[INFO] fetching crate io-arc 1.0.0...
[INFO] testing io-arc-1.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate io-arc 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate io-arc 1.0.0
[INFO] finished tweaking crates.io crate io-arc 1.0.0
[INFO] tweaked toml for crates.io crate io-arc 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-arc 1.0.0 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]     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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] da522b1455542ca1119c8652d1bf975700953d73f6f8d3587364dfdcfde0d89f
[INFO] running `Command { std: "docker" "start" "-a" "da522b1455542ca1119c8652d1bf975700953d73f6f8d3587364dfdcfde0d89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da522b1455542ca1119c8652d1bf975700953d73f6f8d3587364dfdcfde0d89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da522b1455542ca1119c8652d1bf975700953d73f6f8d3587364dfdcfde0d89f", kill_on_drop: false }`
[INFO] [stdout] da522b1455542ca1119c8652d1bf975700953d73f6f8d3587364dfdcfde0d89f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 17211c355e25578cad0715b8ec9f08acc247e0dfd637d7072906188d45b19333
[INFO] running `Command { std: "docker" "start" "-a" "17211c355e25578cad0715b8ec9f08acc247e0dfd637d7072906188d45b19333", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-arc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "17211c355e25578cad0715b8ec9f08acc247e0dfd637d7072906188d45b19333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17211c355e25578cad0715b8ec9f08acc247e0dfd637d7072906188d45b19333", kill_on_drop: false }`
[INFO] [stdout] 17211c355e25578cad0715b8ec9f08acc247e0dfd637d7072906188d45b19333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 40a27b78974de483e921d4e0d10d27d1f91ae2a92dbf1dd8189d3e674eb25e08
[INFO] running `Command { std: "docker" "start" "-a" "40a27b78974de483e921d4e0d10d27d1f91ae2a92dbf1dd8189d3e674eb25e08", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-arc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "40a27b78974de483e921d4e0d10d27d1f91ae2a92dbf1dd8189d3e674eb25e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a27b78974de483e921d4e0d10d27d1f91ae2a92dbf1dd8189d3e674eb25e08", kill_on_drop: false }`
[INFO] [stdout] 40a27b78974de483e921d4e0d10d27d1f91ae2a92dbf1dd8189d3e674eb25e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] daee86350f4832c5ae10184343a5971236400679d6df3cc282cdfdaa81fa0b6e
[INFO] running `Command { std: "docker" "start" "-a" "daee86350f4832c5ae10184343a5971236400679d6df3cc282cdfdaa81fa0b6e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_arc-2f26f2066ba031da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-f205806093190931)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_arc
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> src/lib.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![warn(missing_docs, missing_doc_code_examples, unreachable_pub)]
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> src/lib.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![warn(missing_docs, missing_doc_code_examples, unreachable_pub)]
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the `rustdoc::missing_doc_code_examples` lint is unstable
[INFO] [stderr]    = note: see issue #101730 <https://github.com/rust-lang/rust/issues/101730> for more information
[INFO] [stderr]    = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable
[INFO] [stderr]    = note: this compiler was built on 2025-11-07; consider upgrading it if it is out of date
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daee86350f4832c5ae10184343a5971236400679d6df3cc282cdfdaa81fa0b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daee86350f4832c5ae10184343a5971236400679d6df3cc282cdfdaa81fa0b6e", kill_on_drop: false }`
[INFO] [stdout] daee86350f4832c5ae10184343a5971236400679d6df3cc282cdfdaa81fa0b6e