[INFO] fetching crate serdo 0.1.6...
[INFO] checking serdo-0.1.6 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate serdo 0.1.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serdo 0.1.6
[INFO] finished tweaking crates.io crate serdo 0.1.6
[INFO] tweaked toml for crates.io crate serdo 0.1.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serdo 0.1.6 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b94e67e6b8ebb4262a3057f74810d3fa599e35024e0e9f53c8e7a4b515d98a45
[INFO] running `Command { std: "docker" "start" "-a" "b94e67e6b8ebb4262a3057f74810d3fa599e35024e0e9f53c8e7a4b515d98a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94e67e6b8ebb4262a3057f74810d3fa599e35024e0e9f53c8e7a4b515d98a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94e67e6b8ebb4262a3057f74810d3fa599e35024e0e9f53c8e7a4b515d98a45", kill_on_drop: false }`
[INFO] [stdout] b94e67e6b8ebb4262a3057f74810d3fa599e35024e0e9f53c8e7a4b515d98a45
[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=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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ca088e3b3e03982be1895146f1ba61150670d941ac7afb94b49cec6d865ea4
[INFO] running `Command { std: "docker" "start" "-a" "09ca088e3b3e03982be1895146f1ba61150670d941ac7afb94b49cec6d865ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking example v1.1.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling error-stack v0.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking serdo v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `send`
[INFO] [stdout]    --> src/undo_store.rs:480:14
[INFO] [stdout]     |
[INFO] [stdout] 480 | macro_rules! send {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `send`
[INFO] [stdout]    --> src/undo_store.rs:480:14
[INFO] [stdout]     |
[INFO] [stdout] 480 | macro_rules! send {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sub` is never constructed
[INFO] [stdout]     --> src/undo_store.rs:1394:19
[INFO] [stdout]      |
[INFO] [stdout] 1393 |     enum SumCmd {
[INFO] [stdout]      |          ------ variant in this enum
[INFO] [stdout] 1394 |         Add(i32), Sub(i32),
[INFO] [stdout]      |                   ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sub` is never used
[INFO] [stdout]     --> src/undo_store.rs:1427:12
[INFO] [stdout]      |
[INFO] [stdout] 1424 |     trait Model {
[INFO] [stdout]      |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 1427 |         fn sub(&mut self, to_sub: i32) -> Self::Resp;
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.70s
[INFO] running `Command { std: "docker" "inspect" "09ca088e3b3e03982be1895146f1ba61150670d941ac7afb94b49cec6d865ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ca088e3b3e03982be1895146f1ba61150670d941ac7afb94b49cec6d865ea4", kill_on_drop: false }`
[INFO] [stdout] 09ca088e3b3e03982be1895146f1ba61150670d941ac7afb94b49cec6d865ea4