[INFO] crate nibble_vec 0.0.4 is already in cache
[INFO] testing nibble_vec-0.0.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate nibble_vec 0.0.4 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate nibble_vec 0.0.4 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 crates.io crate nibble_vec 0.0.4
[INFO] finished tweaking crates.io crate nibble_vec 0.0.4
[INFO] tweaked toml for crates.io crate nibble_vec 0.0.4 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] cc3e33719293c43a35299ef0ba5356e8943022320b21f314f04f024662296686
[INFO] running `"docker" "start" "-a" "cc3e33719293c43a35299ef0ba5356e8943022320b21f314f04f024662296686"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nibble_vec v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         try!(write!(fmt, "NibbleVec ["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:257:13
[INFO] [stderr]     |
[INFO] [stderr] 257 |             try!(write!(fmt, "{}", self.get(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |             try!(write!(fmt, ", {}", self.get(i)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "cc3e33719293c43a35299ef0ba5356e8943022320b21f314f04f024662296686"`
[INFO] running `"docker" "rm" "-f" "cc3e33719293c43a35299ef0ba5356e8943022320b21f314f04f024662296686"`
[INFO] [stdout] cc3e33719293c43a35299ef0ba5356e8943022320b21f314f04f024662296686
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] e00eef8ac5cc2f2f5a13926ff5d504d1c4abc7c42e8349c632b373c96e39b4f0
[INFO] running `"docker" "start" "-a" "e00eef8ac5cc2f2f5a13926ff5d504d1c4abc7c42e8349c632b373c96e39b4f0"`
[INFO] [stderr]    Compiling nibble_vec v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         try!(write!(fmt, "NibbleVec ["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:257:13
[INFO] [stderr]     |
[INFO] [stderr] 257 |             try!(write!(fmt, "{}", self.get(0)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |             try!(write!(fmt, ", {}", self.get(i)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "e00eef8ac5cc2f2f5a13926ff5d504d1c4abc7c42e8349c632b373c96e39b4f0"`
[INFO] running `"docker" "rm" "-f" "e00eef8ac5cc2f2f5a13926ff5d504d1c4abc7c42e8349c632b373c96e39b4f0"`
[INFO] [stdout] e00eef8ac5cc2f2f5a13926ff5d504d1c4abc7c42e8349c632b373c96e39b4f0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 01e1b8fc6b626669e01730e9939f115de31bc400138ba11ed39b5dce70858aaf
[INFO] running `"docker" "start" "-a" "01e1b8fc6b626669e01730e9939f115de31bc400138ba11ed39b5dce70858aaf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nibble_vec-ef9029924ebb399c
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test::as_bytes ... ok
[INFO] [stdout] test test::clone ... ok
[INFO] [stdout] test test::from ... ok
[INFO] [stdout] test test::into ... ok
[INFO] [stdout] test test::get ... ok
[INFO] [stdout] test test::into_bytes ... ok
[INFO] [stdout] test test::join_odd_length ... ok
[INFO] [stdout] test test::memory_reuse ... ok
[INFO] [stdout] test test::push ... ok
[INFO] [stdout] test test::join_even_length ... ok
[INFO] [stdout] test test::split_even_length ... ok
[INFO] [stdout] test test::split_odd_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nibble_vec
[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" "01e1b8fc6b626669e01730e9939f115de31bc400138ba11ed39b5dce70858aaf"`
[INFO] running `"docker" "rm" "-f" "01e1b8fc6b626669e01730e9939f115de31bc400138ba11ed39b5dce70858aaf"`
[INFO] [stdout] 01e1b8fc6b626669e01730e9939f115de31bc400138ba11ed39b5dce70858aaf