[INFO] updating cached repository twh2898/tom_lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/twh2898/tom_lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/twh2898/tom_lang" "work/ex/beta-1.38-1/sources/1.37.0/gh/twh2898/tom_lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/twh2898/tom_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/twh2898/tom_lang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twh2898/tom_lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twh2898/tom_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b8f89c2db8c28737e53c2044e1ce4dc2ccac562
[INFO] sha for GitHub repo twh2898/tom_lang: 1b8f89c2db8c28737e53c2044e1ce4dc2ccac562
[INFO] validating manifest of twh2898/tom_lang 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 twh2898/tom_lang 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 twh2898/tom_lang
[INFO] finished frobbing twh2898/tom_lang
[INFO] frobbed toml for twh2898/tom_lang written to work/ex/beta-1.38-1/sources/1.37.0/gh/twh2898/tom_lang/Cargo.toml
[INFO] started frobbing twh2898/tom_lang
[INFO] finished frobbing twh2898/tom_lang
[INFO] frobbed toml for twh2898/tom_lang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twh2898/tom_lang/Cargo.toml
[INFO] crate twh2898/tom_lang 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing twh2898/tom_lang 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/twh2898/tom_lang:/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] 68e845adf6bf76cd24ef66d6efe95fc5d47174f1fee2f0b8fd8eb20e5df43cec
[INFO] running `"docker" "start" "-a" "68e845adf6bf76cd24ef66d6efe95fc5d47174f1fee2f0b8fd8eb20e5df43cec"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling nom v3.1.0
[INFO] [stderr]    Compiling tom_lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `"docker" "inspect" "68e845adf6bf76cd24ef66d6efe95fc5d47174f1fee2f0b8fd8eb20e5df43cec"`
[INFO] running `"docker" "rm" "-f" "68e845adf6bf76cd24ef66d6efe95fc5d47174f1fee2f0b8fd8eb20e5df43cec"`
[INFO] [stdout] 68e845adf6bf76cd24ef66d6efe95fc5d47174f1fee2f0b8fd8eb20e5df43cec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/twh2898/tom_lang:/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] 9c1f0eddb5ce4a98a85037cce27434ff8f025ed019e3c0dca8259cf4184f1797
[INFO] running `"docker" "start" "-a" "9c1f0eddb5ce4a98a85037cce27434ff8f025ed019e3c0dca8259cf4184f1797"`
[INFO] [stderr]    Compiling tom_lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `"docker" "inspect" "9c1f0eddb5ce4a98a85037cce27434ff8f025ed019e3c0dca8259cf4184f1797"`
[INFO] running `"docker" "rm" "-f" "9c1f0eddb5ce4a98a85037cce27434ff8f025ed019e3c0dca8259cf4184f1797"`
[INFO] [stdout] 9c1f0eddb5ce4a98a85037cce27434ff8f025ed019e3c0dca8259cf4184f1797
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/twh2898/tom_lang:/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] fef1f00b0f4382ea12132d840153d4aa408181426c784e11f24107f02bb6f808
[INFO] running `"docker" "start" "-a" "fef1f00b0f4382ea12132d840153d4aa408181426c784e11f24107f02bb6f808"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tom_lang-b74d97275cd154f8
[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" "fef1f00b0f4382ea12132d840153d4aa408181426c784e11f24107f02bb6f808"`
[INFO] running `"docker" "rm" "-f" "fef1f00b0f4382ea12132d840153d4aa408181426c784e11f24107f02bb6f808"`
[INFO] [stdout] fef1f00b0f4382ea12132d840153d4aa408181426c784e11f24107f02bb6f808