[INFO] updating cached repository burtgulash/rotrie
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/burtgulash/rotrie
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/burtgulash/rotrie" "work/ex/beta-1.37-6/sources/1.36.0/gh/burtgulash/rotrie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/burtgulash/rotrie'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/burtgulash/rotrie" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/burtgulash/rotrie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of burtgulash/rotrie on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/burtgulash/rotrie/Cargo.toml
[INFO] crate burtgulash/rotrie already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing burtgulash/rotrie against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/burtgulash/rotrie:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 94809b063d84b92fd95377fd3f558c5e7246d5a3460b2fe1c9e7050559b609cd
[INFO] running `"docker" "start" "-a" "94809b063d84b92fd95377fd3f558c5e7246d5a3460b2fe1c9e7050559b609cd"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "94809b063d84b92fd95377fd3f558c5e7246d5a3460b2fe1c9e7050559b609cd"`
[INFO] running `"docker" "rm" "-f" "94809b063d84b92fd95377fd3f558c5e7246d5a3460b2fe1c9e7050559b609cd"`
[INFO] [stdout] 94809b063d84b92fd95377fd3f558c5e7246d5a3460b2fe1c9e7050559b609cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/burtgulash/rotrie:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f7e01c115295427e5ed6536113615021eb391cef957abdb012dc8493b969acb7
[INFO] running `"docker" "start" "-a" "f7e01c115295427e5ed6536113615021eb391cef957abdb012dc8493b969acb7"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "f7e01c115295427e5ed6536113615021eb391cef957abdb012dc8493b969acb7"`
[INFO] running `"docker" "rm" "-f" "f7e01c115295427e5ed6536113615021eb391cef957abdb012dc8493b969acb7"`
[INFO] [stdout] f7e01c115295427e5ed6536113615021eb391cef957abdb012dc8493b969acb7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/burtgulash/rotrie:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 3bacef214611c99d5bf9b15b7327045c3568b69e63e9f5c47c8da02c6c947f85
[INFO] running `"docker" "start" "-a" "3bacef214611c99d5bf9b15b7327045c3568b69e63e9f5c47c8da02c6c947f85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/comtrie-f254b7b1c567ca81
[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" "3bacef214611c99d5bf9b15b7327045c3568b69e63e9f5c47c8da02c6c947f85"`
[INFO] running `"docker" "rm" "-f" "3bacef214611c99d5bf9b15b7327045c3568b69e63e9f5c47c8da02c6c947f85"`
[INFO] [stdout] 3bacef214611c99d5bf9b15b7327045c3568b69e63e9f5c47c8da02c6c947f85