[INFO] updating cached repository courajs/mkchoice-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/courajs/mkchoice-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/courajs/mkchoice-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/courajs/mkchoice-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/courajs/mkchoice-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/courajs/mkchoice-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb44715679a56f7dd8ca91264672c0a21a6b4745
[INFO] sha for GitHub repo courajs/mkchoice-rs: bb44715679a56f7dd8ca91264672c0a21a6b4745
[INFO] validating manifest of courajs/mkchoice-rs 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 courajs/mkchoice-rs 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 courajs/mkchoice-rs
[INFO] finished frobbing courajs/mkchoice-rs
[INFO] frobbed toml for courajs/mkchoice-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-rs/Cargo.toml
[INFO] started frobbing courajs/mkchoice-rs
[INFO] finished frobbing courajs/mkchoice-rs
[INFO] frobbed toml for courajs/mkchoice-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/courajs/mkchoice-rs/Cargo.toml
[INFO] crate courajs/mkchoice-rs 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 courajs/mkchoice-rs 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-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=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] 21eeb11bc4400c5b6e0a190660922d0a670f6cae0fe2778a55f47ca34f6083f0
[INFO] running `"docker" "start" "-a" "21eeb11bc4400c5b6e0a190660922d0a670f6cae0fe2778a55f47ca34f6083f0"`
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling mkchoice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "21eeb11bc4400c5b6e0a190660922d0a670f6cae0fe2778a55f47ca34f6083f0"`
[INFO] running `"docker" "rm" "-f" "21eeb11bc4400c5b6e0a190660922d0a670f6cae0fe2778a55f47ca34f6083f0"`
[INFO] [stdout] 21eeb11bc4400c5b6e0a190660922d0a670f6cae0fe2778a55f47ca34f6083f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-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=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] 33b754b9c4d680f113719b7c40d93ae1f14adf0abaf7c256ff5747dfce6e3084
[INFO] running `"docker" "start" "-a" "33b754b9c4d680f113719b7c40d93ae1f14adf0abaf7c256ff5747dfce6e3084"`
[INFO] [stderr]    Compiling mkchoice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "33b754b9c4d680f113719b7c40d93ae1f14adf0abaf7c256ff5747dfce6e3084"`
[INFO] running `"docker" "rm" "-f" "33b754b9c4d680f113719b7c40d93ae1f14adf0abaf7c256ff5747dfce6e3084"`
[INFO] [stdout] 33b754b9c4d680f113719b7c40d93ae1f14adf0abaf7c256ff5747dfce6e3084
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/courajs/mkchoice-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=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] e3fad54dc3a66776347022b1305c22869df4bc19c287262753e2682b0919f086
[INFO] running `"docker" "start" "-a" "e3fad54dc3a66776347022b1305c22869df4bc19c287262753e2682b0919f086"`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mkchoice-abba3f2f4fc6dc6a
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e3fad54dc3a66776347022b1305c22869df4bc19c287262753e2682b0919f086"`
[INFO] running `"docker" "rm" "-f" "e3fad54dc3a66776347022b1305c22869df4bc19c287262753e2682b0919f086"`
[INFO] [stdout] e3fad54dc3a66776347022b1305c22869df4bc19c287262753e2682b0919f086