[INFO] fetching crate mpls 0.2.0...
[INFO] checking mpls-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate mpls 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mpls 0.2.0 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 mpls 0.2.0
[INFO] finished tweaking crates.io crate mpls 0.2.0
[INFO] tweaked toml for crates.io crate mpls 0.2.0 written to /workspace/builds/worker-2-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 40 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding lexical-core v0.7.6 (available: v1.0.2)
[INFO] [stderr]       Adding nom v5.1.3 (available: v7.1.3)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (available: v0.12.1)
[INFO] [stderr]       Adding toml v0.7.8 (available: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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] 2c4b8f25cbe1c24370325c8fb09fb4bc8e9d0587f41c66153b6d89971837fdcd
[INFO] running `Command { std: "docker" "start" "-a" "2c4b8f25cbe1c24370325c8fb09fb4bc8e9d0587f41c66153b6d89971837fdcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c4b8f25cbe1c24370325c8fb09fb4bc8e9d0587f41c66153b6d89971837fdcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4b8f25cbe1c24370325c8fb09fb4bc8e9d0587f41c66153b6d89971837fdcd", kill_on_drop: false }`
[INFO] [stdout] 2c4b8f25cbe1c24370325c8fb09fb4bc8e9d0587f41c66153b6d89971837fdcd
[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] b252ff251508ca225ab56554b422d2bf0854545f77ee4b5ddb62757ce0865fdb
[INFO] running `Command { std: "docker" "start" "-a" "b252ff251508ca225ab56554b422d2bf0854545f77ee4b5ddb62757ce0865fdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking pulldown-cmark v0.9.6
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking mpls v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "b252ff251508ca225ab56554b422d2bf0854545f77ee4b5ddb62757ce0865fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b252ff251508ca225ab56554b422d2bf0854545f77ee4b5ddb62757ce0865fdb", kill_on_drop: false }`
[INFO] [stdout] b252ff251508ca225ab56554b422d2bf0854545f77ee4b5ddb62757ce0865fdb