a0d41bac35afc"`
[INFO] [stdout] 7d56ccd34a0e5b0b4a82bd063ceb3f820880c9ee7a4fb9723d3a0d41bac35afc