[INFO] fetching crate copy_confirmer 0.0.4...
[INFO] checking copy_confirmer-0.0.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate copy_confirmer 0.0.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate copy_confirmer 0.0.4 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate copy_confirmer 0.0.4
[INFO] finished tweaking crates.io crate copy_confirmer 0.0.4
[INFO] tweaked toml for crates.io crate copy_confirmer 0.0.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate copy_confirmer 0.0.4 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1548e2a02f9d0365abfb1dadcbf4db5413402e04118df575130c7a76fca8afc0
[INFO] running `Command { std: "docker" "start" "-a" "1548e2a02f9d0365abfb1dadcbf4db5413402e04118df575130c7a76fca8afc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1548e2a02f9d0365abfb1dadcbf4db5413402e04118df575130c7a76fca8afc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1548e2a02f9d0365abfb1dadcbf4db5413402e04118df575130c7a76fca8afc0", kill_on_drop: false }`
[INFO] [stdout] 1548e2a02f9d0365abfb1dadcbf4db5413402e04118df575130c7a76fca8afc0
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22aed1152376204f0dc9cc9fc989d488fba1dc706a39e727e4166189ffd8243
[INFO] running `Command { std: "docker" "start" "-a" "a22aed1152376204f0dc9cc9fc989d488fba1dc706a39e727e4166189ffd8243", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]     Checking copy_confirmer v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use log;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use log;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.17s
[INFO] running `Command { std: "docker" "inspect" "a22aed1152376204f0dc9cc9fc989d488fba1dc706a39e727e4166189ffd8243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22aed1152376204f0dc9cc9fc989d488fba1dc706a39e727e4166189ffd8243", kill_on_drop: false }`
[INFO] [stdout] a22aed1152376204f0dc9cc9fc989d488fba1dc706a39e727e4166189ffd8243