[INFO] fetching crate gapbuf 0.1.3...
[INFO] testing gapbuf-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate gapbuf 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gapbuf 0.1.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d7ee401d0576e50ce8829cb250c47fdc49a536713d0791b593995a6314ce89b
[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" "3d7ee401d0576e50ce8829cb250c47fdc49a536713d0791b593995a6314ce89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d7ee401d0576e50ce8829cb250c47fdc49a536713d0791b593995a6314ce89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7ee401d0576e50ce8829cb250c47fdc49a536713d0791b593995a6314ce89b", kill_on_drop: false }`
[INFO] [stdout] 3d7ee401d0576e50ce8829cb250c47fdc49a536713d0791b593995a6314ce89b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8782f376a2dba865bd126eabd8a65dcc3ae93b52f3fff49d8296a76b36ffaef7
[INFO] running `Command { std: "docker" "start" "-a" "8782f376a2dba865bd126eabd8a65dcc3ae93b52f3fff49d8296a76b36ffaef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gapbuf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "8782f376a2dba865bd126eabd8a65dcc3ae93b52f3fff49d8296a76b36ffaef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8782f376a2dba865bd126eabd8a65dcc3ae93b52f3fff49d8296a76b36ffaef7", kill_on_drop: false }`
[INFO] [stdout] 8782f376a2dba865bd126eabd8a65dcc3ae93b52f3fff49d8296a76b36ffaef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e6c2146d0795ef15286cf91266554d71eb101130aa88e16f0a9407811b429c
[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" "74e6c2146d0795ef15286cf91266554d71eb101130aa88e16f0a9407811b429c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[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 1m 03s
[INFO] running `Command { std: "docker" "inspect" "74e6c2146d0795ef15286cf91266554d71eb101130aa88e16f0a9407811b429c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e6c2146d0795ef15286cf91266554d71eb101130aa88e16f0a9407811b429c", kill_on_drop: false }`
[INFO] [stdout] 74e6c2146d0795ef15286cf91266554d71eb101130aa88e16f0a9407811b429c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e893c9e94380ce72697024b11d1c111deadfd25e1b630c119f23096613a5160a
[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" "e893c9e94380ce72697024b11d1c111deadfd25e1b630c119f23096613a5160a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gapbuf-24956d5c18d856c7
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-e4a5619fbdbb60d5
[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 clear ... ok
[INFO] [stdout] test eq_gapbuf2 ... ok
[INFO] [stdout] test eq_slice1 ... ok
[INFO] [stdout] test covariant ... ok
[INFO] [stdout] test drain ... ok
[INFO] [stdout] test eq_slice2 ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test impl_sync ... ok
[INFO] [stdout] test from_iter ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test impl_send ... ok
[INFO] [stdout] test eq_gapbuf1 ... ok
[INFO] [stdout] test drop ... ok
[INFO] [stdout] test drop_all ... ok
[INFO] [stdout] test index ... ok
[INFO] [stdout] test insert_many ... ok
[INFO] [stdout] test insert_after_gap ... ok
[INFO] [stdout] test isnert_before_gap ... ok
[INFO] [stdout] test insert_after_gap_near ... ok
[INFO] [stdout] test insert_each ... ok
[INFO] [stdout] test insert_many_each ... ok
[INFO] [stdout] test pop_back ... ok
[INFO] [stdout] test pop_front ... ok
[INFO] [stdout] test push_back2 ... ok
[INFO] [stdout] test push_back_reserve ... ok
[INFO] [stdout] test insert_at_gap ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] test ord ... ok
[INFO] [stdout] test isnert_before_gap_near ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test push_back1 ... ok
[INFO] [stdout] test push_back_each ... ok
[INFO] [stdout] test remove_after_gap ... ok
[INFO] [stdout] test push_front_each ... ok
[INFO] [stdout] test range ... ok
[INFO] [stdout] test push_front2 ... ok
[INFO] [stdout] test push_front1 ... ok
[INFO] [stdout] test push_back_reserve_exact ... ok
[INFO] [stdout] test drop_all_on_panic1 ... ok
[INFO] [stdout] test remove_out_of_range ... ok
[INFO] [stdout] test reserve_push_back ... ok
[INFO] [stdout] test drop_all_on_panic2 ... ok
[INFO] [stdout] test index_out_of_range ... ok
[INFO] [stdout] test insert_many_overflow ... ok
[INFO] [stdout] test insert_out_of_range ... ok
[INFO] [stdout] test insert_many_out_of_range ... ok
[INFO] [stdout] test reserve_exact ... ok
[INFO] [stdout] test reserve_exact_push_back ... ok
[INFO] [stdout] test reserve ... ok
[INFO] [stdout] test remove_before_gap ... ok
[INFO] [stdout] test remove_before_gap_near ... ok
[INFO] [stdout] test remove_after_gap_near ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test set_gap_each ... ok
[INFO] [stdout] test set_gap_many ... ok
[INFO] [stdout] test range_begin_out_of_range ... ok
[INFO] [stdout] test set_gap_to_head ... ok
[INFO] [stdout] test zero_sized_type ... ok
[INFO] [stdout] test set_gap_out_of_range ... ok
[INFO] [stdout] test shrink_to_fit_0 ... ok
[INFO] [stdout] test shrink_to_fit_1 ... ok
[INFO] [stdout] test shrink_to_fit_gap_head ... ok
[INFO] [stdout] test set_gap_to_tail ... ok
[INFO] [stdout] test swap ... ok
[INFO] [stdout] test shrink_to_fit_gap_mid ... ok
[INFO] [stdout] test with_capacity ... ok
[INFO] [stdout] test splice ... ok
[INFO] [stdout] test truncate_t_is_copy ... ok
[INFO] [stdout] test range_bad ... ok
[INFO] [stdout] test truncate_t_is_not_copy ... ok
[INFO] [stdout] test swap_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests_proptest-13b13ddea36c0e38
[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 134) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer (line 21) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::new (line 74) ... 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>::retain (line 463) ... 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::GapBuffer<T>::swap_remove (line 354) ... ok
[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>::truncate (line 436) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer (line 32) ... 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>::shrink_to_fit (line 195) ... 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] test src/gap_buffer.rs - gap_buffer::GapBuffer<T>::with_capacity (line 97) ... 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::Slice<T>::as_mut_slices (line 1047) ... ok
[INFO] [stdout] test src/gap_buffer.rs - gap_buffer::Slice<T>::range_mut (line 947) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... 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" "e893c9e94380ce72697024b11d1c111deadfd25e1b630c119f23096613a5160a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e893c9e94380ce72697024b11d1c111deadfd25e1b630c119f23096613a5160a", kill_on_drop: false }`
[INFO] [stdout] e893c9e94380ce72697024b11d1c111deadfd25e1b630c119f23096613a5160a