[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 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-7/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a737b011d44bf9fb3e1f5497d8306c5115baa9a638ad5899eb4d8e756f7c592b
[INFO] running `"docker" "start" "-a" "a737b011d44bf9fb3e1f5497d8306c5115baa9a638ad5899eb4d8e756f7c592b"`
[INFO] [stderr]    Compiling toml v0.4.0
[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 5.17s
[INFO] running `"docker" "inspect" "a737b011d44bf9fb3e1f5497d8306c5115baa9a638ad5899eb4d8e756f7c592b"`
[INFO] running `"docker" "rm" "-f" "a737b011d44bf9fb3e1f5497d8306c5115baa9a638ad5899eb4d8e756f7c592b"`
[INFO] [stdout] a737b011d44bf9fb3e1f5497d8306c5115baa9a638ad5899eb4d8e756f7c592b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e75f979e2d1bfc8d412c0840307d5eea50939dc07e25c5878a5f655a800a3f97
[INFO] running `"docker" "start" "-a" "e75f979e2d1bfc8d412c0840307d5eea50939dc07e25c5878a5f655a800a3f97"`
[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 0.93s
[INFO] running `"docker" "inspect" "e75f979e2d1bfc8d412c0840307d5eea50939dc07e25c5878a5f655a800a3f97"`
[INFO] running `"docker" "rm" "-f" "e75f979e2d1bfc8d412c0840307d5eea50939dc07e25c5878a5f655a800a3f97"`
[INFO] [stdout] e75f979e2d1bfc8d412c0840307d5eea50939dc07e25c5878a5f655a800a3f97
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 71b854c41e56e994becfa03667f7badaca5f943c001bd3938c7fc3e5b760f679
[INFO] running `"docker" "start" "-a" "71b854c41e56e994becfa03667f7badaca5f943c001bd3938c7fc3e5b760f679"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_prompt_helper-59452b2f9693f058
[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" "71b854c41e56e994becfa03667f7badaca5f943c001bd3938c7fc3e5b760f679"`
[INFO] running `"docker" "rm" "-f" "71b854c41e56e994becfa03667f7badaca5f943c001bd3938c7fc3e5b760f679"`
[INFO] [stdout] 71b854c41e56e994becfa03667f7badaca5f943c001bd3938c7fc3e5b760f679