[INFO] fetching crate str-queue 0.0.1...
[INFO] testing str-queue-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate str-queue 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate str-queue 0.0.1
[INFO] finished tweaking crates.io crate str-queue 0.0.1
[INFO] tweaked toml for crates.io crate str-queue 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate str-queue 0.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--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]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6b9ef6f5b321814bef6c0361313821db9f4652b12eb273714d68ceb65067b4d
[INFO] running `Command { std: "docker" "start" "-a" "a6b9ef6f5b321814bef6c0361313821db9f4652b12eb273714d68ceb65067b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6b9ef6f5b321814bef6c0361313821db9f4652b12eb273714d68ceb65067b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b9ef6f5b321814bef6c0361313821db9f4652b12eb273714d68ceb65067b4d", kill_on_drop: false }`
[INFO] [stdout] a6b9ef6f5b321814bef6c0361313821db9f4652b12eb273714d68ceb65067b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cca5577301f05e16f27172b2e52cead8285b68f372f5d6bffd06c53601af8f0
[INFO] running `Command { std: "docker" "start" "-a" "0cca5577301f05e16f27172b2e52cead8285b68f372f5d6bffd06c53601af8f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundExt` is never used
[INFO] [stdout]     --> src/lib.rs:1780:7
[INFO] [stdout]      |
[INFO] [stdout] 1780 | trait BoundExt<T> {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "0cca5577301f05e16f27172b2e52cead8285b68f372f5d6bffd06c53601af8f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cca5577301f05e16f27172b2e52cead8285b68f372f5d6bffd06c53601af8f0", kill_on_drop: false }`
[INFO] [stdout] 0cca5577301f05e16f27172b2e52cead8285b68f372f5d6bffd06c53601af8f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17a69637e57d9fec35bc96f9ae9c45fcc9398480709ab33057ef2c2a9139d1a
[INFO] running `Command { std: "docker" "start" "-a" "b17a69637e57d9fec35bc96f9ae9c45fcc9398480709ab33057ef2c2a9139d1a", kill_on_drop: false }`
[INFO] [stdout] warning: trait `BoundExt` is never used
[INFO] [stdout]     --> src/lib.rs:1780:7
[INFO] [stdout]      |
[INFO] [stdout] 1780 | trait BoundExt<T> {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling str-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundExt` is never used
[INFO] [stdout]     --> src/lib.rs:1780:7
[INFO] [stdout]      |
[INFO] [stdout] 1780 | trait BoundExt<T> {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "b17a69637e57d9fec35bc96f9ae9c45fcc9398480709ab33057ef2c2a9139d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17a69637e57d9fec35bc96f9ae9c45fcc9398480709ab33057ef2c2a9139d1a", kill_on_drop: false }`
[INFO] [stdout] b17a69637e57d9fec35bc96f9ae9c45fcc9398480709ab33057ef2c2a9139d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 794e6b75f049afe79cf6fa030a11d6f547dc633bc1c3dd3913874add1f69fa32
[INFO] running `Command { std: "docker" "start" "-a" "794e6b75f049afe79cf6fa030a11d6f547dc633bc1c3dd3913874add1f69fa32", kill_on_drop: false }`
[INFO] [stderr] warning: trait `BoundExt` is never used
[INFO] [stdout] 
[INFO] [stderr]     --> src/lib.rs:1780:7
[INFO] [stdout] running 1 test
[INFO] [stderr]      |
[INFO] [stdout] test iter::chars::tests::consistency_with_std_from_utf8_lossy ... ok
[INFO] [stderr] 1780 | trait BoundExt<T> {
[INFO] [stdout] 
[INFO] [stderr]      |       ^^^^^^^^
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      |
[INFO] [stdout] 
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `str-queue` (lib) generated 1 warning
[INFO] [stderr] warning: `str-queue` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/str_queue-0dd53883b16706c4)
[INFO] [stderr]    Doc-tests str_queue
[INFO] [stdout] 
[INFO] [stdout] running 78 tests
[INFO] [stdout] test src/lib.rs - (line 273) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 253) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::capacity (line 372) ... ok
[INFO] [stdout] test src/lib.rs - (line 213) ... ok
[INFO] [stdout] test src/lib.rs - (line 154) ... ok
[INFO] [stdout] test src/lib.rs - (line 165) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 230) ... ok
[INFO] [stdout] test src/lib.rs - (line 92) ... ok
[INFO] [stdout] test src/lib.rs - (line 202) ... ok
[INFO] [stdout] test src/lib.rs - (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::chars (line 1052) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::clear (line 555) ... ok
[INFO] [stdout] test src/lib.rs - (line 140) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::display (line 1253) ... ok
[INFO] [stdout] test src/lib.rs - (line 176) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::fragments (line 1130) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::fragments (line 1172) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::first_char (line 964) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::is_empty (line 457) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::fragments (line 1192) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::is_complete (line 535) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::len_incomplete (line 492) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::chars (line 1066) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::first_line (line 981) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::into_chars (line 1026) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::into_chars (line 1012) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::is_empty_complete (line 510) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::fragments (line 1150) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::len (line 441) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::new (line 334) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::push_bytes (line 649) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::pop_fragment (line 882) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::len_complete (line 476) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::pop_char (line 783) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::with_capacity (line 349) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::pop_char (line 797) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::push_char (line 624) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::push_str (line 600) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::pop_char_replaced (line 820) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::range_fragments (line 1226) ... ok
[INFO] [stdout] test src/range/bytes.rs - range::bytes::BytesRange<'a>::clear (line 172) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::trim_last_incomplete_char (line 579) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::partial_cmp (line 1051) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::cmp (line 999) ... ok
[INFO] [stdout] test src/range/bytes.rs - range::bytes::BytesRange<'a>::pop (line 213) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::pop_line (line 852) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::eq (line 879) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::cmp_self (line 740) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::chars (line 665) ... ok
[INFO] [stdout] test src/lib.rs - StrQueue::range_chars (line 1101) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::cmp (line 979) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::clear (line 314) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::partial_cmp (line 913) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::partial_cmp (line 933) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::first_char (line 560) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::cmp_str (line 807) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'_>::cmp_self (line 760) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::is_complete (line 264) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::len_complete (line 198) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::first_line (line 589) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::pop_char (line 397) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::is_empty (line 179) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::fragments (line 690) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::first_line (line 612) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::len_incomplete (line 214) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::is_empty_complete (line 241) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::pop_char (line 382) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::pop_char_replaced (line 418) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::len (line 162) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::range (line 101) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::to_complete (line 131) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::pop_fragment (line 501) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::pop_line (line 470) ... ok
[INFO] [stdout] test src/range/chars.rs - range::chars::CharsRange<'a>::trim_last_incomplete_char (line 341) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 78 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "794e6b75f049afe79cf6fa030a11d6f547dc633bc1c3dd3913874add1f69fa32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794e6b75f049afe79cf6fa030a11d6f547dc633bc1c3dd3913874add1f69fa32", kill_on_drop: false }`
[INFO] [stdout] 794e6b75f049afe79cf6fa030a11d6f547dc633bc1c3dd3913874add1f69fa32