[INFO] updating cached repository MaikKlein/buildtimes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MaikKlein/buildtimes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MaikKlein/buildtimes" "work/ex/beta-1.38-1/sources/1.37.0/gh/MaikKlein/buildtimes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MaikKlein/buildtimes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MaikKlein/buildtimes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MaikKlein/buildtimes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MaikKlein/buildtimes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a82fe7f3444cbb1aa60ca713e0409e8e7c821016
[INFO] sha for GitHub repo MaikKlein/buildtimes: a82fe7f3444cbb1aa60ca713e0409e8e7c821016
[INFO] validating manifest of MaikKlein/buildtimes 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 MaikKlein/buildtimes 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 MaikKlein/buildtimes
[INFO] finished frobbing MaikKlein/buildtimes
[INFO] frobbed toml for MaikKlein/buildtimes written to work/ex/beta-1.38-1/sources/1.37.0/gh/MaikKlein/buildtimes/Cargo.toml
[INFO] started frobbing MaikKlein/buildtimes
[INFO] finished frobbing MaikKlein/buildtimes
[INFO] frobbed toml for MaikKlein/buildtimes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MaikKlein/buildtimes/Cargo.toml
[INFO] crate MaikKlein/buildtimes 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 MaikKlein/buildtimes 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/MaikKlein/buildtimes:/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] 20d271f22d1e5a5c9342256fe1905bc59785d2638f40a0503af65eaf99251ed1
[INFO] running `"docker" "start" "-a" "20d271f22d1e5a5c9342256fe1905bc59785d2638f40a0503af65eaf99251ed1"`
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling gltf v0.4.0
[INFO] [stderr]    Compiling buildtimes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `gltf`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let gltf = Gltf::open("").expect("Error loading glTF asset");
[INFO] [stderr]   |         ^^^^ help: consider prefixing with an underscore: `_gltf`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `"docker" "inspect" "20d271f22d1e5a5c9342256fe1905bc59785d2638f40a0503af65eaf99251ed1"`
[INFO] running `"docker" "rm" "-f" "20d271f22d1e5a5c9342256fe1905bc59785d2638f40a0503af65eaf99251ed1"`
[INFO] [stdout] 20d271f22d1e5a5c9342256fe1905bc59785d2638f40a0503af65eaf99251ed1
[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/MaikKlein/buildtimes:/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] 413ddf076eb08c418508ba5d814fac9d649f23225861cf3b7fa5d370bbc2680a
[INFO] running `"docker" "start" "-a" "413ddf076eb08c418508ba5d814fac9d649f23225861cf3b7fa5d370bbc2680a"`
[INFO] [stderr]    Compiling buildtimes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `gltf`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let gltf = Gltf::open("").expect("Error loading glTF asset");
[INFO] [stderr]   |         ^^^^ help: consider prefixing with an underscore: `_gltf`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "413ddf076eb08c418508ba5d814fac9d649f23225861cf3b7fa5d370bbc2680a"`
[INFO] running `"docker" "rm" "-f" "413ddf076eb08c418508ba5d814fac9d649f23225861cf3b7fa5d370bbc2680a"`
[INFO] [stdout] 413ddf076eb08c418508ba5d814fac9d649f23225861cf3b7fa5d370bbc2680a
[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/MaikKlein/buildtimes:/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] e04f9ffb955536cd8af66c6f4084948cca58add4943674707fab3458ed122140
[INFO] running `"docker" "start" "-a" "e04f9ffb955536cd8af66c6f4084948cca58add4943674707fab3458ed122140"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buildtimes-54ec52e45c0498eb
[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" "e04f9ffb955536cd8af66c6f4084948cca58add4943674707fab3458ed122140"`
[INFO] running `"docker" "rm" "-f" "e04f9ffb955536cd8af66c6f4084948cca58add4943674707fab3458ed122140"`
[INFO] [stdout] e04f9ffb955536cd8af66c6f4084948cca58add4943674707fab3458ed122140