[INFO] updating cached repository valarauca/bratwurst
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/valarauca/bratwurst
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/valarauca/bratwurst" "work/ex/beta-1.38-1/sources/1.37.0/gh/valarauca/bratwurst"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/valarauca/bratwurst'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/valarauca/bratwurst" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/valarauca/bratwurst"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/valarauca/bratwurst'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5a76c1c8137da5930bd93ae7b6e06a32428c44a
[INFO] sha for GitHub repo valarauca/bratwurst: d5a76c1c8137da5930bd93ae7b6e06a32428c44a
[INFO] validating manifest of valarauca/bratwurst 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 valarauca/bratwurst 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 valarauca/bratwurst
[INFO] removed path dependency brotli2 from valarauca/bratwurst
[INFO] finished frobbing valarauca/bratwurst
[INFO] frobbed toml for valarauca/bratwurst written to work/ex/beta-1.38-1/sources/1.37.0/gh/valarauca/bratwurst/Cargo.toml
[INFO] started frobbing valarauca/bratwurst
[INFO] removed path dependency brotli2 from valarauca/bratwurst
[INFO] finished frobbing valarauca/bratwurst
[INFO] frobbed toml for valarauca/bratwurst written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/valarauca/bratwurst/Cargo.toml
[INFO] crate valarauca/bratwurst 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/valarauca/bratwurst/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing valarauca/bratwurst 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/valarauca/bratwurst:/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] 82e60c81e9fbf9c7a244fb1a64ca1ccd2d51f81d5b195a1134debaddbb48cd11
[INFO] running `"docker" "start" "-a" "82e60c81e9fbf9c7a244fb1a64ca1ccd2d51f81d5b195a1134debaddbb48cd11"`
[INFO] [stderr] warning: dependency (brotli2) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling bratwurst v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `brotli2::stream`
[INFO] [stderr]  --> src/main.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub use brotli2::stream::CompressMode;
[INFO] [stderr]   |                  ^^^^^^ could not find `stream` in `brotli2`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `super::brotli2::stream`
[INFO] [stderr]  --> src/cli.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::brotli2::stream::{
[INFO] [stderr]   |                     ^^^^^^ could not find `stream` in `brotli2`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `super::brotli2::stream`
[INFO] [stderr]   --> src/inout.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 | use super::brotli2::stream::{
[INFO] [stderr]    |                     ^^^^^^ could not find `stream` in `brotli2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/inout.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/inout.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `bratwurst`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "82e60c81e9fbf9c7a244fb1a64ca1ccd2d51f81d5b195a1134debaddbb48cd11"`
[INFO] running `"docker" "rm" "-f" "82e60c81e9fbf9c7a244fb1a64ca1ccd2d51f81d5b195a1134debaddbb48cd11"`
[INFO] [stdout] 82e60c81e9fbf9c7a244fb1a64ca1ccd2d51f81d5b195a1134debaddbb48cd11