[INFO] fetching crate peekable 0.2.3...
[INFO] checking peekable-0.2.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate peekable 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate peekable 0.2.3 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 peekable 0.2.3
[INFO] finished tweaking crates.io crate peekable 0.2.3
[INFO] tweaked toml for crates.io crate peekable 0.2.3 written to /workspace/builds/worker-6-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 52 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding futures-executor v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding futures-macro v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding futures-util v0.3.29 (available: v0.3.30)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e1463691c2ba2dbc6effde5917291e1dbfb130e8cc4e385a5210c2d6c9566593
[INFO] running `Command { std: "docker" "start" "-a" "e1463691c2ba2dbc6effde5917291e1dbfb130e8cc4e385a5210c2d6c9566593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1463691c2ba2dbc6effde5917291e1dbfb130e8cc4e385a5210c2d6c9566593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1463691c2ba2dbc6effde5917291e1dbfb130e8cc4e385a5210c2d6c9566593", kill_on_drop: false }`
[INFO] [stdout] e1463691c2ba2dbc6effde5917291e1dbfb130e8cc4e385a5210c2d6c9566593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4b647019650f23f10b280ca6ca9634803c89d984788859aef915dab97553a8cf
[INFO] running `Command { std: "docker" "start" "-a" "4b647019650f23f10b280ca6ca9634803c89d984788859aef915dab97553a8cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking peekable v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "4b647019650f23f10b280ca6ca9634803c89d984788859aef915dab97553a8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b647019650f23f10b280ca6ca9634803c89d984788859aef915dab97553a8cf", kill_on_drop: false }`
[INFO] [stdout] 4b647019650f23f10b280ca6ca9634803c89d984788859aef915dab97553a8cf