[INFO] updating cached repository TumblrCommunity/grepbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TumblrCommunity/grepbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TumblrCommunity/grepbot" "work/ex/beta-1.38-1/sources/1.37.0/gh/TumblrCommunity/grepbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TumblrCommunity/grepbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TumblrCommunity/grepbot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TumblrCommunity/grepbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TumblrCommunity/grepbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9afd096660f1c4a97e46e0aca9cc8aa3e1d7a8cd
[INFO] sha for GitHub repo TumblrCommunity/grepbot: 9afd096660f1c4a97e46e0aca9cc8aa3e1d7a8cd
[INFO] validating manifest of TumblrCommunity/grepbot 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 TumblrCommunity/grepbot 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 TumblrCommunity/grepbot
[INFO] finished frobbing TumblrCommunity/grepbot
[INFO] frobbed toml for TumblrCommunity/grepbot written to work/ex/beta-1.38-1/sources/1.37.0/gh/TumblrCommunity/grepbot/Cargo.toml
[INFO] started frobbing TumblrCommunity/grepbot
[INFO] finished frobbing TumblrCommunity/grepbot
[INFO] frobbed toml for TumblrCommunity/grepbot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TumblrCommunity/grepbot/Cargo.toml
[INFO] crate TumblrCommunity/grepbot 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/TumblrCommunity/grepbot/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[INFO] the lockfile is outdated, regenerating it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 TumblrCommunity/grepbot 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TumblrCommunity/grepbot:/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] b7972d8a980e8ae3e91f171bb17198a95f7b1af6cf784a5137391536a8da695e
[INFO] running `"docker" "start" "-a" "b7972d8a980e8ae3e91f171bb17198a95f7b1af6cf784a5137391536a8da695e"`
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling mvdb v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling serenity v0.5.14
[INFO] [stderr]    Compiling grepbot v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "b7972d8a980e8ae3e91f171bb17198a95f7b1af6cf784a5137391536a8da695e"`
[INFO] running `"docker" "rm" "-f" "b7972d8a980e8ae3e91f171bb17198a95f7b1af6cf784a5137391536a8da695e"`
[INFO] [stdout] b7972d8a980e8ae3e91f171bb17198a95f7b1af6cf784a5137391536a8da695e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TumblrCommunity/grepbot:/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] ace868f030a47771799427e031f56b327098b01cdcbbccd01e5c97635bb8abfa
[INFO] running `"docker" "start" "-a" "ace868f030a47771799427e031f56b327098b01cdcbbccd01e5c97635bb8abfa"`
[INFO] [stderr]    Compiling grepbot v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "ace868f030a47771799427e031f56b327098b01cdcbbccd01e5c97635bb8abfa"`
[INFO] running `"docker" "rm" "-f" "ace868f030a47771799427e031f56b327098b01cdcbbccd01e5c97635bb8abfa"`
[INFO] [stdout] ace868f030a47771799427e031f56b327098b01cdcbbccd01e5c97635bb8abfa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TumblrCommunity/grepbot:/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] 74c3db6261284bf445497f0479ec28bea53b2c53a6e70daa0bd40bc3799b6b12
[INFO] running `"docker" "start" "-a" "74c3db6261284bf445497f0479ec28bea53b2c53a6e70daa0bd40bc3799b6b12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/grepbot-3ab55cb0f4a0a778
[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" "74c3db6261284bf445497f0479ec28bea53b2c53a6e70daa0bd40bc3799b6b12"`
[INFO] running `"docker" "rm" "-f" "74c3db6261284bf445497f0479ec28bea53b2c53a6e70daa0bd40bc3799b6b12"`
[INFO] [stdout] 74c3db6261284bf445497f0479ec28bea53b2c53a6e70daa0bd40bc3799b6b12