[INFO] updating cached repository pshc/brainrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pshc/brainrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pshc/brainrust" "work/ex/beta-1.38-1/sources/1.37.0/gh/pshc/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pshc/brainrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pshc/brainrust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pshc/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pshc/brainrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c595c02c2cb2f11ecfdc2b2216b6aca83a3b725e
[INFO] sha for GitHub repo pshc/brainrust: c595c02c2cb2f11ecfdc2b2216b6aca83a3b725e
[INFO] validating manifest of pshc/brainrust 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 pshc/brainrust 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 pshc/brainrust
[INFO] finished frobbing pshc/brainrust
[INFO] frobbed toml for pshc/brainrust written to work/ex/beta-1.38-1/sources/1.37.0/gh/pshc/brainrust/Cargo.toml
[INFO] started frobbing pshc/brainrust
[INFO] finished frobbing pshc/brainrust
[INFO] frobbed toml for pshc/brainrust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pshc/brainrust/Cargo.toml
[INFO] crate pshc/brainrust 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 pshc/brainrust 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pshc/brainrust:/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] 201eb7b508ad3e98986ac2f588471ea082ab1585627b11980dbe4f3ce623e251
[INFO] running `"docker" "start" "-a" "201eb7b508ad3e98986ac2f588471ea082ab1585627b11980dbe4f3ce623e251"`
[INFO] [stderr]    Compiling brainrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     output: &'a mut (Write + 'a),
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "201eb7b508ad3e98986ac2f588471ea082ab1585627b11980dbe4f3ce623e251"`
[INFO] running `"docker" "rm" "-f" "201eb7b508ad3e98986ac2f588471ea082ab1585627b11980dbe4f3ce623e251"`
[INFO] [stdout] 201eb7b508ad3e98986ac2f588471ea082ab1585627b11980dbe4f3ce623e251
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pshc/brainrust:/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] a06d43e6fd9c7e922c09d38674b4fc02916602625d007523868214f5ebb3a84e
[INFO] running `"docker" "start" "-a" "a06d43e6fd9c7e922c09d38674b4fc02916602625d007523868214f5ebb3a84e"`
[INFO] [stderr]    Compiling brainrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     output: &'a mut (Write + 'a),
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "a06d43e6fd9c7e922c09d38674b4fc02916602625d007523868214f5ebb3a84e"`
[INFO] running `"docker" "rm" "-f" "a06d43e6fd9c7e922c09d38674b4fc02916602625d007523868214f5ebb3a84e"`
[INFO] [stdout] a06d43e6fd9c7e922c09d38674b4fc02916602625d007523868214f5ebb3a84e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pshc/brainrust:/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] de3ffb18f2ede1b53dd0b8309cf1566b2eccf28b84129858ad05b9dcb00b885a
[INFO] running `"docker" "start" "-a" "de3ffb18f2ede1b53dd0b8309cf1566b2eccf28b84129858ad05b9dcb00b885a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainrust-0844549bd3d6c235
[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" "de3ffb18f2ede1b53dd0b8309cf1566b2eccf28b84129858ad05b9dcb00b885a"`
[INFO] running `"docker" "rm" "-f" "de3ffb18f2ede1b53dd0b8309cf1566b2eccf28b84129858ad05b9dcb00b885a"`
[INFO] [stdout] de3ffb18f2ede1b53dd0b8309cf1566b2eccf28b84129858ad05b9dcb00b885a