[INFO] updating cached repository colindjk/extensible-shell-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/colindjk/extensible-shell-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/colindjk/extensible-shell-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/colindjk/extensible-shell-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/colindjk/extensible-shell-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/colindjk/extensible-shell-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/colindjk/extensible-shell-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/colindjk/extensible-shell-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7f6e2a021d3dd759365e6042e25deb9a612c9c6
[INFO] sha for GitHub repo colindjk/extensible-shell-rs: a7f6e2a021d3dd759365e6042e25deb9a612c9c6
[INFO] validating manifest of colindjk/extensible-shell-rs 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 colindjk/extensible-shell-rs 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 colindjk/extensible-shell-rs
[INFO] finished frobbing colindjk/extensible-shell-rs
[INFO] frobbed toml for colindjk/extensible-shell-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/colindjk/extensible-shell-rs/Cargo.toml
[INFO] started frobbing colindjk/extensible-shell-rs
[INFO] finished frobbing colindjk/extensible-shell-rs
[INFO] frobbed toml for colindjk/extensible-shell-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/colindjk/extensible-shell-rs/Cargo.toml
[INFO] crate colindjk/extensible-shell-rs 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 colindjk/extensible-shell-rs 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/colindjk/extensible-shell-rs:/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] cc51b80aeb461783d02b2a4bd27428ff17b09a517e5e6a70f1eafede0870c9be
[INFO] running `"docker" "start" "-a" "cc51b80aeb461783d02b2a4bd27428ff17b09a517e5e6a70f1eafede0870c9be"`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `input`
[INFO] [stderr]   --> src/parse.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     input: &'a str
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "cc51b80aeb461783d02b2a4bd27428ff17b09a517e5e6a70f1eafede0870c9be"`
[INFO] running `"docker" "rm" "-f" "cc51b80aeb461783d02b2a4bd27428ff17b09a517e5e6a70f1eafede0870c9be"`
[INFO] [stdout] cc51b80aeb461783d02b2a4bd27428ff17b09a517e5e6a70f1eafede0870c9be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/colindjk/extensible-shell-rs:/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] 9ecafa1869df847d0b7778d5909e6eb61f323492a5d6712ae0aa0f98043d3b96
[INFO] running `"docker" "start" "-a" "9ecafa1869df847d0b7778d5909e6eb61f323492a5d6712ae0aa0f98043d3b96"`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `input`
[INFO] [stderr]   --> src/parse.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     input: &'a str
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "9ecafa1869df847d0b7778d5909e6eb61f323492a5d6712ae0aa0f98043d3b96"`
[INFO] running `"docker" "rm" "-f" "9ecafa1869df847d0b7778d5909e6eb61f323492a5d6712ae0aa0f98043d3b96"`
[INFO] [stdout] 9ecafa1869df847d0b7778d5909e6eb61f323492a5d6712ae0aa0f98043d3b96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/colindjk/extensible-shell-rs:/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] 3b16d8932d2231528f884ca84dd5147ab956e5cab6525777b90a6216ac6ccc83
[INFO] running `"docker" "start" "-a" "3b16d8932d2231528f884ca84dd5147ab956e5cab6525777b90a6216ac6ccc83"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shell-66d02f0ee241eac8
[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" "3b16d8932d2231528f884ca84dd5147ab956e5cab6525777b90a6216ac6ccc83"`
[INFO] running `"docker" "rm" "-f" "3b16d8932d2231528f884ca84dd5147ab956e5cab6525777b90a6216ac6ccc83"`
[INFO] [stdout] 3b16d8932d2231528f884ca84dd5147ab956e5cab6525777b90a6216ac6ccc83