[INFO] updating cached repository ijanos/rustup_prompt_helper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ijanos/rustup_prompt_helper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ijanos/rustup_prompt_helper" "work/ex/beta-1.38-1/sources/1.37.0/gh/ijanos/rustup_prompt_helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ijanos/rustup_prompt_helper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ijanos/rustup_prompt_helper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijanos/rustup_prompt_helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijanos/rustup_prompt_helper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0bbef9d33d0e2451eeff0e910990d7aa1d0641a
[INFO] sha for GitHub repo ijanos/rustup_prompt_helper: a0bbef9d33d0e2451eeff0e910990d7aa1d0641a
[INFO] validating manifest of ijanos/rustup_prompt_helper 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 ijanos/rustup_prompt_helper 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 ijanos/rustup_prompt_helper
[INFO] finished frobbing ijanos/rustup_prompt_helper
[INFO] frobbed toml for ijanos/rustup_prompt_helper written to work/ex/beta-1.38-1/sources/1.37.0/gh/ijanos/rustup_prompt_helper/Cargo.toml
[INFO] started frobbing ijanos/rustup_prompt_helper
[INFO] finished frobbing ijanos/rustup_prompt_helper
[INFO] frobbed toml for ijanos/rustup_prompt_helper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ijanos/rustup_prompt_helper/Cargo.toml
[INFO] crate ijanos/rustup_prompt_helper 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 ijanos/rustup_prompt_helper against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ijanos/rustup_prompt_helper:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8119eae56f1733f23815d351f3a4ec4faf89da726682dc5ee7278f7303f08ce6
[INFO] running `"docker" "start" "-a" "8119eae56f1733f23815d351f3a4ec4faf89da726682dc5ee7278f7303f08ce6"`
[INFO] [stderr]    Compiling rustup_prompt_helper v1.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:14:34
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut settings_path = try!(env::home_dir().ok_or("cannot get home directory"));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "8119eae56f1733f23815d351f3a4ec4faf89da726682dc5ee7278f7303f08ce6"`
[INFO] running `"docker" "rm" "-f" "8119eae56f1733f23815d351f3a4ec4faf89da726682dc5ee7278f7303f08ce6"`
[INFO] [stdout] 8119eae56f1733f23815d351f3a4ec4faf89da726682dc5ee7278f7303f08ce6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ijanos/rustup_prompt_helper:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e385ddacf1b2d43738c74df91223d8c70d957d2c18d92c8bd059c846bf4afd4c
[INFO] running `"docker" "start" "-a" "e385ddacf1b2d43738c74df91223d8c70d957d2c18d92c8bd059c846bf4afd4c"`
[INFO] [stderr]    Compiling rustup_prompt_helper v1.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:14:34
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut settings_path = try!(env::home_dir().ok_or("cannot get home directory"));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "e385ddacf1b2d43738c74df91223d8c70d957d2c18d92c8bd059c846bf4afd4c"`
[INFO] running `"docker" "rm" "-f" "e385ddacf1b2d43738c74df91223d8c70d957d2c18d92c8bd059c846bf4afd4c"`
[INFO] [stdout] e385ddacf1b2d43738c74df91223d8c70d957d2c18d92c8bd059c846bf4afd4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ijanos/rustup_prompt_helper:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 87627c9555ac31d9e08be2839246dfd2ff4f6601abd8ddc53fbb71028932ef19
[INFO] running `"docker" "start" "-a" "87627c9555ac31d9e08be2839246dfd2ff4f6601abd8ddc53fbb71028932ef19"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_prompt_helper-f163d27aa079b0dc
[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" "87627c9555ac31d9e08be2839246dfd2ff4f6601abd8ddc53fbb71028932ef19"`
[INFO] running `"docker" "rm" "-f" "87627c9555ac31d9e08be2839246dfd2ff4f6601abd8ddc53fbb71028932ef19"`
[INFO] [stdout] 87627c9555ac31d9e08be2839246dfd2ff4f6601abd8ddc53fbb71028932ef19