[INFO] fetching crate toa-find 0.1.1...
[INFO] checking toa-find-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate toa-find 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate toa-find 0.1.1 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 toa-find 0.1.1
[INFO] finished tweaking crates.io crate toa-find 0.1.1
[INFO] tweaked toml for crates.io crate toa-find 0.1.1 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.6.10 (available: v1.1.3)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (available: v0.8.4)
[INFO] [stderr]       Adding same-file v0.1.3 (available: v1.0.6)
[INFO] [stderr]       Adding thread_local v0.3.6 (available: v1.1.8)
[INFO] [stderr]       Adding ucd-util v0.1.10 (available: v0.2.1)
[INFO] [stderr]       Adding walkdir v1.0.7 (available: v2.5.0)
[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 41a0c1ba359f033d357954ecf7dcfc7987ef76217b4f269699af1c6e45ffeedc
[INFO] running `Command { std: "docker" "start" "-a" "41a0c1ba359f033d357954ecf7dcfc7987ef76217b4f269699af1c6e45ffeedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41a0c1ba359f033d357954ecf7dcfc7987ef76217b4f269699af1c6e45ffeedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a0c1ba359f033d357954ecf7dcfc7987ef76217b4f269699af1c6e45ffeedc", kill_on_drop: false }`
[INFO] [stdout] 41a0c1ba359f033d357954ecf7dcfc7987ef76217b4f269699af1c6e45ffeedc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 31d0aebe7dedadb57fac198fcea6b5dfd14cc995d457612dcb1b809a90f87acf
[INFO] running `Command { std: "docker" "start" "-a" "31d0aebe7dedadb57fac198fcea6b5dfd14cc995d457612dcb1b809a90f87acf", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking toa-find v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "31d0aebe7dedadb57fac198fcea6b5dfd14cc995d457612dcb1b809a90f87acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d0aebe7dedadb57fac198fcea6b5dfd14cc995d457612dcb1b809a90f87acf", kill_on_drop: false }`
[INFO] [stdout] 31d0aebe7dedadb57fac198fcea6b5dfd14cc995d457612dcb1b809a90f87acf