[INFO] updating cached repository https://github.com/Mcat12/backtrack
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a37c73ecf8ae1343a37bfea66982263d88bb0e4
[INFO] testing Mcat12/backtrack against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcat12%2Fbacktrack" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mcat12/backtrack on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Mcat12/backtrack
[INFO] finished tweaking git repo https://github.com/Mcat12/backtrack
[INFO] tweaked toml for git repo https://github.com/Mcat12/backtrack written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Mcat12/backtrack already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 09f0a8897fa4cd06df397bbdf29751fa12969a746bf092ce780c47cb996f41d7
[INFO] running `"docker" "start" "-a" "09f0a8897fa4cd06df397bbdf29751fa12969a746bf092ce780c47cb996f41d7"`
[INFO] [stderr]    Compiling backtrack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "09f0a8897fa4cd06df397bbdf29751fa12969a746bf092ce780c47cb996f41d7"`
[INFO] running `"docker" "rm" "-f" "09f0a8897fa4cd06df397bbdf29751fa12969a746bf092ce780c47cb996f41d7"`
[INFO] [stdout] 09f0a8897fa4cd06df397bbdf29751fa12969a746bf092ce780c47cb996f41d7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 09c02e25d0c74e517f3f6249f45097d37d8aafe53e49e070c0d01717be8251b4
[INFO] running `"docker" "start" "-a" "09c02e25d0c74e517f3f6249f45097d37d8aafe53e49e070c0d01717be8251b4"`
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]    Compiling criterion-plot v0.2.5
[INFO] [stderr]    Compiling criterion-stats v0.2.5
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling handlebars v0.32.4
[INFO] [stderr]    Compiling criterion v0.2.5
[INFO] [stderr]    Compiling backtrack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `"docker" "inspect" "09c02e25d0c74e517f3f6249f45097d37d8aafe53e49e070c0d01717be8251b4"`
[INFO] running `"docker" "rm" "-f" "09c02e25d0c74e517f3f6249f45097d37d8aafe53e49e070c0d01717be8251b4"`
[INFO] [stdout] 09c02e25d0c74e517f3f6249f45097d37d8aafe53e49e070c0d01717be8251b4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 397199abf4c001a1302811b9273e8444ad7e278383eaee009a8a7abc4d991a7a
[INFO] running `"docker" "start" "-a" "397199abf4c001a1302811b9273e8444ad7e278383eaee009a8a7abc4d991a7a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backtrack-2f2005ca34e9569f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test queen::tests::is_valid ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/8queens-91f34ec801b83b6b
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trunk_pack-f4a4f71a5c393235
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests backtrack
[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" "397199abf4c001a1302811b9273e8444ad7e278383eaee009a8a7abc4d991a7a"`
[INFO] running `"docker" "rm" "-f" "397199abf4c001a1302811b9273e8444ad7e278383eaee009a8a7abc4d991a7a"`
[INFO] [stdout] 397199abf4c001a1302811b9273e8444ad7e278383eaee009a8a7abc4d991a7a