[INFO] fetching crate icemelter 0.3.2...
[INFO] checking icemelter-0.3.2 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate icemelter 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate icemelter 0.3.2
[INFO] finished tweaking crates.io crate icemelter 0.3.2
[INFO] tweaked toml for crates.io crate icemelter 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate icemelter 0.3.2 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icemelter 0.3.2 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tree-sitter-edit v0.3.0
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.0
[INFO] [stderr]   Downloaded clap-verbosity-flag v2.0.1
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded tree-sitter-traversal v0.1.2
[INFO] [stderr]   Downloaded futures-io v0.3.27
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded anstream v0.3.0
[INFO] [stderr]   Downloaded nu-ansi-term v0.48.0
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded openssl-sys v0.9.81
[INFO] [stderr]   Downloaded unicode-bidi v0.3.12
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded tree-sitter v0.20.10
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded treereduce v0.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.3
[INFO] [stderr]   Downloaded openssl v0.10.46
[INFO] [stderr]   Downloaded tree-sitter-rust v0.20.3
[INFO] [stderr]   Downloaded regex-automata v0.3.2
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 573d5c554d7f9ba485682ea8b0f910622763fab39c8b296187f6ec0eeb0e559c
[INFO] running `Command { std: "docker" "start" "-a" "573d5c554d7f9ba485682ea8b0f910622763fab39c8b296187f6ec0eeb0e559c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "573d5c554d7f9ba485682ea8b0f910622763fab39c8b296187f6ec0eeb0e559c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573d5c554d7f9ba485682ea8b0f910622763fab39c8b296187f6ec0eeb0e559c", kill_on_drop: false }`
[INFO] [stdout] 573d5c554d7f9ba485682ea8b0f910622763fab39c8b296187f6ec0eeb0e559c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0459714144a4675c4e6276d1c0b52280ff86ca4dbc974ddb869a26b6ffe9cfba
[INFO] running `Command { std: "docker" "start" "-a" "0459714144a4675c4e6276d1c0b52280ff86ca4dbc974ddb869a26b6ffe9cfba", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.7.3
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking rustix v0.37.20
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking regex-automata v0.3.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nu-ansi-term v0.48.0
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking anstream v0.3.0
[INFO] [stderr]     Checking clap_builder v4.3.12
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking tree-sitter-traversal v0.1.2
[INFO] [stderr]     Checking tree-sitter-edit v0.3.0
[INFO] [stderr]     Checking clap v4.3.12
[INFO] [stderr]     Checking clap-verbosity-flag v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking serde v1.0.171
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking treereduce v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking icemelter v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |     Changed(Vec<u8>),
[INFO] [stdout]     |     ------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 286 -     Changed(Vec<u8>),
[INFO] [stdout] 286 +     Changed(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |     Changed(Vec<u8>),
[INFO] [stdout]     |     ------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 286 -     Changed(Vec<u8>),
[INFO] [stdout] 286 +     Changed(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.32s
[INFO] running `Command { std: "docker" "inspect" "0459714144a4675c4e6276d1c0b52280ff86ca4dbc974ddb869a26b6ffe9cfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0459714144a4675c4e6276d1c0b52280ff86ca4dbc974ddb869a26b6ffe9cfba", kill_on_drop: false }`
[INFO] [stdout] 0459714144a4675c4e6276d1c0b52280ff86ca4dbc974ddb869a26b6ffe9cfba