[INFO] fetching crate slog_unwraps 0.1.5...
[INFO] checking slog_unwraps-0.1.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate slog_unwraps 0.1.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate slog_unwraps 0.1.5 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 slog_unwraps 0.1.5
[INFO] finished tweaking crates.io crate slog_unwraps 0.1.5
[INFO] tweaked toml for crates.io crate slog_unwraps 0.1.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding ctor v0.1.26 (available: v0.2.8)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding term v0.7.0 (available: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 8e0e54ed4e6f64574dbcb4c46e596d6392519aea028e1b0dbab105279fb61208
[INFO] running `Command { std: "docker" "start" "-a" "8e0e54ed4e6f64574dbcb4c46e596d6392519aea028e1b0dbab105279fb61208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e0e54ed4e6f64574dbcb4c46e596d6392519aea028e1b0dbab105279fb61208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0e54ed4e6f64574dbcb4c46e596d6392519aea028e1b0dbab105279fb61208", kill_on_drop: false }`
[INFO] [stdout] 8e0e54ed4e6f64574dbcb4c46e596d6392519aea028e1b0dbab105279fb61208
[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] db5e5ddfc74ce154c00862060ec822d36724c076f27e925edecc90f847aee1c4
[INFO] running `Command { std: "docker" "start" "-a" "db5e5ddfc74ce154c00862060ec822d36724c076f27e925edecc90f847aee1c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking slog-term v2.9.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking slog_unwraps v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "db5e5ddfc74ce154c00862060ec822d36724c076f27e925edecc90f847aee1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5e5ddfc74ce154c00862060ec822d36724c076f27e925edecc90f847aee1c4", kill_on_drop: false }`
[INFO] [stdout] db5e5ddfc74ce154c00862060ec822d36724c076f27e925edecc90f847aee1c4