[INFO] fetching crate cargo-first 0.1.4...
[INFO] extracting crate cargo-first 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-first/0.1.4
[INFO] extracting crate cargo-first 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-first/0.1.4
[INFO] validating manifest of cargo-first-0.1.4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cargo-first-0.1.4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cargo-first-0.1.4
[INFO] finished frobbing cargo-first-0.1.4
[INFO] frobbed toml for cargo-first-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-first/0.1.4/Cargo.toml
[INFO] started frobbing cargo-first-0.1.4
[INFO] finished frobbing cargo-first-0.1.4
[INFO] frobbed toml for cargo-first-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-first/0.1.4/Cargo.toml
[INFO] crate cargo-first-0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cargo-first-0.1.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-first/0.1.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8f31de85db2947a639f2554de1f25ab58d2a0d60ff346254d76c9aa22df3f5d0
[INFO] running `"docker" "start" "-a" "8f31de85db2947a639f2554de1f25ab58d2a0d60ff346254d76c9aa22df3f5d0"`
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling atty v0.2.12
[INFO] [stderr]    Compiling cargo-first v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `"docker" "inspect" "8f31de85db2947a639f2554de1f25ab58d2a0d60ff346254d76c9aa22df3f5d0"`
[INFO] running `"docker" "rm" "-f" "8f31de85db2947a639f2554de1f25ab58d2a0d60ff346254d76c9aa22df3f5d0"`
[INFO] [stdout] 8f31de85db2947a639f2554de1f25ab58d2a0d60ff346254d76c9aa22df3f5d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-first/0.1.4:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5e2f6cecf0ec802420aa21cce12ea29c280a95e002bf3aa9b688fb6dc2f1a0a0
[INFO] running `"docker" "start" "-a" "5e2f6cecf0ec802420aa21cce12ea29c280a95e002bf3aa9b688fb6dc2f1a0a0"`
[INFO] [stderr]    Compiling cargo-first v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "5e2f6cecf0ec802420aa21cce12ea29c280a95e002bf3aa9b688fb6dc2f1a0a0"`
[INFO] running `"docker" "rm" "-f" "5e2f6cecf0ec802420aa21cce12ea29c280a95e002bf3aa9b688fb6dc2f1a0a0"`
[INFO] [stdout] 5e2f6cecf0ec802420aa21cce12ea29c280a95e002bf3aa9b688fb6dc2f1a0a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-first/0.1.4:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] dbd0794fec723debda5560254e803450662d7b44422366ecca86c830bcc2690e
[INFO] running `"docker" "start" "-a" "dbd0794fec723debda5560254e803450662d7b44422366ecca86c830bcc2690e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_first-833bdef84dbb957d
[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" "dbd0794fec723debda5560254e803450662d7b44422366ecca86c830bcc2690e"`
[INFO] running `"docker" "rm" "-f" "dbd0794fec723debda5560254e803450662d7b44422366ecca86c830bcc2690e"`
[INFO] [stdout] dbd0794fec723debda5560254e803450662d7b44422366ecca86c830bcc2690e