[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-1.37-6/sources/1.36.0/gh/ijanos/rustup_prompt_helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ijanos/rustup_prompt_helper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ijanos/rustup_prompt_helper" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ijanos/rustup_prompt_helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ijanos/rustup_prompt_helper 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 ijanos/rustup_prompt_helper
[INFO] finished frobbing ijanos/rustup_prompt_helper
[INFO] frobbed toml for ijanos/rustup_prompt_helper written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ijanos/rustup_prompt_helper 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-4/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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4e7768937bbb32ad56cd1a9b73f4a19cff002b628e964aaa5d68648d824171cb
[INFO] running `"docker" "start" "-a" "4e7768937bbb32ad56cd1a9b73f4a19cff002b628e964aaa5d68648d824171cb"`
[INFO] [stderr]    Compiling serde v1.0.2
[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 14.11s
[INFO] running `"docker" "inspect" "4e7768937bbb32ad56cd1a9b73f4a19cff002b628e964aaa5d68648d824171cb"`
[INFO] running `"docker" "rm" "-f" "4e7768937bbb32ad56cd1a9b73f4a19cff002b628e964aaa5d68648d824171cb"`
[INFO] [stdout] 4e7768937bbb32ad56cd1a9b73f4a19cff002b628e964aaa5d68648d824171cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5b9f6bc44a4aa21d3e8a8236ffcf2cf1d11bf0a2fbec5b7d709685650d1f0996
[INFO] running `"docker" "start" "-a" "5b9f6bc44a4aa21d3e8a8236ffcf2cf1d11bf0a2fbec5b7d709685650d1f0996"`
[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 0.72s
[INFO] running `"docker" "inspect" "5b9f6bc44a4aa21d3e8a8236ffcf2cf1d11bf0a2fbec5b7d709685650d1f0996"`
[INFO] running `"docker" "rm" "-f" "5b9f6bc44a4aa21d3e8a8236ffcf2cf1d11bf0a2fbec5b7d709685650d1f0996"`
[INFO] [stdout] 5b9f6bc44a4aa21d3e8a8236ffcf2cf1d11bf0a2fbec5b7d709685650d1f0996
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 865f8007b1c9553e0d2cd5c195bacd6a1c2c57cf87923f673dc5871f19823e5e
[INFO] running `"docker" "start" "-a" "865f8007b1c9553e0d2cd5c195bacd6a1c2c57cf87923f673dc5871f19823e5e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_prompt_helper-4c12e8e7c9835e7b
[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" "865f8007b1c9553e0d2cd5c195bacd6a1c2c57cf87923f673dc5871f19823e5e"`
[INFO] running `"docker" "rm" "-f" "865f8007b1c9553e0d2cd5c195bacd6a1c2c57cf87923f673dc5871f19823e5e"`
[INFO] [stdout] 865f8007b1c9553e0d2cd5c195bacd6a1c2c57cf87923f673dc5871f19823e5e