[INFO] updating cached repository deralex/letop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deralex/letop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deralex/letop" "work/ex/beta-1.38-1/sources/1.37.0/gh/deralex/letop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/deralex/letop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deralex/letop" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deralex/letop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deralex/letop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c521bfafd9c98bc9b7d4ef01a7575640fb22ac41
[INFO] sha for GitHub repo deralex/letop: c521bfafd9c98bc9b7d4ef01a7575640fb22ac41
[INFO] validating manifest of deralex/letop 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 deralex/letop 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 deralex/letop
[INFO] finished frobbing deralex/letop
[INFO] frobbed toml for deralex/letop written to work/ex/beta-1.38-1/sources/1.37.0/gh/deralex/letop/Cargo.toml
[INFO] started frobbing deralex/letop
[INFO] finished frobbing deralex/letop
[INFO] frobbed toml for deralex/letop written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deralex/letop/Cargo.toml
[INFO] crate deralex/letop 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/deralex/letop/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 deralex/letop 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/deralex/letop:/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] 44ac2fc18d02a8b746c20bd67c1d208e1c2081ba48f6ca48210e62d1c3355bda
[INFO] running `"docker" "start" "-a" "44ac2fc18d02a8b746c20bd67c1d208e1c2081ba48f6ca48210e62d1c3355bda"`
[INFO] [stderr]    Compiling libudis86-sys v0.2.1
[INFO] [stderr]    Compiling letop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `"docker" "inspect" "44ac2fc18d02a8b746c20bd67c1d208e1c2081ba48f6ca48210e62d1c3355bda"`
[INFO] running `"docker" "rm" "-f" "44ac2fc18d02a8b746c20bd67c1d208e1c2081ba48f6ca48210e62d1c3355bda"`
[INFO] [stdout] 44ac2fc18d02a8b746c20bd67c1d208e1c2081ba48f6ca48210e62d1c3355bda
[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/deralex/letop:/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] 093641a8e5ece261325c94de430d6c3f9b47b1e0aa8e3447fd6187c2d0ca293d
[INFO] running `"docker" "start" "-a" "093641a8e5ece261325c94de430d6c3f9b47b1e0aa8e3447fd6187c2d0ca293d"`
[INFO] [stderr]    Compiling letop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "093641a8e5ece261325c94de430d6c3f9b47b1e0aa8e3447fd6187c2d0ca293d"`
[INFO] running `"docker" "rm" "-f" "093641a8e5ece261325c94de430d6c3f9b47b1e0aa8e3447fd6187c2d0ca293d"`
[INFO] [stdout] 093641a8e5ece261325c94de430d6c3f9b47b1e0aa8e3447fd6187c2d0ca293d
[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/deralex/letop:/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] 8a21e5d7ca4b60c5948be93898dd3efc05379faec16fbe33b7adf3329636c75f
[INFO] running `"docker" "start" "-a" "8a21e5d7ca4b60c5948be93898dd3efc05379faec16fbe33b7adf3329636c75f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/letop-f7acaf0c3ecf6496
[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" "8a21e5d7ca4b60c5948be93898dd3efc05379faec16fbe33b7adf3329636c75f"`
[INFO] running `"docker" "rm" "-f" "8a21e5d7ca4b60c5948be93898dd3efc05379faec16fbe33b7adf3329636c75f"`
[INFO] [stdout] 8a21e5d7ca4b60c5948be93898dd3efc05379faec16fbe33b7adf3329636c75f