[INFO] fetching crate gapbuf 0.1.3...
[INFO] testing gapbuf-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gapbuf 0.1.3 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate gapbuf 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gapbuf 0.1.3
[INFO] finished tweaking crates.io crate gapbuf 0.1.3
[INFO] tweaked toml for crates.io crate gapbuf 0.1.3 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate gapbuf 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded tempfile v3.0.8
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded test-strategy v0.1.0
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d609a8189204a7a9bdbf6a0e190ae8ae27e3b2c40ede519dde6f6d192f506603
[INFO] running `Command { std: "docker" "start" "-a" "d609a8189204a7a9bdbf6a0e190ae8ae27e3b2c40ede519dde6f6d192f506603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d609a8189204a7a9bdbf6a0e190ae8ae27e3b2c40ede519dde6f6d192f506603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d609a8189204a7a9bdbf6a0e190ae8ae27e3b2c40ede519dde6f6d192f506603", kill_on_drop: false }`
[INFO] [stdout] d609a8189204a7a9bdbf6a0e190ae8ae27e3b2c40ede519dde6f6d192f506603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 152aa60dfe499336fb1a05db4bd38448eb1571edd6a367bd3682418c7b9b518b
[INFO] running `Command { std: "docker" "start" "-a" "152aa60dfe499336fb1a05db4bd38448eb1571edd6a367bd3682418c7b9b518b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gapbuf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "152aa60dfe499336fb1a05db4bd38448eb1571edd6a367bd3682418c7b9b518b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152aa60dfe499336fb1a05db4bd38448eb1571edd6a367bd3682418c7b9b518b", kill_on_drop: false }`
[INFO] [stdout] 152aa60dfe499336fb1a05db4bd38448eb1571edd6a367bd3682418c7b9b518b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf27706861bafb2f02be63839db5450c4bd1ea8bf975ab16b5a15185043d3ca8
[INFO] running `Command { std: "docker" "start" "-a" "cf27706861bafb2f02be63839db5450c4bd1ea8bf975ab16b5a15185043d3ca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling test-strategy v0.1.0
[INFO] [stderr]    Compiling gapbuf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.00s
[INFO] running `Command { std: "docker" "inspect" "cf27706861bafb2f02be63839db5450c4bd1ea8bf975ab16b5a15185043d3ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf27706861bafb2f02be63839db5450c4bd1ea8bf975ab16b5a15185043d3ca8", kill_on_drop: false }`
[INFO] [stdout] cf27706861bafb2f02be63839db5450c4bd1ea8bf975ab16b5a15185043d3ca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c1d7b016d99a2e9da5adb4b989407bc637b3ae1dfa85e430efc6d66128f97eb
[INFO] running `Command { std: "docker" "start" "-a" "2c1d7b016d99a2e9da5adb4b989407bc637b3ae1dfa85e430efc6d66128f97eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gapbuf-c640aff36880d061)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-5d0cdb4284d2c10e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test covariant ... ok
[INFO] [stdout] test drain ... ok
[INFO] [stdout] test drop ... ok
[INFO] [stdout] test drop_all ... ok
[INFO] [stdout] test eq_gapbuf1 ... ok
[INFO] [stdout] test eq_gapbuf2 ... ok
[INFO] [stdout] test eq_slice1 ... ok
[INFO] [stdout] test eq_slice2 ... ok
[INFO] [stdout] test from_iter ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test impl_send ... ok
[INFO] [stdout] test impl_sync ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test index ... ok
[INFO] [stdout] test insert_after_gap ... ok
[INFO] [stdout] test insert_after_gap_near ... ok
[INFO] [stdout] test insert_at_gap ... ok
[INFO] [stdout] test insert_each ... ok
[INFO] [stdout] test insert_many ... ok
[INFO] [stdout] test insert_many_each ... ok
[INFO] [stdout] test isnert_before_gap ... ok
[INFO] [stdout] test isnert_before_gap_near ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] test ord ... ok
[INFO] [stdout] test pop_back ... ok
[INFO] [stdout] test pop_front ... ok
[INFO] [stdout] test push_back1 ... ok
[INFO] [stdout] test push_back2 ... ok
[INFO] [stdout] test push_back_reserve ... ok
[INFO] [stdout] test push_back_each ... ok
[INFO] [stdout] test push_back_reserve_exact ... ok
[INFO] [stdout] test push_front1 ... ok
[INFO] [stdout] test push_front2 ... ok
[INFO] [stdout] test push_front_each ... ok
[INFO] [stdout] test remove_after_gap ... ok
[INFO] [stdout] test remove_after_gap_near ... ok
[INFO] [stdout] test range ... ok
[INFO] [stdout] test remove_before_gap ... ok
[INFO] [stdout] test drop_all_on_panic1 ... ok
[INFO] [stdout] test drop_all_on_panic2 ... ok
[INFO] [stdout] test remove_before_gap_near ... ok
[INFO] [stdout] test index_out_of_range - should panic ... ok
[INFO] [stdout] test reserve ... ok
[INFO] [stdout] test insert_many_out_of_range - should panic ... ok
[INFO] [stdout] test reserve_exact ... ok
[INFO] [stdout] test reserve_exact_push_back ... ok
[INFO] [stdout] test reserve_push_back ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test insert_many_overflow - should panic ... ok
[INFO] [stdout] test set_gap_each ... ok
[INFO] [stdout] test set_gap_many ... ok
[INFO] [stdout] test insert_out_of_range - should panic ... ok
[INFO] [stdout] test set_gap_to_head ... ok
[INFO] [stdout] test range_bad - should panic ... ok
[INFO] [stdout] test set_gap_to_tail ... ok
[INFO] [stdout] test shrink_to_fit_0 ... ok
[INFO] [stdout] test range_begin_out_of_range - should panic ... ok
[INFO] [stdout] test remove_out_of_range - should panic ... ok
[INFO] [stdout] test set_gap_out_of_range - should panic ... ok
[INFO] [stdout] test shrink_to_fit_1 ... ok
[INFO] [stdout] test shrink_to_fit_gap_head ... ok
[INFO] [stdout] test shrink_to_fit_gap_mid ... ok
[INFO] [stdout] test swap ... ok
[INFO] [stdout] test swap_remove ... ok
[INFO] [stdout] test truncate_t_is_copy ... ok
[INFO] [stdout] test with_capacity ... ok
[INFO] [stdout] test zero_sized_type ... ok
[INFO] [stdout] test truncate_t_is_not_copy ... ok
[INFO] [stdout] test splice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests_proptest.rs (/opt/rustwide/target/debug/deps/tests_proptest-f2a9f09628669d14)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test range ... ok
[INFO] [stdout] test splice ... ok
[INFO] [stdout] test insert_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gapbuf
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::new (line 83) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::new (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::capacity (line 114) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::as_mut_slices (line 1047) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer (line 21) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::as_slices (line 1021) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::range (line 923) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::shrink_to_fit (line 195) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::retain (line 463) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::truncate (line 436) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::range_mut (line 947) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::with_capacity (line 97) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer (line 32) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::swap_remove (line 354) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::reserve_exact (line 158) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::reserve (line 134) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::remove (line 395) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::drain (line 509) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::splice (line 542) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c1d7b016d99a2e9da5adb4b989407bc637b3ae1dfa85e430efc6d66128f97eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1d7b016d99a2e9da5adb4b989407bc637b3ae1dfa85e430efc6d66128f97eb", kill_on_drop: false }`
[INFO] [stdout] 2c1d7b016d99a2e9da5adb4b989407bc637b3ae1dfa85e430efc6d66128f97eb