[INFO] updating cached repository killercup/rust-dbg-enhancer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/killercup/rust-dbg-enhancer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/killercup/rust-dbg-enhancer" "work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/rust-dbg-enhancer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/rust-dbg-enhancer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/killercup/rust-dbg-enhancer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/killercup/rust-dbg-enhancer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/killercup/rust-dbg-enhancer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b23942f45755414b975a5b9da90662c0de646cc
[INFO] sha for GitHub repo killercup/rust-dbg-enhancer: 8b23942f45755414b975a5b9da90662c0de646cc
[INFO] validating manifest of killercup/rust-dbg-enhancer 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 killercup/rust-dbg-enhancer 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 killercup/rust-dbg-enhancer
[INFO] finished frobbing killercup/rust-dbg-enhancer
[INFO] frobbed toml for killercup/rust-dbg-enhancer written to work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/rust-dbg-enhancer/Cargo.toml
[INFO] started frobbing killercup/rust-dbg-enhancer
[INFO] finished frobbing killercup/rust-dbg-enhancer
[INFO] frobbed toml for killercup/rust-dbg-enhancer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/killercup/rust-dbg-enhancer/Cargo.toml
[INFO] crate killercup/rust-dbg-enhancer 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 killercup/rust-dbg-enhancer 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/rust-dbg-enhancer:/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] 279b2ebf700a5291a85bee3a690e5f37cadd19fce6aa71f14d3d5ff51d52e2e8
[INFO] running `"docker" "start" "-a" "279b2ebf700a5291a85bee3a690e5f37cadd19fce6aa71f14d3d5ff51d52e2e8"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling from-pest v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling snafu-derive v0.4.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling snafu v0.4.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling single v1.0.0
[INFO] [stderr]    Compiling pest-ast v0.3.3
[INFO] [stderr]    Compiling rust-dbg-enhancer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.35s
[INFO] running `"docker" "inspect" "279b2ebf700a5291a85bee3a690e5f37cadd19fce6aa71f14d3d5ff51d52e2e8"`
[INFO] running `"docker" "rm" "-f" "279b2ebf700a5291a85bee3a690e5f37cadd19fce6aa71f14d3d5ff51d52e2e8"`
[INFO] [stdout] 279b2ebf700a5291a85bee3a690e5f37cadd19fce6aa71f14d3d5ff51d52e2e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/rust-dbg-enhancer:/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] f0ff56654d0e7f39351deaa82f1d58c14db497b1f1c104b4974037f565b29f7a
[INFO] running `"docker" "start" "-a" "f0ff56654d0e7f39351deaa82f1d58c14db497b1f1c104b4974037f565b29f7a"`
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ci_info v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling console v0.7.7
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling ron v0.4.2
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling insta v0.8.1
[INFO] [stderr]    Compiling rust-dbg-enhancer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.37s
[INFO] running `"docker" "inspect" "f0ff56654d0e7f39351deaa82f1d58c14db497b1f1c104b4974037f565b29f7a"`
[INFO] running `"docker" "rm" "-f" "f0ff56654d0e7f39351deaa82f1d58c14db497b1f1c104b4974037f565b29f7a"`
[INFO] [stdout] f0ff56654d0e7f39351deaa82f1d58c14db497b1f1c104b4974037f565b29f7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/killercup/rust-dbg-enhancer:/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] 82c07aabfc4a7cc2c9bf5adef1c67575145b93b779c29540a7c82e197c4719bd
[INFO] running `"docker" "start" "-a" "82c07aabfc4a7cc2c9bf5adef1c67575145b93b779c29540a7c82e197c4719bd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_dbg_enhancer-96824bb2201ff16d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_dbg_enhancer-89a38f6349d4d142
[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] [stderr]      Running /opt/crater/target/debug/deps/samples-96ef5d5404c83500
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pest_pairs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-dbg-enhancer
[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" "82c07aabfc4a7cc2c9bf5adef1c67575145b93b779c29540a7c82e197c4719bd"`
[INFO] running `"docker" "rm" "-f" "82c07aabfc4a7cc2c9bf5adef1c67575145b93b779c29540a7c82e197c4719bd"`
[INFO] [stdout] 82c07aabfc4a7cc2c9bf5adef1c67575145b93b779c29540a7c82e197c4719bd