[INFO] fetching crate circular-buffer 1.1.0...
[INFO] testing circular-buffer-1.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_1
[INFO] extracting crate circular-buffer 1.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate circular-buffer 1.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate circular-buffer 1.1.0
[INFO] tweaked toml for crates.io crate circular-buffer 1.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate circular-buffer 1.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate circular-buffer 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drop-tracker v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2117da99b6d0277d29408c132f45d64ee1722386d4d49ddcc80603a546b23067
[INFO] running `Command { std: "docker" "start" "-a" "2117da99b6d0277d29408c132f45d64ee1722386d4d49ddcc80603a546b23067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2117da99b6d0277d29408c132f45d64ee1722386d4d49ddcc80603a546b23067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2117da99b6d0277d29408c132f45d64ee1722386d4d49ddcc80603a546b23067", kill_on_drop: false }`
[INFO] [stdout] 2117da99b6d0277d29408c132f45d64ee1722386d4d49ddcc80603a546b23067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 48464fdf4b7f0e1fd85e1a880d1f7ff594dcfcbb37d0718fc7f006d013cfa6cd
[INFO] running `Command { std: "docker" "start" "-a" "48464fdf4b7f0e1fd85e1a880d1f7ff594dcfcbb37d0718fc7f006d013cfa6cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular-buffer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "48464fdf4b7f0e1fd85e1a880d1f7ff594dcfcbb37d0718fc7f006d013cfa6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48464fdf4b7f0e1fd85e1a880d1f7ff594dcfcbb37d0718fc7f006d013cfa6cd", kill_on_drop: false }`
[INFO] [stdout] 48464fdf4b7f0e1fd85e1a880d1f7ff594dcfcbb37d0718fc7f006d013cfa6cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6c6ea5f8eccdb0862eb30cff35c834d0e7863ec775a223688e084d9a5c75495d
[INFO] running `Command { std: "docker" "start" "-a" "6c6ea5f8eccdb0862eb30cff35c834d0e7863ec775a223688e084d9a5c75495d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling drop-tracker v0.1.3
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling circular-buffer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `Command { std: "docker" "inspect" "6c6ea5f8eccdb0862eb30cff35c834d0e7863ec775a223688e084d9a5c75495d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6ea5f8eccdb0862eb30cff35c834d0e7863ec775a223688e084d9a5c75495d", kill_on_drop: false }`
[INFO] [stdout] 6c6ea5f8eccdb0862eb30cff35c834d0e7863ec775a223688e084d9a5c75495d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a0541efdf234c5a75980de2b605191b63898953214631022f74841e3f32d8777
[INFO] running `Command { std: "docker" "start" "-a" "a0541efdf234c5a75980de2b605191b63898953214631022f74841e3f32d8777", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/circular_buffer-e5b806d0b8b662d0)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::add_mod ... ok
[INFO] [stdout] test tests::debug ... ok
[INFO] [stdout] test tests::drain_back ... ok
[INFO] [stdout] test tests::attrs ... ok
[INFO] [stdout] test tests::drain_front ... ok
[INFO] [stdout] test tests::drain_full ... ok
[INFO] [stdout] test tests::drain_middle_contiguous ... ok
[INFO] [stdout] test tests::drain_middle_disjoint ... ok
[INFO] [stdout] test tests::drop_disjoint ... ok
[INFO] [stdout] test tests::drop_contiguous ... ok
[INFO] [stdout] test tests::drop_full_contiguous ... ok
[INFO] [stdout] test tests::eq_contiguous ... ok
[INFO] [stdout] test tests::drain_empty ... ok
[INFO] [stdout] test tests::drop_full_disjoint ... ok
[INFO] [stdout] test tests::eq_disjoint ... ok
[INFO] [stdout] test tests::extend ... ok
[INFO] [stdout] test tests::extend_from_slice ... ok
[INFO] [stdout] test tests::extend_ref ... ok
[INFO] [stdout] test tests::fill_efficiency ... ok
[INFO] [stdout] test tests::from_array ... ok
[INFO] [stdout] test tests::hash ... ok
[INFO] [stdout] test tests::get ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::into_iter ... ok
[INFO] [stdout] test tests::into_iter_rev ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::iter_mut ... ok
[INFO] [stdout] test tests::iter_mut_rev ... ok
[INFO] [stdout] test tests::iter_rev ... ok
[INFO] [stdout] test tests::make_contiguous_not_full ... ok
[INFO] [stdout] test tests::nth_back ... ok
[INFO] [stdout] test tests::nth_front ... ok
[INFO] [stdout] test tests::pop_front ... ok
[INFO] [stdout] test tests::push_back ... ok
[INFO] [stdout] test tests::push_front ... ok
[INFO] [stdout] test tests::range_mut ... ok
[INFO] [stdout] test tests::range ... ok
[INFO] [stdout] test tests::pop_back ... ok
[INFO] [stdout] test tests::remove_on_empty ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::swap ... ok
[INFO] [stdout] test tests::zero_capacity ... ok
[INFO] [stdout] test tests::make_contiguous_full ... ok
[INFO] [stdout] test tests::truncate_back ... ok
[INFO] [stdout] test tests::truncate_front ... ok
[INFO] [stdout] test tests::write ... ok
[INFO] [stdout] test tests::read_buf ... ok
[INFO] [stdout] test tests::read ... ok
[INFO] [stdout] test tests::extend_from_slice_unwind_safety ... ok
[INFO] [stdout] test tests::fill_unwind_safety ... ok
[INFO] [stdout] test tests::fill_with_unwind_safety ... ok
[INFO] [stdout] test tests::index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/covariance.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/covariance-f67660626a885985)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test circular_buffer ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test drain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/io.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/io-c2e58329f0822040)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test std::read ... ok
[INFO] [stdout] test std::read_buf ... ok
[INFO] [stdout] test std::write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/large.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/large-81c6cafc801398ac)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test large_boxed has been running for over 60 seconds
[INFO] [stderr]      Running tests/randomized.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/randomized-d2dbb9d1e977f312)
[INFO] [stdout] test large_boxed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 116.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test zero ... ok
[INFO] [stdout] test small ... ok
[INFO] [stdout] test largest_with_zero_sized_struct ... ok
[INFO] [stdout] test medium ... ok
[INFO] [stdout] test large ... ok
[INFO] [stdout] test drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 43.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circular_buffer
[INFO] [stdout] 
[INFO] [stdout] running 52 tests
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::clear (line 1880) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::fill_spare (line 1745) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::drain (line 608) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::drain (line 596) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::as_slices (line 701) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::front (line 994) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::fill (line 1654) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::fill (line 1642) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::boxed (line 330) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::fill_with (line 1707) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::as_mut_slices (line 750) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::capacity (line 381) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::fill_spare_with (line 1780) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::get (line 1053) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::back_mut (line 965) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::is_empty (line 395) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::extend_from_slice (line 1907) ... ok
[INFO] [stdout] test src/lib.rs - (line 138) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::is_full (line 413) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::back (line 940) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::get_mut (line 1084) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::len (line 357) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::iter (line 456) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::fill_with (line 1691) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::iter (line 442) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::front_mut (line 1019) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::nth_back (line 1179) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::nth_front (line 1121) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::nth_back_mut (line 1206) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::range (line 509) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::pop_front (line 1465) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::nth_front_mut (line 1149) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::iter_mut (line 480) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::pop_back (line 1437) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::range_mut (line 558) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::swap (line 1558) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::push_back (line 1237) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::new (line 300) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::make_contiguous (line 649) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::remove (line 1494) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::to_vec (line 2016) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::truncate_back (line 1814) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::range (line 523) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::swap (line 1546) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::push_front (line 1338) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::swap_remove_front (line 1605) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::swap_remove_back (line 1580) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::try_push_front (line 1397) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::try_push_back (line 1296) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<N,T>::truncate_front (line 1848) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 52 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0541efdf234c5a75980de2b605191b63898953214631022f74841e3f32d8777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0541efdf234c5a75980de2b605191b63898953214631022f74841e3f32d8777", kill_on_drop: false }`
[INFO] [stdout] a0541efdf234c5a75980de2b605191b63898953214631022f74841e3f32d8777