[INFO] cloning repository burtgulash/rotrie
[INFO] running `"git" "clone" "--bare" "git://github.com/burtgulash/rotrie.git" "work/cache/sources/gh/burtgulash/rotrie"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/burtgulash/rotrie'...
[INFO] running `"git" "clone" "work/cache/sources/gh/burtgulash/rotrie" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/burtgulash/rotrie"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/burtgulash/rotrie'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/burtgulash/rotrie" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/burtgulash/rotrie"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/burtgulash/rotrie'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f198ccdbd0ee7efb0f5ed6f30e38cdfb34591499
[INFO] sha for GitHub repo burtgulash/rotrie: f198ccdbd0ee7efb0f5ed6f30e38cdfb34591499
[INFO] validating manifest of burtgulash/rotrie 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 burtgulash/rotrie 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 burtgulash/rotrie
[INFO] finished frobbing burtgulash/rotrie
[INFO] frobbed toml for burtgulash/rotrie written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/burtgulash/rotrie/Cargo.toml
[INFO] started frobbing burtgulash/rotrie
[INFO] finished frobbing burtgulash/rotrie
[INFO] frobbed toml for burtgulash/rotrie written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/burtgulash/rotrie/Cargo.toml
[INFO] crate burtgulash/rotrie 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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking burtgulash/rotrie against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/burtgulash/rotrie:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef3ddf0313583a39503ee7a697fa3a496b6718ce5265a808da74b755264d44de
[INFO] running `"docker" "start" "-a" "ef3ddf0313583a39503ee7a697fa3a496b6718ce5265a808da74b755264d44de"`
[INFO] [stderr]     Checking comtrie v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `bs2x`
[INFO] [stderr]    --> src/main.rs:329:1
[INFO] [stderr]     |
[INFO] [stderr] 329 | fn bs2x(bs: &[u8]) -> u32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs2u32`
[INFO] [stderr]    --> src/main.rs:334:1
[INFO] [stderr]     |
[INFO] [stderr] 334 | fn bs2u32(n: usize, bs: &[u8]) -> &[u32] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs2str`
[INFO] [stderr]    --> src/main.rs:446:1
[INFO] [stderr]     |
[INFO] [stderr] 446 | fn bs2str(bs: &[u8]) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs2x`
[INFO] [stderr]    --> src/main.rs:329:1
[INFO] [stderr]     |
[INFO] [stderr] 329 | fn bs2x(bs: &[u8]) -> u32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs2u32`
[INFO] [stderr]    --> src/main.rs:334:1
[INFO] [stderr]     |
[INFO] [stderr] 334 | fn bs2u32(n: usize, bs: &[u8]) -> &[u32] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bs2str`
[INFO] [stderr]    --> src/main.rs:446:1
[INFO] [stderr]     |
[INFO] [stderr] 446 | fn bs2str(bs: &[u8]) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "ef3ddf0313583a39503ee7a697fa3a496b6718ce5265a808da74b755264d44de"`
[INFO] running `"docker" "rm" "-f" "ef3ddf0313583a39503ee7a697fa3a496b6718ce5265a808da74b755264d44de"`
[INFO] [stdout] ef3ddf0313583a39503ee7a697fa3a496b6718ce5265a808da74b755264d44de