[INFO] updating cached repository cyphar/initrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cyphar/initrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cyphar/initrs" "work/ex/beta-1.38-1/sources/1.37.0/gh/cyphar/initrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cyphar/initrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cyphar/initrs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cyphar/initrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cyphar/initrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72546167038c0c82cc221ed536880dee493134c3
[INFO] sha for GitHub repo cyphar/initrs: 72546167038c0c82cc221ed536880dee493134c3
[INFO] validating manifest of cyphar/initrs 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 cyphar/initrs 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 cyphar/initrs
[INFO] finished frobbing cyphar/initrs
[INFO] frobbed toml for cyphar/initrs written to work/ex/beta-1.38-1/sources/1.37.0/gh/cyphar/initrs/Cargo.toml
[INFO] started frobbing cyphar/initrs
[INFO] finished frobbing cyphar/initrs
[INFO] frobbed toml for cyphar/initrs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cyphar/initrs/Cargo.toml
[INFO] crate cyphar/initrs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cyphar/initrs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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 cyphar/initrs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cyphar/initrs:/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] 9fed04fa5d7c861cae235f4a038cdf6da0482853d6d38147e62934d97b129b4e
[INFO] running `"docker" "start" "-a" "9fed04fa5d7c861cae235f4a038cdf6da0482853d6d38147e62934d97b129b4e"`
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling clap v2.23.3
[INFO] [stderr]    Compiling initrs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/main.rs:207:10
[INFO] [stderr]     |
[INFO] [stderr] 207 |         .before_exec(move || {
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.35s
[INFO] running `"docker" "inspect" "9fed04fa5d7c861cae235f4a038cdf6da0482853d6d38147e62934d97b129b4e"`
[INFO] running `"docker" "rm" "-f" "9fed04fa5d7c861cae235f4a038cdf6da0482853d6d38147e62934d97b129b4e"`
[INFO] [stdout] 9fed04fa5d7c861cae235f4a038cdf6da0482853d6d38147e62934d97b129b4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cyphar/initrs:/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] b320b8b778a482e8309a9056e0a7a81afa31b60933e1739d537aeb2dd9076967
[INFO] running `"docker" "start" "-a" "b320b8b778a482e8309a9056e0a7a81afa31b60933e1739d537aeb2dd9076967"`
[INFO] [stderr]    Compiling initrs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/main.rs:207:10
[INFO] [stderr]     |
[INFO] [stderr] 207 |         .before_exec(move || {
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "b320b8b778a482e8309a9056e0a7a81afa31b60933e1739d537aeb2dd9076967"`
[INFO] running `"docker" "rm" "-f" "b320b8b778a482e8309a9056e0a7a81afa31b60933e1739d537aeb2dd9076967"`
[INFO] [stdout] b320b8b778a482e8309a9056e0a7a81afa31b60933e1739d537aeb2dd9076967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cyphar/initrs:/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] 4532557f10cabde3286b1e2d208fa6b75f8ac581facec8f50a1fd265ea730215
[INFO] running `"docker" "start" "-a" "4532557f10cabde3286b1e2d208fa6b75f8ac581facec8f50a1fd265ea730215"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/initrs-42331b21e86dbe24
[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" "4532557f10cabde3286b1e2d208fa6b75f8ac581facec8f50a1fd265ea730215"`
[INFO] running `"docker" "rm" "-f" "4532557f10cabde3286b1e2d208fa6b75f8ac581facec8f50a1fd265ea730215"`
[INFO] [stdout] 4532557f10cabde3286b1e2d208fa6b75f8ac581facec8f50a1fd265ea730215