[INFO] cloning repository snark/dive-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/snark/dive-rs.git" "work/cache/sources/gh/snark/dive-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/snark/dive-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/snark/dive-rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/snark/dive-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/snark/dive-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/snark/dive-rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/snark/dive-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/snark/dive-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ee43cebaa9fd7f8b655152086af57aa9594cc11
[INFO] sha for GitHub repo snark/dive-rs: 8ee43cebaa9fd7f8b655152086af57aa9594cc11
[INFO] validating manifest of snark/dive-rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of snark/dive-rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing snark/dive-rs
[INFO] finished frobbing snark/dive-rs
[INFO] frobbed toml for snark/dive-rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/snark/dive-rs/Cargo.toml
[INFO] started frobbing snark/dive-rs
[INFO] finished frobbing snark/dive-rs
[INFO] frobbed toml for snark/dive-rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/snark/dive-rs/Cargo.toml
[INFO] crate snark/dive-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ignore v0.1.6
[INFO] [stderr]   Downloaded walkdir v1.0.3
[INFO] [stderr]   Downloaded globset v0.1.2
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking snark/dive-rs against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/snark/dive-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8c5f51b85427adb34ad98a136c19bfe78f069ee409d9264cba69adab92688655
[INFO] running `"docker" "start" "-a" "8c5f51b85427adb34ad98a136c19bfe78f069ee409d9264cba69adab92688655"`
[INFO] [stderr]     Checking walkdir v1.0.3
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking globset v0.1.2
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.6.1
[INFO] [stderr]     Checking ignore v0.1.6
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking dive v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |            -> Result<(), Box<Error>> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |            -> Result<(), Box<Error>> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `"docker" "inspect" "8c5f51b85427adb34ad98a136c19bfe78f069ee409d9264cba69adab92688655"`
[INFO] running `"docker" "rm" "-f" "8c5f51b85427adb34ad98a136c19bfe78f069ee409d9264cba69adab92688655"`
[INFO] [stdout] 8c5f51b85427adb34ad98a136c19bfe78f069ee409d9264cba69adab92688655