[INFO] updating cached repository howeih/Day-35-Kth
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-35-Kth
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-35-Kth" "work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-35-Kth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-35-Kth'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-35-Kth" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-35-Kth"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-35-Kth'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad295a9480fb2af4444750b2caf7d3eb684627fb
[INFO] sha for GitHub repo howeih/Day-35-Kth: ad295a9480fb2af4444750b2caf7d3eb684627fb
[INFO] validating manifest of howeih/Day-35-Kth 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 howeih/Day-35-Kth 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 howeih/Day-35-Kth
[INFO] finished frobbing howeih/Day-35-Kth
[INFO] frobbed toml for howeih/Day-35-Kth written to work/ex/beta-1.38-1/sources/1.37.0/gh/howeih/Day-35-Kth/Cargo.toml
[INFO] started frobbing howeih/Day-35-Kth
[INFO] finished frobbing howeih/Day-35-Kth
[INFO] frobbed toml for howeih/Day-35-Kth written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/howeih/Day-35-Kth/Cargo.toml
[INFO] crate howeih/Day-35-Kth 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 howeih/Day-35-Kth 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/howeih/Day-35-Kth:/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] 6423ab3544c0076161cd0193725f6c8b705705a7b4c13f9d1c07d23bdbd5ef7f
[INFO] running `"docker" "start" "-a" "6423ab3544c0076161cd0193725f6c8b705705a7b4c13f9d1c07d23bdbd5ef7f"`
[INFO] [stderr]    Compiling median v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "6423ab3544c0076161cd0193725f6c8b705705a7b4c13f9d1c07d23bdbd5ef7f"`
[INFO] running `"docker" "rm" "-f" "6423ab3544c0076161cd0193725f6c8b705705a7b4c13f9d1c07d23bdbd5ef7f"`
[INFO] [stdout] 6423ab3544c0076161cd0193725f6c8b705705a7b4c13f9d1c07d23bdbd5ef7f
[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/howeih/Day-35-Kth:/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] 703c1f175d56dfc6a05d2f191969638c754a723c3e2739ea9470df8751318557
[INFO] running `"docker" "start" "-a" "703c1f175d56dfc6a05d2f191969638c754a723c3e2739ea9470df8751318557"`
[INFO] [stderr]    Compiling median v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "703c1f175d56dfc6a05d2f191969638c754a723c3e2739ea9470df8751318557"`
[INFO] running `"docker" "rm" "-f" "703c1f175d56dfc6a05d2f191969638c754a723c3e2739ea9470df8751318557"`
[INFO] [stdout] 703c1f175d56dfc6a05d2f191969638c754a723c3e2739ea9470df8751318557
[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/howeih/Day-35-Kth:/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] 8c52024f82db2a9efbaea07116a8311cae363d95611ce1b421cae3ecf7f35c2e
[INFO] running `"docker" "start" "-a" "8c52024f82db2a9efbaea07116a8311cae363d95611ce1b421cae3ecf7f35c2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/median-0c7d01de70849f82
[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" "8c52024f82db2a9efbaea07116a8311cae363d95611ce1b421cae3ecf7f35c2e"`
[INFO] running `"docker" "rm" "-f" "8c52024f82db2a9efbaea07116a8311cae363d95611ce1b421cae3ecf7f35c2e"`
[INFO] [stdout] 8c52024f82db2a9efbaea07116a8311cae363d95611ce1b421cae3ecf7f35c2e