[INFO] updating cached repository jasonwhite/button-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jasonwhite/button-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonwhite/button-rs" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jasonwhite/button-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jasonwhite/button-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonwhite/button-rs" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jasonwhite/button-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jasonwhite/button-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31567ec08aa213d567691721fc672da92f7beee4
[INFO] sha for GitHub repo jasonwhite/button-rs: 31567ec08aa213d567691721fc672da92f7beee4
[INFO] validating manifest of jasonwhite/button-rs on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jasonwhite/button-rs on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jasonwhite/button-rs
[INFO] finished frobbing jasonwhite/button-rs
[INFO] frobbed toml for jasonwhite/button-rs written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jasonwhite/button-rs/Cargo.toml
[INFO] started frobbing jasonwhite/button-rs
[INFO] finished frobbing jasonwhite/button-rs
[INFO] frobbed toml for jasonwhite/button-rs written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jasonwhite/button-rs/Cargo.toml
[INFO] crate jasonwhite/button-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jasonwhite/button-rs against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jasonwhite/button-rs:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 9c2caf4cffc613ea5a561ab9319a111d53da24e36c6a19e4b3493f870ebd38b6
[INFO] running `"docker" "start" "-a" "9c2caf4cffc613ea5a561ab9319a111d53da24e36c6a19e4b3493f870ebd38b6"`
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling smallvec v0.6.6
[INFO] [stderr]    Compiling holyhashmap v0.1.1
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling os_pipe v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling crossbeam-channel v0.3.2
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.16
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling button v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.88s
[INFO] running `"docker" "inspect" "9c2caf4cffc613ea5a561ab9319a111d53da24e36c6a19e4b3493f870ebd38b6"`
[INFO] running `"docker" "rm" "-f" "9c2caf4cffc613ea5a561ab9319a111d53da24e36c6a19e4b3493f870ebd38b6"`
[INFO] [stdout] 9c2caf4cffc613ea5a561ab9319a111d53da24e36c6a19e4b3493f870ebd38b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jasonwhite/button-rs:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e32d82381a3760a6621a5db6c3b2e45a84a1c29c659375f00bc1af757018e3c9
[INFO] running `"docker" "start" "-a" "e32d82381a3760a6621a5db6c3b2e45a84a1c29c659375f00bc1af757018e3c9"`
[INFO] [stderr]    Compiling button v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `"docker" "inspect" "e32d82381a3760a6621a5db6c3b2e45a84a1c29c659375f00bc1af757018e3c9"`
[INFO] running `"docker" "rm" "-f" "e32d82381a3760a6621a5db6c3b2e45a84a1c29c659375f00bc1af757018e3c9"`
[INFO] [stdout] e32d82381a3760a6621a5db6c3b2e45a84a1c29c659375f00bc1af757018e3c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jasonwhite/button-rs:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 78e8d15dd39894e3cb11082d09c35f281aae2511f1a0b65fab46b23a95ffeae0
[INFO] running `"docker" "start" "-a" "78e8d15dd39894e3cb11082d09c35f281aae2511f1a0b65fab46b23a95ffeae0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/button-ed3a108c68ed3efd
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test build_graph::tests::test_good_graph ... ok
[INFO] [stdout] test build_graph::tests::test_cycles ... ok
[INFO] [stdout] test task::makedir::tests::test_known_outputs ... ok
[INFO] [stdout] test util::args::tests::test_arg_display ... ok
[INFO] [stdout] test task::command::tests::test_command_display ... ok
[INFO] [stdout] test graph::base::tests::test_smoke ... ok
[INFO] [stdout] test graph::base::tests::test_tarjan ... ok
[INFO] [stdout] test res::file::tests::test_normalized ... ok
[INFO] [stdout] test rules::tests::test_loading ... ok
[INFO] [stdout] test graph::base::tests::diff ... ok
[INFO] [stdout] test util::path::tests::test_relative_from ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/button-44f14c4103ea7fd1
[INFO] [stdout] test build_graph::tests::test_races ... ok
[INFO] [stdout] test util::iter::tests::test_empty_or_any ... ok
[INFO] [stdout] test util::path::tests::test_norm ... ok
[INFO] [stdout] test util::make::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 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]    Doc-tests button
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/button/util/retry.rs - util::retry (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "78e8d15dd39894e3cb11082d09c35f281aae2511f1a0b65fab46b23a95ffeae0"`
[INFO] running `"docker" "rm" "-f" "78e8d15dd39894e3cb11082d09c35f281aae2511f1a0b65fab46b23a95ffeae0"`
[INFO] [stdout] 78e8d15dd39894e3cb11082d09c35f281aae2511f1a0b65fab46b23a95ffeae0