[INFO] fetching crate gull 6.0.2...
[INFO] checking gull-6.0.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate gull 6.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate gull 6.0.2 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 gull 6.0.2
[INFO] finished tweaking crates.io crate gull 6.0.2
[INFO] tweaked toml for crates.io crate gull 6.0.2 written to /workspace/builds/worker-5-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 71 packages to latest compatible versions
[INFO] [stderr]       Adding block-buffer v0.9.0 (available: v0.10.4)
[INFO] [stderr]       Adding colored v1.9.4 (available: v2.1.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding darling v0.14.4 (available: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.14.4 (available: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.14.4 (available: v0.20.10)
[INFO] [stderr]       Adding derive_builder v0.11.2 (available: v0.20.1)
[INFO] [stderr]       Adding derive_builder_core v0.11.2 (available: v0.20.1)
[INFO] [stderr]       Adding derive_builder_macro v0.11.2 (available: v0.20.1)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding docblock v0.0.1 (available: v0.0.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding half v1.8.3 (available: v2.4.1)
[INFO] [stderr]       Adding k9 v0.11.6 (available: v0.12.0)
[INFO] [stderr]       Adding serde_cbor v0.9.0 (available: v0.11.2)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.8)
[INFO] [stderr]       Adding strsim v0.10.0 (available: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 39dc9c760b826b0514e19558b05dca6e657875c00653d43e938c7883a3a26894
[INFO] running `Command { std: "docker" "start" "-a" "39dc9c760b826b0514e19558b05dca6e657875c00653d43e938c7883a3a26894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39dc9c760b826b0514e19558b05dca6e657875c00653d43e938c7883a3a26894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39dc9c760b826b0514e19558b05dca6e657875c00653d43e938c7883a3a26894", kill_on_drop: false }`
[INFO] [stdout] 39dc9c760b826b0514e19558b05dca6e657875c00653d43e938c7883a3a26894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0c001497af6205e1594a99bfdcd5031f7c8b1fac5b6f68b6d5acb5931b521549
[INFO] running `Command { std: "docker" "start" "-a" "0c001497af6205e1594a99bfdcd5031f7c8b1fac5b6f68b6d5acb5931b521549", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking k9 v0.11.6
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking gull v6.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.69s
[INFO] running `Command { std: "docker" "inspect" "0c001497af6205e1594a99bfdcd5031f7c8b1fac5b6f68b6d5acb5931b521549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c001497af6205e1594a99bfdcd5031f7c8b1fac5b6f68b6d5acb5931b521549", kill_on_drop: false }`
[INFO] [stdout] 0c001497af6205e1594a99bfdcd5031f7c8b1fac5b6f68b6d5acb5931b521549