[INFO] fetching crate bit-struct 0.3.2...
[INFO] checking bit-struct-0.3.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate bit-struct 0.3.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bit-struct 0.3.2 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 bit-struct 0.3.2
[INFO] finished tweaking crates.io crate bit-struct 0.3.2
[INFO] tweaked toml for crates.io crate bit-struct 0.3.2 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]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-io v0.4.0 (available: v0.6.1)
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.5)
[INFO] [stderr]       Adding hash32 v0.2.1 (available: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.8.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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-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] c2d9400537a8b1a4f6260f479d7336209413e66fc93088f74dd25660beb8dbc5
[INFO] running `Command { std: "docker" "start" "-a" "c2d9400537a8b1a4f6260f479d7336209413e66fc93088f74dd25660beb8dbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d9400537a8b1a4f6260f479d7336209413e66fc93088f74dd25660beb8dbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d9400537a8b1a4f6260f479d7336209413e66fc93088f74dd25660beb8dbc5", kill_on_drop: false }`
[INFO] [stdout] c2d9400537a8b1a4f6260f479d7336209413e66fc93088f74dd25660beb8dbc5
[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] 29ddca66eaaddf83129682d4e13e0f2da6a7b385767074451c232e8833af16f6
[INFO] running `Command { std: "docker" "start" "-a" "29ddca66eaaddf83129682d4e13e0f2da6a7b385767074451c232e8833af16f6", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.6.20
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking bit-struct v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking postcard v1.0.10
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "29ddca66eaaddf83129682d4e13e0f2da6a7b385767074451c232e8833af16f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ddca66eaaddf83129682d4e13e0f2da6a7b385767074451c232e8833af16f6", kill_on_drop: false }`
[INFO] [stdout] 29ddca66eaaddf83129682d4e13e0f2da6a7b385767074451c232e8833af16f6