[INFO] updating cached repository mota/measure
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mota/measure
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mota/measure" "work/ex/beta-1.38-1/sources/1.37.0/gh/mota/measure"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mota/measure'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mota/measure" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mota/measure"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mota/measure'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff1f51dad05c75f3af103de6b0172ceb879d7d68
[INFO] sha for GitHub repo mota/measure: ff1f51dad05c75f3af103de6b0172ceb879d7d68
[INFO] validating manifest of mota/measure 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 mota/measure 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 mota/measure
[INFO] finished frobbing mota/measure
[INFO] frobbed toml for mota/measure written to work/ex/beta-1.38-1/sources/1.37.0/gh/mota/measure/Cargo.toml
[INFO] started frobbing mota/measure
[INFO] finished frobbing mota/measure
[INFO] frobbed toml for mota/measure written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mota/measure/Cargo.toml
[INFO] crate mota/measure 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mota/measure 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-4/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/mota/measure:/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] 924dba15768d2259de85b6f12d25300483bc84a3a4aa226087ff997c96599019
[INFO] running `"docker" "start" "-a" "924dba15768d2259de85b6f12d25300483bc84a3a4aa226087ff997c96599019"`
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling measure v1.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:63
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn print_rate(bytes: usize, unit: &SelectedUnit, stream: &mut Write, timestamp: bool) {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.67s
[INFO] running `"docker" "inspect" "924dba15768d2259de85b6f12d25300483bc84a3a4aa226087ff997c96599019"`
[INFO] running `"docker" "rm" "-f" "924dba15768d2259de85b6f12d25300483bc84a3a4aa226087ff997c96599019"`
[INFO] [stdout] 924dba15768d2259de85b6f12d25300483bc84a3a4aa226087ff997c96599019
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mota/measure:/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] f1c522899c43ce0cea2f5bbdaccfb0d473f2595ca2c5282856936d99433d61f8
[INFO] running `"docker" "start" "-a" "f1c522899c43ce0cea2f5bbdaccfb0d473f2595ca2c5282856936d99433d61f8"`
[INFO] [stderr]    Compiling measure v1.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:63
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn print_rate(bytes: usize, unit: &SelectedUnit, stream: &mut Write, timestamp: bool) {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "f1c522899c43ce0cea2f5bbdaccfb0d473f2595ca2c5282856936d99433d61f8"`
[INFO] running `"docker" "rm" "-f" "f1c522899c43ce0cea2f5bbdaccfb0d473f2595ca2c5282856936d99433d61f8"`
[INFO] [stdout] f1c522899c43ce0cea2f5bbdaccfb0d473f2595ca2c5282856936d99433d61f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/mota/measure:/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] d5549ebd6db1d4be5e6ce9c7fef95572e3551cdf0187c47144621f64812a377f
[INFO] running `"docker" "start" "-a" "d5549ebd6db1d4be5e6ce9c7fef95572e3551cdf0187c47144621f64812a377f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/measure-af697684b5872282
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test unit::test::unit_to_string ... ok
[INFO] [stdout] test unit::test::amount_auto_detect ... ok
[INFO] [stdout] test unit::test::unit_to_value ... ok
[INFO] [stdout] test unit::test::amount_new ... ok
[INFO] [stdout] test unit::test::amount_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d5549ebd6db1d4be5e6ce9c7fef95572e3551cdf0187c47144621f64812a377f"`
[INFO] running `"docker" "rm" "-f" "d5549ebd6db1d4be5e6ce9c7fef95572e3551cdf0187c47144621f64812a377f"`
[INFO] [stdout] d5549ebd6db1d4be5e6ce9c7fef95572e3551cdf0187c47144621f64812a377f