[INFO] fetching crate carlotk 1.1.0...
[INFO] checking carlotk-1.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate carlotk 1.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate carlotk 1.1.0 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 carlotk 1.1.0
[INFO] finished tweaking crates.io crate carlotk 1.1.0
[INFO] tweaked toml for crates.io crate carlotk 1.1.0 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 45 packages to latest compatible versions
[INFO] [stderr]       Adding endian-type v0.1.2 (available: v0.2.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding nix v0.27.1 (available: v0.29.0)
[INFO] [stderr]       Adding rustyline v13.0.0 (available: v14.0.0)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[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-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] ee3faceffe72a69482826f5a47107e7a28e0becaca5e4966cd9ebefc7602bb00
[INFO] running `Command { std: "docker" "start" "-a" "ee3faceffe72a69482826f5a47107e7a28e0becaca5e4966cd9ebefc7602bb00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee3faceffe72a69482826f5a47107e7a28e0becaca5e4966cd9ebefc7602bb00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3faceffe72a69482826f5a47107e7a28e0becaca5e4966cd9ebefc7602bb00", kill_on_drop: false }`
[INFO] [stdout] ee3faceffe72a69482826f5a47107e7a28e0becaca5e4966cd9ebefc7602bb00
[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] 20e0bb59e2b10aedcab62ed740d259e8ae9372c8aaa7331e1e0e85a12712829d
[INFO] running `Command { std: "docker" "start" "-a" "20e0bb59e2b10aedcab62ed740d259e8ae9372c8aaa7331e1e0e85a12712829d", kill_on_drop: false }`
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]     Checking carlotk v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "20e0bb59e2b10aedcab62ed740d259e8ae9372c8aaa7331e1e0e85a12712829d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e0bb59e2b10aedcab62ed740d259e8ae9372c8aaa7331e1e0e85a12712829d", kill_on_drop: false }`
[INFO] [stdout] 20e0bb59e2b10aedcab62ed740d259e8ae9372c8aaa7331e1e0e85a12712829d