[INFO] fetching crate icemelter 0.3.2...
[INFO] checking icemelter-0.3.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate icemelter 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate icemelter 0.3.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 869fad84e168aecadd2cedad1d3bb172e447e5e08e339a09ee190cf395ea444a
[INFO] running `Command { std: "docker" "start" "-a" "869fad84e168aecadd2cedad1d3bb172e447e5e08e339a09ee190cf395ea444a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "869fad84e168aecadd2cedad1d3bb172e447e5e08e339a09ee190cf395ea444a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869fad84e168aecadd2cedad1d3bb172e447e5e08e339a09ee190cf395ea444a", kill_on_drop: false }`
[INFO] [stdout] 869fad84e168aecadd2cedad1d3bb172e447e5e08e339a09ee190cf395ea444a
[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=forbid -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afcf2c953ee83bd41d1a049054a47c5c989ca1bff6d367ba55c61fec3fd79d1a
[INFO] running `Command { std: "docker" "start" "-a" "afcf2c953ee83bd41d1a049054a47c5c989ca1bff6d367ba55c61fec3fd79d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking regex-syntax v0.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking regex-automata v0.3.2
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking anstream v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking clap_builder v4.3.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nu-ansi-term v0.48.0
[INFO] [stderr]     Checking tree-sitter-traversal v0.1.2
[INFO] [stderr]     Checking tree-sitter-edit v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.39
[INFO] [stderr]     Checking clap v4.3.12
[INFO] [stderr]     Checking clap-verbosity-flag v2.0.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking treereduce v0.3.0
[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)]` 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(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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)]` 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(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.50s
[INFO] running `Command { std: "docker" "inspect" "afcf2c953ee83bd41d1a049054a47c5c989ca1bff6d367ba55c61fec3fd79d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcf2c953ee83bd41d1a049054a47c5c989ca1bff6d367ba55c61fec3fd79d1a", kill_on_drop: false }`
[INFO] [stdout] afcf2c953ee83bd41d1a049054a47c5c989ca1bff6d367ba55c61fec3fd79d1a