[INFO] updating cached repository windmilleng/kubutton
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/windmilleng/kubutton
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/windmilleng/kubutton" "work/ex/beta-1.38-1/sources/1.37.0/gh/windmilleng/kubutton"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/windmilleng/kubutton'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/windmilleng/kubutton" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/windmilleng/kubutton"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/windmilleng/kubutton'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e457cc4ab1da99ee2e87a54ca9831776fe6a66fc
[INFO] sha for GitHub repo windmilleng/kubutton: e457cc4ab1da99ee2e87a54ca9831776fe6a66fc
[INFO] validating manifest of windmilleng/kubutton 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 windmilleng/kubutton 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 windmilleng/kubutton
[INFO] finished frobbing windmilleng/kubutton
[INFO] frobbed toml for windmilleng/kubutton written to work/ex/beta-1.38-1/sources/1.37.0/gh/windmilleng/kubutton/Cargo.toml
[INFO] started frobbing windmilleng/kubutton
[INFO] finished frobbing windmilleng/kubutton
[INFO] frobbed toml for windmilleng/kubutton written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/windmilleng/kubutton/Cargo.toml
[INFO] crate windmilleng/kubutton 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 windmilleng/kubutton 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/windmilleng/kubutton:/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] b6e6eca7484fdfcf74e6882b1a25a43a8d90e2ea860202f3e24cb60af45e7182
[INFO] running `"docker" "start" "-a" "b6e6eca7484fdfcf74e6882b1a25a43a8d90e2ea860202f3e24cb60af45e7182"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling openssl v0.10.21
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.45
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling cookie v0.11.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling serialport v3.2.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.28
[INFO] [stderr]    Compiling cookie_store v0.5.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.16
[INFO] [stderr]    Compiling kubutton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "b6e6eca7484fdfcf74e6882b1a25a43a8d90e2ea860202f3e24cb60af45e7182"`
[INFO] running `"docker" "rm" "-f" "b6e6eca7484fdfcf74e6882b1a25a43a8d90e2ea860202f3e24cb60af45e7182"`
[INFO] [stdout] b6e6eca7484fdfcf74e6882b1a25a43a8d90e2ea860202f3e24cb60af45e7182
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/windmilleng/kubutton:/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] c9e8681fc5cc0731e4f11452a170147a64233fd2f770188c59e72b500aad7c79
[INFO] running `"docker" "start" "-a" "c9e8681fc5cc0731e4f11452a170147a64233fd2f770188c59e72b500aad7c79"`
[INFO] [stderr]    Compiling kubutton v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "c9e8681fc5cc0731e4f11452a170147a64233fd2f770188c59e72b500aad7c79"`
[INFO] running `"docker" "rm" "-f" "c9e8681fc5cc0731e4f11452a170147a64233fd2f770188c59e72b500aad7c79"`
[INFO] [stdout] c9e8681fc5cc0731e4f11452a170147a64233fd2f770188c59e72b500aad7c79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/windmilleng/kubutton:/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] a8393de7fc28995f1f912dec772323d0dae38564f856d551cfe9598d3db82324
[INFO] running `"docker" "start" "-a" "a8393de7fc28995f1f912dec772323d0dae38564f856d551cfe9598d3db82324"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kubutton-0947288c4695360c
[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" "a8393de7fc28995f1f912dec772323d0dae38564f856d551cfe9598d3db82324"`
[INFO] running `"docker" "rm" "-f" "a8393de7fc28995f1f912dec772323d0dae38564f856d551cfe9598d3db82324"`
[INFO] [stdout] a8393de7fc28995f1f912dec772323d0dae38564f856d551cfe9598d3db82324