[INFO] updating cached repository diserere/rust-test-coverage
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/diserere/rust-test-coverage
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/diserere/rust-test-coverage" "work/ex/beta-1.37-6/sources/1.36.0/gh/diserere/rust-test-coverage"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/diserere/rust-test-coverage'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/diserere/rust-test-coverage" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/diserere/rust-test-coverage"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/diserere/rust-test-coverage'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e27be5ebabfeb783ddb9905602dd090c4137c8cb
[INFO] sha for GitHub repo diserere/rust-test-coverage: e27be5ebabfeb783ddb9905602dd090c4137c8cb
[INFO] validating manifest of diserere/rust-test-coverage 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 diserere/rust-test-coverage 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 diserere/rust-test-coverage
[INFO] finished frobbing diserere/rust-test-coverage
[INFO] frobbed toml for diserere/rust-test-coverage written to work/ex/beta-1.37-6/sources/1.36.0/gh/diserere/rust-test-coverage/Cargo.toml
[INFO] started frobbing diserere/rust-test-coverage
[INFO] finished frobbing diserere/rust-test-coverage
[INFO] frobbed toml for diserere/rust-test-coverage written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/diserere/rust-test-coverage/Cargo.toml
[INFO] crate diserere/rust-test-coverage 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 diserere/rust-test-coverage 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/diserere/rust-test-coverage:/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] 92d572e1e3c14e14810bbc9296105eeb937a62294680846e954627eb27cc8190
[INFO] running `"docker" "start" "-a" "92d572e1e3c14e14810bbc9296105eeb937a62294680846e954627eb27cc8190"`
[INFO] [stderr]    Compiling test_cov_kcov v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "92d572e1e3c14e14810bbc9296105eeb937a62294680846e954627eb27cc8190"`
[INFO] running `"docker" "rm" "-f" "92d572e1e3c14e14810bbc9296105eeb937a62294680846e954627eb27cc8190"`
[INFO] [stdout] 92d572e1e3c14e14810bbc9296105eeb937a62294680846e954627eb27cc8190
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/diserere/rust-test-coverage:/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] c8710f6dad2595193fb5ecc907fc8aca05d47b955a2d0ea7f9c86b2410c88d76
[INFO] running `"docker" "start" "-a" "c8710f6dad2595193fb5ecc907fc8aca05d47b955a2d0ea7f9c86b2410c88d76"`
[INFO] [stderr]    Compiling test_cov_kcov v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/main.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "c8710f6dad2595193fb5ecc907fc8aca05d47b955a2d0ea7f9c86b2410c88d76"`
[INFO] running `"docker" "rm" "-f" "c8710f6dad2595193fb5ecc907fc8aca05d47b955a2d0ea7f9c86b2410c88d76"`
[INFO] [stdout] c8710f6dad2595193fb5ecc907fc8aca05d47b955a2d0ea7f9c86b2410c88d76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/diserere/rust-test-coverage:/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] 6abde8800765c6104fba50668e184625b67b7abfd5dc7a1a430615a808321a78
[INFO] running `"docker" "start" "-a" "6abde8800765c6104fba50668e184625b67b7abfd5dc7a1a430615a808321a78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_cov_kcov-f17a1f2d0fb1a377
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_all-efe15bef33e926a9
[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] running `"docker" "inspect" "6abde8800765c6104fba50668e184625b67b7abfd5dc7a1a430615a808321a78"`
[INFO] running `"docker" "rm" "-f" "6abde8800765c6104fba50668e184625b67b7abfd5dc7a1a430615a808321a78"`
[INFO] [stdout] 6abde8800765c6104fba50668e184625b67b7abfd5dc7a1a430615a808321a78