[INFO] fetching crate chorus_lib 0.3.0...
[INFO] checking chorus_lib-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate chorus_lib 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate chorus_lib 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 chorus_lib 0.3.0
[INFO] finished tweaking crates.io crate chorus_lib 0.3.0
[INFO] tweaked toml for crates.io crate chorus_lib 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate chorus_lib 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-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] b9904397133d3c3774f7fca0e9d6ae60d22bddf2df190b191d6c7d7d1de7874a
[INFO] running `Command { std: "docker" "start" "-a" "b9904397133d3c3774f7fca0e9d6ae60d22bddf2df190b191d6c7d7d1de7874a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9904397133d3c3774f7fca0e9d6ae60d22bddf2df190b191d6c7d7d1de7874a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9904397133d3c3774f7fca0e9d6ae60d22bddf2df190b191d6c7d7d1de7874a", kill_on_drop: false }`
[INFO] [stdout] b9904397133d3c3774f7fca0e9d6ae60d22bddf2df190b191d6c7d7d1de7874a
[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] b326c28c936f05126f65a4099d5dccf7a4f7d64093e4d59b79714a1c94549f4d
[INFO] running `Command { std: "docker" "start" "-a" "b326c28c936f05126f65a4099d5dccf7a4f7d64093e4d59b79714a1c94549f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.192
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[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
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[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
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[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking percent-encoding v2.3.0
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[INFO] [stderr]     Checking unicode-normalization v0.1.22
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[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling chorus_derive v0.3.0
[INFO] [stderr]     Checking clap v4.4.8
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking chorus_lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: struct `Bob` is never constructed
[INFO] [stdout]  --> examples/input-output.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Bob;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Carol` is never constructed
[INFO] [stdout]  --> examples/input-output.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Carol;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Carol` is never constructed
[INFO] [stdout]    --> src/transport/http.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |     struct Carol;
[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: method `get_player` is never used
[INFO] [stdout]    --> examples/tic-tac-toe.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | trait Brain {
[INFO] [stdout]     |       ----- method in this trait
[INFO] [stdout] 113 |     fn get_player(&self) -> char;
[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 12.01s
[INFO] running `Command { std: "docker" "inspect" "b326c28c936f05126f65a4099d5dccf7a4f7d64093e4d59b79714a1c94549f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b326c28c936f05126f65a4099d5dccf7a4f7d64093e4d59b79714a1c94549f4d", kill_on_drop: false }`
[INFO] [stdout] b326c28c936f05126f65a4099d5dccf7a4f7d64093e4d59b79714a1c94549f4d