[INFO] crate gapbuf 0.1.2 is already in cache
[INFO] testing gapbuf-0.1.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate gapbuf 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate gapbuf 0.1.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gapbuf 0.1.2
[INFO] finished tweaking crates.io crate gapbuf 0.1.2
[INFO] tweaked toml for crates.io crate gapbuf 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c244d947eb7a432ddc4fea2702791b73e6e93764f2dab38d962785363264efab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c244d947eb7a432ddc4fea2702791b73e6e93764f2dab38d962785363264efab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c244d947eb7a432ddc4fea2702791b73e6e93764f2dab38d962785363264efab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c244d947eb7a432ddc4fea2702791b73e6e93764f2dab38d962785363264efab", kill_on_drop: false }`
[INFO] [stdout] c244d947eb7a432ddc4fea2702791b73e6e93764f2dab38d962785363264efab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad808fc8cad8be4b3e5bea18a69b5e3795361700b19595bd1270aa666ae368e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad808fc8cad8be4b3e5bea18a69b5e3795361700b19595bd1270aa666ae368e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gapbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ad808fc8cad8be4b3e5bea18a69b5e3795361700b19595bd1270aa666ae368e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad808fc8cad8be4b3e5bea18a69b5e3795361700b19595bd1270aa666ae368e0", kill_on_drop: false }`
[INFO] [stdout] ad808fc8cad8be4b3e5bea18a69b5e3795361700b19595bd1270aa666ae368e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 759c7aef02e3fcc6c3be6cc49fb84902e4115394a8b989c099cafd87278064e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "759c7aef02e3fcc6c3be6cc49fb84902e4115394a8b989c099cafd87278064e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling gapbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.02s
[INFO] running `Command { std: "docker" "inspect" "759c7aef02e3fcc6c3be6cc49fb84902e4115394a8b989c099cafd87278064e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759c7aef02e3fcc6c3be6cc49fb84902e4115394a8b989c099cafd87278064e8", kill_on_drop: false }`
[INFO] [stdout] 759c7aef02e3fcc6c3be6cc49fb84902e4115394a8b989c099cafd87278064e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e5e82d26f756d01a90ca2b5533f438e1a9ed5f7562a241d9c92b4a25e7feaa2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e5e82d26f756d01a90ca2b5533f438e1a9ed5f7562a241d9c92b4a25e7feaa2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gapbuf-5119d89564156491
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-6fe5242c453dc715
[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] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test eq_gapbuf2 ... ok
[INFO] [stdout] test drop ... ok
[INFO] [stdout] test eq_gapbuf1 ... ok
[INFO] [stdout] test drop_all ... ok
[INFO] [stdout] test eq_slice2 ... ok
[INFO] [stdout] test eq_slice1 ... ok
[INFO] [stdout] test from_iter ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test insert_at_gap ... ok
[INFO] [stdout] test insert_each ... ok
[INFO] [stdout] test insert_iter_each ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test insert_iter ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test insert_after_gap ... ok
[INFO] [stdout] test covariant ... ok
[INFO] [stdout] test impl_send ... ok
[INFO] [stdout] test drain ... ok
[INFO] [stdout] test index ... ok
[INFO] [stdout] test impl_sync ... ok
[INFO] [stdout] test insert_after_gap_near ... ok
[INFO] [stdout] test push_back_each ... ok
[INFO] [stdout] test push_back1 ... ok
[INFO] [stdout] test push_back_reserve_exact ... ok
[INFO] [stdout] test ord ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test pop_back ... ok
[INFO] [stdout] test isnert_before_gap ... ok
[INFO] [stdout] test isnert_before_gap_near ... ok
[INFO] [stdout] test push_back_reserve ... ok
[INFO] [stdout] test push_front2 ... ok
[INFO] [stdout] test pop_front ... ok
[INFO] [stdout] test push_front_each ... ok
[INFO] [stdout] test remove_after_gap_near ... ok
[INFO] [stdout] test remove_before_gap ... ok
[INFO] [stdout] test remove_before_gap_near ... ok
[INFO] [stdout] test reserve ... ok
[INFO] [stdout] test push_back2 ... ok
[INFO] [stdout] test range ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test set_gap_each ... ok
[INFO] [stdout] test set_gap_many ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] test push_front1 ... ok
[INFO] [stdout] test remove_after_gap ... ok
[INFO] [stdout] test reserve_push_back ... ok
[INFO] [stdout] test reserve_exact_push_back ... ok
[INFO] [stdout] test shrink_to_fit_1 ... ok
[INFO] [stdout] test shrink_to_fit_gap_head ... ok
[INFO] [stdout] test reserve_exact ... ok
[INFO] [stdout] test set_gap_to_head ... ok
[INFO] [stdout] test set_gap_to_tail ... ok
[INFO] [stdout] test swap_remove ... ok
[INFO] [stdout] test truncate_t_is_not_copy ... ok
[INFO] [stdout] test with_capacity ... ok
[INFO] [stdout] test zero_sized_type ... ok
[INFO] [stdout] test splice ... ok
[INFO] [stdout] test shrink_to_fit_0 ... ok
[INFO] [stdout] test shrink_to_fit_gap_mid ... ok
[INFO] [stdout] test swap ... ok
[INFO] [stdout] test truncate_t_is_copy ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests_proptest-bee65997f36bb439
[INFO] [stdout] test drop_all_on_panic2 ... ok
[INFO] [stdout] test index_out_of_range ... ok
[INFO] [stdout] test insert_iter_out_of_range ... ok
[INFO] [stdout] test insert_out_of_range ... ok
[INFO] [stdout] test drop_all_on_panic1 ... ok
[INFO] [stdout] test insert_iter_overflow ... ok
[INFO] [stdout] test range_bad ... ok
[INFO] [stdout] test remove_out_of_range ... ok
[INFO] [stdout] test range_begin_out_of_range ... ok
[INFO] [stdout] test set_gap_out_of_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[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>::reserve (line 138) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer (line 21) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::swap_remove (line 353) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::reserve_exact (line 162) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::remove (line 397) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::as_mut_slices (line 1046) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::shrink_to_fit (line 199) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::with_capacity (line 101) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::truncate (line 440) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::retain (line 469) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::capacity (line 118) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::new (line 78) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::splice (line 552) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer (line 34) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::new (line 87) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::drain (line 517) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::as_slices (line 1018) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::range_mut (line 942) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::range (line 916) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e5e82d26f756d01a90ca2b5533f438e1a9ed5f7562a241d9c92b4a25e7feaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5e82d26f756d01a90ca2b5533f438e1a9ed5f7562a241d9c92b4a25e7feaa2", kill_on_drop: false }`
[INFO] [stdout] 6e5e82d26f756d01a90ca2b5533f438e1a9ed5f7562a241d9c92b4a25e7feaa2