[INFO] fetching crate am_list 0.3.0...
[INFO] checking am_list-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate am_list 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate am_list 0.3.0 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 am_list 0.3.0
[INFO] finished tweaking crates.io crate am_list 0.3.0
[INFO] tweaked toml for crates.io crate am_list 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate am_list 0.3.0 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] 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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da2a61571691c64b2629dba53174a0091c51e7af470674b8da0df48a7d92b545
[INFO] running `Command { std: "docker" "start" "-a" "da2a61571691c64b2629dba53174a0091c51e7af470674b8da0df48a7d92b545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da2a61571691c64b2629dba53174a0091c51e7af470674b8da0df48a7d92b545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2a61571691c64b2629dba53174a0091c51e7af470674b8da0df48a7d92b545", kill_on_drop: false }`
[INFO] [stdout] da2a61571691c64b2629dba53174a0091c51e7af470674b8da0df48a7d92b545
[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 -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] c9b0e38de3588990d7d4591a548cb0c5464d54bcd5902be5126ebaec6b2e3f1c
[INFO] running `Command { std: "docker" "start" "-a" "c9b0e38de3588990d7d4591a548cb0c5464d54bcd5902be5126ebaec6b2e3f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking memchr v2.6.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling rustix v0.38.10
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking clap_builder v4.4.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]    Compiling tree-sitter v0.20.10
[INFO] [stderr]    Compiling tree-sitter-go v0.19.1
[INFO] [stderr]    Compiling tree-sitter-python v0.20.4
[INFO] [stderr]    Compiling tree-sitter-typescript v0.20.2
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.4
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]     Checking flexi_logger v0.25.6
[INFO] [stderr]     Checking clap v4.4.1
[INFO] [stderr]     Checking am_list v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `AmStruct` is never constructed
[INFO] [stdout]   --> src/rust.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct AmStruct {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AmStruct` is never constructed
[INFO] [stdout]   --> src/rust.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct AmStruct {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "c9b0e38de3588990d7d4591a548cb0c5464d54bcd5902be5126ebaec6b2e3f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b0e38de3588990d7d4591a548cb0c5464d54bcd5902be5126ebaec6b2e3f1c", kill_on_drop: false }`
[INFO] [stdout] c9b0e38de3588990d7d4591a548cb0c5464d54bcd5902be5126ebaec6b2e3f1c