[INFO] fetching crate cargo-lock 10.0.0-pre.0...
[INFO] checking cargo-lock-10.0.0-pre.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate cargo-lock 10.0.0-pre.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cargo-lock 10.0.0-pre.0 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 cargo-lock 10.0.0-pre.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-lock 10.0.0-pre.0
[INFO] tweaked toml for crates.io crate cargo-lock 10.0.0-pre.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-lock 10.0.0-pre.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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f01c1da6b8a89e89647a2b8becf2a8fcbf587eda6e930c909598abfe7db44ac
[INFO] running `Command { std: "docker" "start" "-a" "2f01c1da6b8a89e89647a2b8becf2a8fcbf587eda6e930c909598abfe7db44ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f01c1da6b8a89e89647a2b8becf2a8fcbf587eda6e930c909598abfe7db44ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f01c1da6b8a89e89647a2b8becf2a8fcbf587eda6e930c909598abfe7db44ac", kill_on_drop: false }`
[INFO] [stdout] 2f01c1da6b8a89e89647a2b8becf2a8fcbf587eda6e930c909598abfe7db44ac
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35cd18009d5aba9517229daa4b57ec3d1cc3e4e321a8c943543fcd21a6768d8b
[INFO] running `Command { std: "docker" "start" "-a" "35cd18009d5aba9517229daa4b57ec3d1cc3e4e321a8c943543fcd21a6768d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking winnow v0.6.16
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking toml_datetime v0.6.7
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.17
[INFO] [stderr]     Checking toml v0.8.16
[INFO] [stderr]     Checking cargo-lock v10.0.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "35cd18009d5aba9517229daa4b57ec3d1cc3e4e321a8c943543fcd21a6768d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cd18009d5aba9517229daa4b57ec3d1cc3e4e321a8c943543fcd21a6768d8b", kill_on_drop: false }`
[INFO] [stdout] 35cd18009d5aba9517229daa4b57ec3d1cc3e4e321a8c943543fcd21a6768d8b