[INFO] updating cached repository oll3/bita
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/oll3/bita
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/oll3/bita" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/oll3/bita"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/oll3/bita'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/oll3/bita" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/oll3/bita"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/oll3/bita'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 848ff74092ab92b2cc3f6ddb9faf5a1e6dfbba8e
[INFO] sha for GitHub repo oll3/bita: 848ff74092ab92b2cc3f6ddb9faf5a1e6dfbba8e
[INFO] validating manifest of oll3/bita on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of oll3/bita on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing oll3/bita
[INFO] finished frobbing oll3/bita
[INFO] frobbed toml for oll3/bita written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/oll3/bita/Cargo.toml
[INFO] started frobbing oll3/bita
[INFO] finished frobbing oll3/bita
[INFO] frobbed toml for oll3/bita written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/oll3/bita/Cargo.toml
[INFO] crate oll3/bita has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing oll3/bita against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/oll3/bita:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] e746e2201eb2a3f6f3db88f465a6340a058a094290287f4471165c3e7af20501
[INFO] running `"docker" "start" "-a" "e746e2201eb2a3f6f3db88f465a6340a058a094290287f4471165c3e7af20501"`
[INFO] [stderr]    Compiling bindgen v0.42.3
[INFO] [stderr]    Compiling clang-sys v0.26.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling rust-lzma v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling blob v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling blake2 v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cexpr v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling curl v0.4.19
[INFO] [stderr]    Compiling zstd-sys v1.4.6+zstd.1.3.7
[INFO] [stderr]    Compiling zstd-safe v1.4.6+zstd.1.3.7
[INFO] [stderr]    Compiling zstd v0.4.21+zstd.1.3.7
[INFO] [stderr]    Compiling bita v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `done`
[INFO] [stderr]   --> src/ordered_mpsc.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn done(self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `"docker" "inspect" "e746e2201eb2a3f6f3db88f465a6340a058a094290287f4471165c3e7af20501"`
[INFO] running `"docker" "rm" "-f" "e746e2201eb2a3f6f3db88f465a6340a058a094290287f4471165c3e7af20501"`
[INFO] [stdout] e746e2201eb2a3f6f3db88f465a6340a058a094290287f4471165c3e7af20501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/oll3/bita:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 466bd8d04de224d9b0b9f7ca1ce10557f33287c846aecdfb90efbdbc8319c02c
[INFO] running `"docker" "start" "-a" "466bd8d04de224d9b0b9f7ca1ce10557f33287c846aecdfb90efbdbc8319c02c"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling bita v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ordered_mpsc.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             tx3.send("5");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ordered_mpsc.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             tx3.send("6");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ordered_mpsc.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |             tx3.send("7");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ordered_mpsc.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             tx2.send("2");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ordered_mpsc.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             tx2.send("3");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ordered_mpsc.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             tx2.send("4");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ordered_mpsc.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             tx1.send("1");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `"docker" "inspect" "466bd8d04de224d9b0b9f7ca1ce10557f33287c846aecdfb90efbdbc8319c02c"`
[INFO] running `"docker" "rm" "-f" "466bd8d04de224d9b0b9f7ca1ce10557f33287c846aecdfb90efbdbc8319c02c"`
[INFO] [stdout] 466bd8d04de224d9b0b9f7ca1ce10557f33287c846aecdfb90efbdbc8319c02c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/oll3/bita:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 1fb486cbf07e6e09b32d5ac0d28844e974b10426a58b9fac5aaa0d2793cc2fa7
[INFO] running `"docker" "start" "-a" "1fb486cbf07e6e09b32d5ac0d28844e974b10426a58b9fac5aaa0d2793cc2fa7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bita-379f297f2cf27b67
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test buzhash::tests::equal_sums_for_equal_range ... ok
[INFO] [stdout] test ordered_mpsc::tests::test_ordering ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1fb486cbf07e6e09b32d5ac0d28844e974b10426a58b9fac5aaa0d2793cc2fa7"`
[INFO] running `"docker" "rm" "-f" "1fb486cbf07e6e09b32d5ac0d28844e974b10426a58b9fac5aaa0d2793cc2fa7"`
[INFO] [stdout] 1fb486cbf07e6e09b32d5ac0d28844e974b10426a58b9fac5aaa0d2793cc2fa7