[INFO] fetching crate whisperer 0.0.7...
[INFO] checking whisperer-0.0.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate whisperer 0.0.7 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate whisperer 0.0.7 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 whisperer 0.0.7
[INFO] finished tweaking crates.io crate whisperer 0.0.7
[INFO] tweaked toml for crates.io crate whisperer 0.0.7 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 29 packages to latest compatible versions
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding zstd v0.9.2+zstd.1.5.1 (available: v0.13.2)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (available: v4.1.6+zstd.1.5.2)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (available: v1.6.3+zstd.1.5.2)
[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] 6768f12ca6e7a179593543912d42df708685b70c0fbd109f636992ac40527e6a
[INFO] running `Command { std: "docker" "start" "-a" "6768f12ca6e7a179593543912d42df708685b70c0fbd109f636992ac40527e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6768f12ca6e7a179593543912d42df708685b70c0fbd109f636992ac40527e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6768f12ca6e7a179593543912d42df708685b70c0fbd109f636992ac40527e6a", kill_on_drop: false }`
[INFO] [stdout] 6768f12ca6e7a179593543912d42df708685b70c0fbd109f636992ac40527e6a
[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] da4c792c6354fc6cc1af34aff9f3491d577af357f37c29c81bc81aa58b9d5f06
[INFO] running `Command { std: "docker" "start" "-a" "da4c792c6354fc6cc1af34aff9f3491d577af357f37c29c81bc81aa58b9d5f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.1.22
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]    Compiling blake3 v1.5.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking whisperer v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "da4c792c6354fc6cc1af34aff9f3491d577af357f37c29c81bc81aa58b9d5f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4c792c6354fc6cc1af34aff9f3491d577af357f37c29c81bc81aa58b9d5f06", kill_on_drop: false }`
[INFO] [stdout] da4c792c6354fc6cc1af34aff9f3491d577af357f37c29c81bc81aa58b9d5f06