[INFO] cloning repository https://github.com/CurryRaid/rust_hw4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CurryRaid/rust_hw4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurryRaid%2Frust_hw4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurryRaid%2Frust_hw4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48ce546714c18e249e6aea29e072de28230d9d26
[INFO] checking CurryRaid/rust_hw4/48ce546714c18e249e6aea29e072de28230d9d26 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurryRaid%2Frust_hw4" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CurryRaid/rust_hw4 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 git repo https://github.com/CurryRaid/rust_hw4
[INFO] finished tweaking git repo https://github.com/CurryRaid/rust_hw4
[INFO] tweaked toml for git repo https://github.com/CurryRaid/rust_hw4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CurryRaid/rust_hw4 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8af61081812d3d570fab1f479ab0bc83b6a18d75c711f2c339fc0011578ab2e5
[INFO] running `Command { std: "docker" "start" "-a" "8af61081812d3d570fab1f479ab0bc83b6a18d75c711f2c339fc0011578ab2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af61081812d3d570fab1f479ab0bc83b6a18d75c711f2c339fc0011578ab2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af61081812d3d570fab1f479ab0bc83b6a18d75c711f2c339fc0011578ab2e5", kill_on_drop: false }`
[INFO] [stdout] 8af61081812d3d570fab1f479ab0bc83b6a18d75c711f2c339fc0011578ab2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d4bad0286b558d602740ec195bd9203af26005f919a10b03d8721fe807992b68
[INFO] running `Command { std: "docker" "start" "-a" "d4bad0286b558d602740ec195bd9203af26005f919a10b03d8721fe807992b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking hw4_runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.47s
[INFO] running `Command { std: "docker" "inspect" "d4bad0286b558d602740ec195bd9203af26005f919a10b03d8721fe807992b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bad0286b558d602740ec195bd9203af26005f919a10b03d8721fe807992b68", kill_on_drop: false }`
[INFO] [stdout] d4bad0286b558d602740ec195bd9203af26005f919a10b03d8721fe807992b68