[INFO] fetching crate mockpipe 0.1.6...
[INFO] testing mockpipe-0.1.6 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mockpipe 0.1.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mockpipe 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mockpipe 0.1.6
[INFO] tweaked toml for crates.io crate mockpipe 0.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mockpipe 0.1.6 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mockpipe 0.1.6 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 363af3a82bc8352d7c08df38cff70738f5825c777d611276b28e6bf7b61abc6c
[INFO] running `Command { std: "docker" "start" "-a" "363af3a82bc8352d7c08df38cff70738f5825c777d611276b28e6bf7b61abc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363af3a82bc8352d7c08df38cff70738f5825c777d611276b28e6bf7b61abc6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363af3a82bc8352d7c08df38cff70738f5825c777d611276b28e6bf7b61abc6c", kill_on_drop: false }`
[INFO] [stdout] 363af3a82bc8352d7c08df38cff70738f5825c777d611276b28e6bf7b61abc6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48475b0f7a1f88cccbf0e7458b6e4ad2efc8112294f01d6c6252c4a6012d713b
[INFO] running `Command { std: "docker" "start" "-a" "48475b0f7a1f88cccbf0e7458b6e4ad2efc8112294f01d6c6252c4a6012d713b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mockpipe v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:97:9
[INFO] [stdout]     |
[INFO] [stdout]  97 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 102 |     ) -> io::Result<(MutexGuard<VecDeque<u8>>, usize)>
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     ) -> io::Result<(MutexGuard<'_, VecDeque<u8>>, usize)>
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "48475b0f7a1f88cccbf0e7458b6e4ad2efc8112294f01d6c6252c4a6012d713b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48475b0f7a1f88cccbf0e7458b6e4ad2efc8112294f01d6c6252c4a6012d713b", kill_on_drop: false }`
[INFO] [stdout] 48475b0f7a1f88cccbf0e7458b6e4ad2efc8112294f01d6c6252c4a6012d713b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f22b348bbbd2f96a6b64232ebfd1579fe6cdbc7e221dfd2f8c88f87357b94a
[INFO] running `Command { std: "docker" "start" "-a" "26f22b348bbbd2f96a6b64232ebfd1579fe6cdbc7e221dfd2f8c88f87357b94a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling once_cell v1.20.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.19
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:97:9
[INFO] [stdout]     |
[INFO] [stdout]  97 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 102 |     ) -> io::Result<(MutexGuard<VecDeque<u8>>, usize)>
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     ) -> io::Result<(MutexGuard<'_, VecDeque<u8>>, usize)>
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling mockpipe v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:97:9
[INFO] [stdout]     |
[INFO] [stdout]  97 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 102 |     ) -> io::Result<(MutexGuard<VecDeque<u8>>, usize)>
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 102 |     ) -> io::Result<(MutexGuard<'_, VecDeque<u8>>, usize)>
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 27.98s
[INFO] running `Command { std: "docker" "inspect" "26f22b348bbbd2f96a6b64232ebfd1579fe6cdbc7e221dfd2f8c88f87357b94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f22b348bbbd2f96a6b64232ebfd1579fe6cdbc7e221dfd2f8c88f87357b94a", kill_on_drop: false }`
[INFO] [stdout] 26f22b348bbbd2f96a6b64232ebfd1579fe6cdbc7e221dfd2f8c88f87357b94a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38690f4c4b38b8b65e0373284fa6cf804d8889d524c3e93460a0ea39cbd6dc7f
[INFO] running `Command { std: "docker" "start" "-a" "38690f4c4b38b8b65e0373284fa6cf804d8889d524c3e93460a0ea39cbd6dc7f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:97:9
[INFO] [stderr]     |
[INFO] [stderr]  97 |         &self,
[INFO] [stderr]     |         ^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 102 |     ) -> io::Result<(MutexGuard<VecDeque<u8>>, usize)>
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 102 |     ) -> io::Result<(MutexGuard<'_, VecDeque<u8>>, usize)>
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mockpipe` (lib) generated 1 warning (run `cargo fix --lib -p mockpipe` to apply 1 suggestion)
[INFO] [stderr] warning: `mockpipe` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mockpipe-3f06e18ebac69d2a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_bidirectional_exchange ... ok
[INFO] [stdout] test tests::test_buffer_clearing ... ok
[INFO] [stdout] test tests::test_loopback ... ok
[INFO] [stdout] test tests::test_zero_capacity_buffer ... ok
[INFO] [stdout] test tests::test_pair ... ok
[INFO] [stdout] test tests::test_timeout_write ... ok
[INFO] [stdout] test tests::test_multiple_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mockpipe
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - ReadMe (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38690f4c4b38b8b65e0373284fa6cf804d8889d524c3e93460a0ea39cbd6dc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38690f4c4b38b8b65e0373284fa6cf804d8889d524c3e93460a0ea39cbd6dc7f", kill_on_drop: false }`
[INFO] [stdout] 38690f4c4b38b8b65e0373284fa6cf804d8889d524c3e93460a0ea39cbd6dc7f
