[INFO] fetching crate multilink 1.0.1...
[INFO] testing multilink-1.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate multilink 1.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate multilink 1.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate multilink 1.0.1
[INFO] tweaked toml for crates.io crate multilink 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multilink 1.0.1 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 multilink 1.0.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6ee823152f6c891b11cf83f7f6f071f6a501605be68b6c5b26b64288bc90b5f4
[INFO] running `Command { std: "docker" "start" "-a" "6ee823152f6c891b11cf83f7f6f071f6a501605be68b6c5b26b64288bc90b5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee823152f6c891b11cf83f7f6f071f6a501605be68b6c5b26b64288bc90b5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee823152f6c891b11cf83f7f6f071f6a501605be68b6c5b26b64288bc90b5f4", kill_on_drop: false }`
[INFO] [stdout] 6ee823152f6c891b11cf83f7f6f071f6a501605be68b6c5b26b64288bc90b5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 32924d747059a55e24f7fd444181010f059b2b0bd17a4cc31788b3724d229c54
[INFO] running `Command { std: "docker" "start" "-a" "32924d747059a55e24f7fd444181010f059b2b0bd17a4cc31788b3724d229c54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling multilink v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `error_type` is never read
[INFO] [stdout]   --> src/error.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub error_type: ProtocolErrorType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_type` is never read
[INFO] [stdout]   --> src/error.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub error_type: ProtocolErrorType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "32924d747059a55e24f7fd444181010f059b2b0bd17a4cc31788b3724d229c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32924d747059a55e24f7fd444181010f059b2b0bd17a4cc31788b3724d229c54", kill_on_drop: false }`
[INFO] [stdout] 32924d747059a55e24f7fd444181010f059b2b0bd17a4cc31788b3724d229c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d7d27207ea582fb8fd2589edc7c5b94297fb9d77fb991dae823493e62d9290e6
[INFO] running `Command { std: "docker" "start" "-a" "d7d27207ea582fb8fd2589edc7c5b94297fb9d77fb991dae823493e62d9290e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling clap_builder v4.3.19
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling multilink v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `error_type` is never read
[INFO] [stdout]   --> src/error.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub error_type: ProtocolErrorType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_type` is never read
[INFO] [stdout]   --> src/error.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub error_type: ProtocolErrorType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling clap v4.3.19
[INFO] [stdout] warning: value assigned to `error_type` is never read
[INFO] [stdout]   --> src/error.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub error_type: ProtocolErrorType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error_type` is never read
[INFO] [stdout]   --> src/error.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub error_type: ProtocolErrorType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 28.00s
[INFO] running `Command { std: "docker" "inspect" "d7d27207ea582fb8fd2589edc7c5b94297fb9d77fb991dae823493e62d9290e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d27207ea582fb8fd2589edc7c5b94297fb9d77fb991dae823493e62d9290e6", kill_on_drop: false }`
[INFO] [stdout] d7d27207ea582fb8fd2589edc7c5b94297fb9d77fb991dae823493e62d9290e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 90ed7f8e6f954e01b009d4a842d08ae5d8725d1488afd2384edc954d9cad158e
[INFO] running `Command { std: "docker" "start" "-a" "90ed7f8e6f954e01b009d4a842d08ae5d8725d1488afd2384edc954d9cad158e", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `error_type` is never read
[INFO] [stderr]   --> src/error.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub error_type: ProtocolErrorType,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `error_type` is never read
[INFO] [stderr]   --> src/error.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub error_type: ProtocolErrorType,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `multilink` (lib) generated 2 warnings
[INFO] [stderr] warning: `multilink` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multilink-1ad366f4195469ec)
[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 multilink
[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] running `Command { std: "docker" "inspect" "90ed7f8e6f954e01b009d4a842d08ae5d8725d1488afd2384edc954d9cad158e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ed7f8e6f954e01b009d4a842d08ae5d8725d1488afd2384edc954d9cad158e", kill_on_drop: false }`
[INFO] [stdout] 90ed7f8e6f954e01b009d4a842d08ae5d8725d1488afd2384edc954d9cad158e
