[INFO] crate rustup_prompt_helper 1.1.0 is already in cache
[INFO] extracting crate rustup_prompt_helper 1.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustup_prompt_helper/1.1.0
[INFO] extracting crate rustup_prompt_helper 1.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup_prompt_helper/1.1.0
[INFO] validating manifest of rustup_prompt_helper-1.1.0 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 rustup_prompt_helper-1.1.0 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 rustup_prompt_helper-1.1.0
[INFO] finished frobbing rustup_prompt_helper-1.1.0
[INFO] frobbed toml for rustup_prompt_helper-1.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustup_prompt_helper/1.1.0/Cargo.toml
[INFO] started frobbing rustup_prompt_helper-1.1.0
[INFO] finished frobbing rustup_prompt_helper-1.1.0
[INFO] frobbed toml for rustup_prompt_helper-1.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup_prompt_helper/1.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing rustup_prompt_helper-1.1.0 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup_prompt_helper/1.1.0:/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] bad50b654b7f3757b15c2f623e1dd9d3e857f9ae4f0e455556e412037b451e8c
[INFO] running `"docker" "start" "-a" "bad50b654b7f3757b15c2f623e1dd9d3e857f9ae4f0e455556e412037b451e8c"`
[INFO] [stderr]    Compiling toml v0.2.1
[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:13:34
[INFO] [stderr]    |
[INFO] [stderr] 13 |     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 3.44s
[INFO] running `"docker" "inspect" "bad50b654b7f3757b15c2f623e1dd9d3e857f9ae4f0e455556e412037b451e8c"`
[INFO] running `"docker" "rm" "-f" "bad50b654b7f3757b15c2f623e1dd9d3e857f9ae4f0e455556e412037b451e8c"`
[INFO] [stdout] bad50b654b7f3757b15c2f623e1dd9d3e857f9ae4f0e455556e412037b451e8c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup_prompt_helper/1.1.0:/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] ed5fcd0016ff62230e8c9a82882ac390dad0ccf8f1f7e7b5e12b3a4603169b6c
[INFO] running `"docker" "start" "-a" "ed5fcd0016ff62230e8c9a82882ac390dad0ccf8f1f7e7b5e12b3a4603169b6c"`
[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:13:34
[INFO] [stderr]    |
[INFO] [stderr] 13 |     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 0.45s
[INFO] running `"docker" "inspect" "ed5fcd0016ff62230e8c9a82882ac390dad0ccf8f1f7e7b5e12b3a4603169b6c"`
[INFO] running `"docker" "rm" "-f" "ed5fcd0016ff62230e8c9a82882ac390dad0ccf8f1f7e7b5e12b3a4603169b6c"`
[INFO] [stdout] ed5fcd0016ff62230e8c9a82882ac390dad0ccf8f1f7e7b5e12b3a4603169b6c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup_prompt_helper/1.1.0:/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] b606605e5c95d652dcb08c5ba3ee8b9feee48e0a3130b440dc009c5d1001c56c
[INFO] running `"docker" "start" "-a" "b606605e5c95d652dcb08c5ba3ee8b9feee48e0a3130b440dc009c5d1001c56c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_prompt_helper-56c50e108d0ce158
[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" "b606605e5c95d652dcb08c5ba3ee8b9feee48e0a3130b440dc009c5d1001c56c"`
[INFO] running `"docker" "rm" "-f" "b606605e5c95d652dcb08c5ba3ee8b9feee48e0a3130b440dc009c5d1001c56c"`
[INFO] [stdout] b606605e5c95d652dcb08c5ba3ee8b9feee48e0a3130b440dc009c5d1001c56c