[INFO] fetching crate chassis 0.2.0...
[INFO] checking chassis-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate chassis 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate chassis 0.2.0 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 chassis 0.2.0
[INFO] finished tweaking crates.io crate chassis 0.2.0
[INFO] tweaked toml for crates.io crate chassis 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate chassis 0.2.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 96a82f6c2eaf46f13d3a7cd6db0095dbdf9af78cd57318c6e2d895e11e19ce9c
[INFO] running `Command { std: "docker" "start" "-a" "96a82f6c2eaf46f13d3a7cd6db0095dbdf9af78cd57318c6e2d895e11e19ce9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a82f6c2eaf46f13d3a7cd6db0095dbdf9af78cd57318c6e2d895e11e19ce9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a82f6c2eaf46f13d3a7cd6db0095dbdf9af78cd57318c6e2d895e11e19ce9c", kill_on_drop: false }`
[INFO] [stdout] 96a82f6c2eaf46f13d3a7cd6db0095dbdf9af78cd57318c6e2d895e11e19ce9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7fb24735331ff93beb5992988d4ebef653b1ad6fe675122c4778957985fa221c
[INFO] running `Command { std: "docker" "start" "-a" "7fb24735331ff93beb5992988d4ebef653b1ad6fe675122c4778957985fa221c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling chassis-proc-macros v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling trybuild v1.0.84
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]     Checking chassis v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/missing.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct StringArg(String);
[INFO] [stdout]    |                --------- ^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `resolve` is never used
[INFO] [stdout]   --> tests/missing.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub trait Factory {
[INFO] [stdout]    |               ------- method in this trait
[INFO] [stdout] 26 |         fn resolve(&self) -> StringArg;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `resolve` is never used
[INFO] [stdout]   --> tests/missing.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub trait Factory {
[INFO] [stdout]    |               ------- method in this trait
[INFO] [stdout] 50 |         fn resolve(&self) -> String;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `resolve` is never used
[INFO] [stdout]   --> tests/cycle_dep.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub trait Factory {
[INFO] [stdout]    |               ------- method in this trait
[INFO] [stdout] 26 |         fn resolve(&self) -> StringArg;
[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 17.16s
[INFO] running `Command { std: "docker" "inspect" "7fb24735331ff93beb5992988d4ebef653b1ad6fe675122c4778957985fa221c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb24735331ff93beb5992988d4ebef653b1ad6fe675122c4778957985fa221c", kill_on_drop: false }`
[INFO] [stdout] 7fb24735331ff93beb5992988d4ebef653b1ad6fe675122c4778957985fa221c