[INFO] updating cached repository https://github.com/burtgulash/rotrie
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f198ccdbd0ee7efb0f5ed6f30e38cdfb34591499
[INFO] testing burtgulash/rotrie against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Frotrie" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burtgulash/rotrie on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/burtgulash/rotrie
[INFO] finished tweaking git repo https://github.com/burtgulash/rotrie
[INFO] tweaked toml for git repo https://github.com/burtgulash/rotrie written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/burtgulash/rotrie already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 4241a966bf5d845e28fc4357f90b48205b4c3e66974ce80ce477882492f96732
[INFO] running `"docker" "start" "-a" "4241a966bf5d845e28fc4357f90b48205b4c3e66974ce80ce477882492f96732"`
[INFO] [stderr]    Compiling comtrie v0.1.0 (/opt/rustwide/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 3.92s
[INFO] running `"docker" "inspect" "4241a966bf5d845e28fc4357f90b48205b4c3e66974ce80ce477882492f96732"`
[INFO] running `"docker" "rm" "-f" "4241a966bf5d845e28fc4357f90b48205b4c3e66974ce80ce477882492f96732"`
[INFO] [stdout] 4241a966bf5d845e28fc4357f90b48205b4c3e66974ce80ce477882492f96732
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6bd52709b71edaf0a17ed646c9f5ff3982159ac549d24f83993cd1d52050be5
[INFO] running `"docker" "start" "-a" "a6bd52709b71edaf0a17ed646c9f5ff3982159ac549d24f83993cd1d52050be5"`
[INFO] [stderr]    Compiling comtrie v0.1.0 (/opt/rustwide/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 2.93s
[INFO] running `"docker" "inspect" "a6bd52709b71edaf0a17ed646c9f5ff3982159ac549d24f83993cd1d52050be5"`
[INFO] running `"docker" "rm" "-f" "a6bd52709b71edaf0a17ed646c9f5ff3982159ac549d24f83993cd1d52050be5"`
[INFO] [stdout] a6bd52709b71edaf0a17ed646c9f5ff3982159ac549d24f83993cd1d52050be5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 9109519c47b0617b8f691818e33241ea128026b3de18efcf238d0f7664c0b7f2
[INFO] running `"docker" "start" "-a" "9109519c47b0617b8f691818e33241ea128026b3de18efcf238d0f7664c0b7f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/comtrie-576ca99f63a6d200
[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" "9109519c47b0617b8f691818e33241ea128026b3de18efcf238d0f7664c0b7f2"`
[INFO] running `"docker" "rm" "-f" "9109519c47b0617b8f691818e33241ea128026b3de18efcf238d0f7664c0b7f2"`
[INFO] [stdout] 9109519c47b0617b8f691818e33241ea128026b3de18efcf238d0f7664c0b7f2