[INFO] fetching crate task-stream 0.3.7...
[INFO] checking task-stream-0.3.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate task-stream 0.3.7 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate task-stream 0.3.7 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 task-stream 0.3.7
[INFO] finished tweaking crates.io crate task-stream 0.3.7
[INFO] tweaked toml for crates.io crate task-stream 0.3.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate task-stream 0.3.7 already has a lockfile, it will not be regenerated
[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-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] 6594b49d3e2fa970d2fec16ed8f58425d669184c6902c6ac68b8b0d90ef32126
[INFO] running `Command { std: "docker" "start" "-a" "6594b49d3e2fa970d2fec16ed8f58425d669184c6902c6ac68b8b0d90ef32126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6594b49d3e2fa970d2fec16ed8f58425d669184c6902c6ac68b8b0d90ef32126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6594b49d3e2fa970d2fec16ed8f58425d669184c6902c6ac68b8b0d90ef32126", kill_on_drop: false }`
[INFO] [stdout] 6594b49d3e2fa970d2fec16ed8f58425d669184c6902c6ac68b8b0d90ef32126
[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] 116978c2ff8a466d832ed14ca287bb9e39dcce3eadb78af4e4c3c2fbb974f4ed
[INFO] running `Command { std: "docker" "start" "-a" "116978c2ff8a466d832ed14ca287bb9e39dcce3eadb78af4e4c3c2fbb974f4ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atomic-polyfill v0.1.8
[INFO] [stderr]     Checking time-clock v0.1.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking clock_source v0.2.4
[INFO] [stderr]     Checking interrupt v0.1.3
[INFO] [stderr]     Checking tick_clock v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking ach-util v0.1.15
[INFO] [stderr]     Checking ach-cell v0.1.16
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking ach-once v0.1.5
[INFO] [stderr]     Checking ach-array v0.1.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking async_ach-waker v0.1.3
[INFO] [stderr]     Checking ach-lazy v0.1.2
[INFO] [stderr]     Checking async-tick v0.1.7
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking task-stream v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "116978c2ff8a466d832ed14ca287bb9e39dcce3eadb78af4e4c3c2fbb974f4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116978c2ff8a466d832ed14ca287bb9e39dcce3eadb78af4e4c3c2fbb974f4ed", kill_on_drop: false }`
[INFO] [stdout] 116978c2ff8a466d832ed14ca287bb9e39dcce3eadb78af4e4c3c2fbb974f4ed