[INFO] updating cached repository museun/dust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/museun/dust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/dust" "work/ex/beta-1.38-1/sources/1.37.0/gh/museun/dust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/museun/dust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/dust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/dust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/dust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f287d343e704ef44db7f1bafe9a5dc1289818a72
[INFO] sha for GitHub repo museun/dust: f287d343e704ef44db7f1bafe9a5dc1289818a72
[INFO] validating manifest of museun/dust 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 museun/dust 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 museun/dust
[INFO] finished frobbing museun/dust
[INFO] frobbed toml for museun/dust written to work/ex/beta-1.38-1/sources/1.37.0/gh/museun/dust/Cargo.toml
[INFO] started frobbing museun/dust
[INFO] finished frobbing museun/dust
[INFO] frobbed toml for museun/dust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/dust/Cargo.toml
[INFO] crate museun/dust 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 museun/dust 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/dust:/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] 696db12cf8b7f7b79e9652a4bc0c86b4415dffa63e11a047988a21db28fb28a0
[INFO] running `"docker" "start" "-a" "696db12cf8b7f7b79e9652a4bc0c86b4415dffa63e11a047988a21db28fb28a0"`
[INFO] [stderr]    Compiling dust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "696db12cf8b7f7b79e9652a4bc0c86b4415dffa63e11a047988a21db28fb28a0"`
[INFO] running `"docker" "rm" "-f" "696db12cf8b7f7b79e9652a4bc0c86b4415dffa63e11a047988a21db28fb28a0"`
[INFO] [stdout] 696db12cf8b7f7b79e9652a4bc0c86b4415dffa63e11a047988a21db28fb28a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/dust:/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] 60ec6ce4ea52abe4c6bdd198cdda065b0d19a82bf386acade18d67e77075923b
[INFO] running `"docker" "start" "-a" "60ec6ce4ea52abe4c6bdd198cdda065b0d19a82bf386acade18d67e77075923b"`
[INFO] [stderr]    Compiling dust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "60ec6ce4ea52abe4c6bdd198cdda065b0d19a82bf386acade18d67e77075923b"`
[INFO] running `"docker" "rm" "-f" "60ec6ce4ea52abe4c6bdd198cdda065b0d19a82bf386acade18d67e77075923b"`
[INFO] [stdout] 60ec6ce4ea52abe4c6bdd198cdda065b0d19a82bf386acade18d67e77075923b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/dust:/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] f88d18d45b924fbfe6333f6380549a7c323e4cf3beea7bd632efdf953b64d5cb
[INFO] running `"docker" "start" "-a" "f88d18d45b924fbfe6333f6380549a7c323e4cf3beea7bd632efdf953b64d5cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dust-9a64203d0310afdd
[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" "f88d18d45b924fbfe6333f6380549a7c323e4cf3beea7bd632efdf953b64d5cb"`
[INFO] running `"docker" "rm" "-f" "f88d18d45b924fbfe6333f6380549a7c323e4cf3beea7bd632efdf953b64d5cb"`
[INFO] [stdout] f88d18d45b924fbfe6333f6380549a7c323e4cf3beea7bd632efdf953b64d5cb