[INFO] updating cached repository fneddy/travistest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fneddy/travistest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fneddy/travistest" "work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/travistest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/travistest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fneddy/travistest" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fneddy/travistest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fneddy/travistest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1697b0ccdb705f06c5471b79858d879a9059ff7a
[INFO] sha for GitHub repo fneddy/travistest: 1697b0ccdb705f06c5471b79858d879a9059ff7a
[INFO] validating manifest of fneddy/travistest 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 fneddy/travistest 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 fneddy/travistest
[INFO] finished frobbing fneddy/travistest
[INFO] frobbed toml for fneddy/travistest written to work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/travistest/Cargo.toml
[INFO] started frobbing fneddy/travistest
[INFO] finished frobbing fneddy/travistest
[INFO] frobbed toml for fneddy/travistest written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fneddy/travistest/Cargo.toml
[INFO] crate fneddy/travistest 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 fneddy/travistest 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/travistest:/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] a3d0d41a65fab6c594b46b080005ab5061a5aec3b29c1cd24f98232373444f6a
[INFO] running `"docker" "start" "-a" "a3d0d41a65fab6c594b46b080005ab5061a5aec3b29c1cd24f98232373444f6a"`
[INFO] [stderr]    Compiling travistest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `libprobe`
[INFO] [stderr]  --> src/main.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let libprobe = | lib: &str | -> bool {
[INFO] [stderr]   |       ^^^^^^^^ help: consider prefixing with an underscore: `_libprobe`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "a3d0d41a65fab6c594b46b080005ab5061a5aec3b29c1cd24f98232373444f6a"`
[INFO] running `"docker" "rm" "-f" "a3d0d41a65fab6c594b46b080005ab5061a5aec3b29c1cd24f98232373444f6a"`
[INFO] [stdout] a3d0d41a65fab6c594b46b080005ab5061a5aec3b29c1cd24f98232373444f6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/travistest:/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] 20527af7a2555fd0ded9ec23081210cf4bc5afc096c503bc79f5b0671f1fe0bf
[INFO] running `"docker" "start" "-a" "20527af7a2555fd0ded9ec23081210cf4bc5afc096c503bc79f5b0671f1fe0bf"`
[INFO] [stderr]    Compiling travistest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `libprobe`
[INFO] [stderr]  --> src/main.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let libprobe = | lib: &str | -> bool {
[INFO] [stderr]   |       ^^^^^^^^ help: consider prefixing with an underscore: `_libprobe`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "20527af7a2555fd0ded9ec23081210cf4bc5afc096c503bc79f5b0671f1fe0bf"`
[INFO] running `"docker" "rm" "-f" "20527af7a2555fd0ded9ec23081210cf4bc5afc096c503bc79f5b0671f1fe0bf"`
[INFO] [stdout] 20527af7a2555fd0ded9ec23081210cf4bc5afc096c503bc79f5b0671f1fe0bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fneddy/travistest:/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] 9a00dde6ffa62e526ae64dc074e7c0b37588808bf965ac572ca934ecce11b320
[INFO] running `"docker" "start" "-a" "9a00dde6ffa62e526ae64dc074e7c0b37588808bf965ac572ca934ecce11b320"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/travistest-df35515075e438ed
[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" "9a00dde6ffa62e526ae64dc074e7c0b37588808bf965ac572ca934ecce11b320"`
[INFO] running `"docker" "rm" "-f" "9a00dde6ffa62e526ae64dc074e7c0b37588808bf965ac572ca934ecce11b320"`
[INFO] [stdout] 9a00dde6ffa62e526ae64dc074e7c0b37588808bf965ac572ca934ecce11b320