[INFO] updating cached repository hhatto/wwup-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hhatto/wwup-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hhatto/wwup-in-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/hhatto/wwup-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hhatto/wwup-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hhatto/wwup-in-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hhatto/wwup-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hhatto/wwup-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ef78053e5a0447048fafc7824dd7adb64c60c12
[INFO] sha for GitHub repo hhatto/wwup-in-rust: 7ef78053e5a0447048fafc7824dd7adb64c60c12
[INFO] validating manifest of hhatto/wwup-in-rust 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 hhatto/wwup-in-rust 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 hhatto/wwup-in-rust
[INFO] finished frobbing hhatto/wwup-in-rust
[INFO] frobbed toml for hhatto/wwup-in-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/hhatto/wwup-in-rust/Cargo.toml
[INFO] started frobbing hhatto/wwup-in-rust
[INFO] finished frobbing hhatto/wwup-in-rust
[INFO] frobbed toml for hhatto/wwup-in-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hhatto/wwup-in-rust/Cargo.toml
[INFO] crate hhatto/wwup-in-rust 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hhatto/wwup-in-rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hhatto/wwup-in-rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 12568cd9fee8b3068ea6cc0c90444c152145048c6083285b35cc6e79d95f328b
[INFO] running `"docker" "start" "-a" "12568cd9fee8b3068ea6cc0c90444c152145048c6083285b35cc6e79d95f328b"`
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling chan v0.1.19
[INFO] [stderr]    Compiling chan-signal v0.2.0
[INFO] [stderr]    Compiling prctl v1.0.0
[INFO] [stderr]    Compiling wwup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/12_orphaned_processes.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 |         unistd::ForkResult::Parent { child } => {
[INFO] [stderr]    |                                      ^^^^^ help: try ignoring the field: `child: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.68s
[INFO] running `"docker" "inspect" "12568cd9fee8b3068ea6cc0c90444c152145048c6083285b35cc6e79d95f328b"`
[INFO] running `"docker" "rm" "-f" "12568cd9fee8b3068ea6cc0c90444c152145048c6083285b35cc6e79d95f328b"`
[INFO] [stdout] 12568cd9fee8b3068ea6cc0c90444c152145048c6083285b35cc6e79d95f328b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hhatto/wwup-in-rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9409656a69c08faf9328a5a7d4089ab87c7e8af8fdb50d245b2f4f877390618d
[INFO] running `"docker" "start" "-a" "9409656a69c08faf9328a5a7d4089ab87c7e8af8fdb50d245b2f4f877390618d"`
[INFO] [stderr]    Compiling wwup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/12_orphaned_processes.rs:11:38
[INFO] [stderr]    |
[INFO] [stderr] 11 |         unistd::ForkResult::Parent { child } => {
[INFO] [stderr]    |                                      ^^^^^ help: try ignoring the field: `child: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `"docker" "inspect" "9409656a69c08faf9328a5a7d4089ab87c7e8af8fdb50d245b2f4f877390618d"`
[INFO] running `"docker" "rm" "-f" "9409656a69c08faf9328a5a7d4089ab87c7e8af8fdb50d245b2f4f877390618d"`
[INFO] [stdout] 9409656a69c08faf9328a5a7d4089ab87c7e8af8fdb50d245b2f4f877390618d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hhatto/wwup-in-rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c8744518c250d4f655f9b12aad6e1a0ed70f82fcb161ec9e30cadf9a6492bcbb
[INFO] running `"docker" "start" "-a" "c8744518c250d4f655f9b12aad6e1a0ed70f82fcb161ec9e30cadf9a6492bcbb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/10_processes_have_exit_code-544609dddd6ef498
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/11_processes_can_fork-9f99493308663149
[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] [stderr]      Running /opt/crater/target/debug/deps/12_orphaned_processes-2e3c2a6a2779a82d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/14_processes_can_wait-b9ea65a460fb40b5
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/15_zombie_processes-1a33209f7bd60841
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/16_processes_can_get_signals-404841b90644ad20
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/17_processes_can_communicate-341e763a65130688
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/18_daemon_processes-5373ec6281dd2f7e
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/19_spawning_terminal_processes-9b7100354e5aafb8
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/3_processes_have_ids-4b32ff6c08c98947
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/4_processes_have_parents-09589b85b35c49e6
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/5_processes_have_file_descriptors-9f54fe0a77748440
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/6_processes_have_resource_limits-383bcf82ff17b703
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/7_processes_have_an_environment-2a9252ab602115e3
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/8_processes_have_arguments-ff8bba09a6cd5ca5
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/9_processes_have_names-0889874d212bdcee
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "c8744518c250d4f655f9b12aad6e1a0ed70f82fcb161ec9e30cadf9a6492bcbb"`
[INFO] running `"docker" "rm" "-f" "c8744518c250d4f655f9b12aad6e1a0ed70f82fcb161ec9e30cadf9a6492bcbb"`
[INFO] [stdout] c8744518c250d4f655f9b12aad6e1a0ed70f82fcb161ec9e30cadf9a6492bcbb