[INFO] fetching crate iars 0.1.0...
[INFO] checking iars-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate iars 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate iars 0.1.0 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 iars 0.1.0
[INFO] finished tweaking crates.io crate iars 0.1.0
[INFO] tweaked toml for crates.io crate iars 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] c9aa7303137d74fd2ccd6f1e84776c2406f5c8b46dadb4950a0c1637a42b5a7e
[INFO] running `Command { std: "docker" "start" "-a" "c9aa7303137d74fd2ccd6f1e84776c2406f5c8b46dadb4950a0c1637a42b5a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9aa7303137d74fd2ccd6f1e84776c2406f5c8b46dadb4950a0c1637a42b5a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9aa7303137d74fd2ccd6f1e84776c2406f5c8b46dadb4950a0c1637a42b5a7e", kill_on_drop: false }`
[INFO] [stdout] c9aa7303137d74fd2ccd6f1e84776c2406f5c8b46dadb4950a0c1637a42b5a7e
[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] 464f47ef5218c05077d0b901128b0aadc71307bc0d57870fd3ca674ca3d2f5b9
[INFO] running `Command { std: "docker" "start" "-a" "464f47ef5218c05077d0b901128b0aadc71307bc0d57870fd3ca674ca3d2f5b9", kill_on_drop: false }`
[INFO] [stderr]     Checking rustls-pki-types v1.9.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling rustls v0.23.13
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking webpki-roots v0.26.6
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking ureq v2.10.1
[INFO] [stderr]     Checking iars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "464f47ef5218c05077d0b901128b0aadc71307bc0d57870fd3ca674ca3d2f5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464f47ef5218c05077d0b901128b0aadc71307bc0d57870fd3ca674ca3d2f5b9", kill_on_drop: false }`
[INFO] [stdout] 464f47ef5218c05077d0b901128b0aadc71307bc0d57870fd3ca674ca3d2f5b9