[INFO] updating cached repository shhr1214/myutils
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shhr1214/myutils
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shhr1214/myutils" "work/ex/beta-1.37-6/sources/1.36.0/gh/shhr1214/myutils"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/shhr1214/myutils'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shhr1214/myutils" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shhr1214/myutils"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shhr1214/myutils'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c6e98abd2c30a91fcc22be0bf565447c93d068c
[INFO] sha for GitHub repo shhr1214/myutils: 4c6e98abd2c30a91fcc22be0bf565447c93d068c
[INFO] validating manifest of shhr1214/myutils 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 shhr1214/myutils 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 shhr1214/myutils
[INFO] finished frobbing shhr1214/myutils
[INFO] frobbed toml for shhr1214/myutils written to work/ex/beta-1.37-6/sources/1.36.0/gh/shhr1214/myutils/Cargo.toml
[INFO] started frobbing shhr1214/myutils
[INFO] finished frobbing shhr1214/myutils
[INFO] frobbed toml for shhr1214/myutils written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shhr1214/myutils/Cargo.toml
[INFO] crate shhr1214/myutils already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing shhr1214/myutils 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-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shhr1214/myutils:/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] 3306822bc5ba62b95346eff144c5e2a4db612b0ea350819b05b3a0adc2c7266c
[INFO] running `"docker" "start" "-a" "3306822bc5ba62b95346eff144c5e2a4db612b0ea350819b05b3a0adc2c7266c"`
[INFO] [stderr]    Compiling myutils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `head`
[INFO] [stderr]   --> src/bin/show-calendar.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn head(month: u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "3306822bc5ba62b95346eff144c5e2a4db612b0ea350819b05b3a0adc2c7266c"`
[INFO] running `"docker" "rm" "-f" "3306822bc5ba62b95346eff144c5e2a4db612b0ea350819b05b3a0adc2c7266c"`
[INFO] [stdout] 3306822bc5ba62b95346eff144c5e2a4db612b0ea350819b05b3a0adc2c7266c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shhr1214/myutils:/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] 8664033bb2ca13ecbba7310d117260ff7e202a50ebcfcf214059332e1db7da8b
[INFO] running `"docker" "start" "-a" "8664033bb2ca13ecbba7310d117260ff7e202a50ebcfcf214059332e1db7da8b"`
[INFO] [stderr]    Compiling myutils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `head`
[INFO] [stderr]   --> src/bin/show-calendar.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn head(month: u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "8664033bb2ca13ecbba7310d117260ff7e202a50ebcfcf214059332e1db7da8b"`
[INFO] running `"docker" "rm" "-f" "8664033bb2ca13ecbba7310d117260ff7e202a50ebcfcf214059332e1db7da8b"`
[INFO] [stdout] 8664033bb2ca13ecbba7310d117260ff7e202a50ebcfcf214059332e1db7da8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shhr1214/myutils:/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] 953b99d749041cacc4037d110a05a24332310a85ba919573164666c206853356
[INFO] running `"docker" "start" "-a" "953b99d749041cacc4037d110a05a24332310a85ba919573164666c206853356"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/show_calendar-3adbf53dc9a1e450
[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" "953b99d749041cacc4037d110a05a24332310a85ba919573164666c206853356"`
[INFO] running `"docker" "rm" "-f" "953b99d749041cacc4037d110a05a24332310a85ba919573164666c206853356"`
[INFO] [stdout] 953b99d749041cacc4037d110a05a24332310a85ba919573164666c206853356