[INFO] fetching crate rosc 0.10.1...
[INFO] checking rosc-0.10.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate rosc 0.10.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rosc 0.10.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rosc 0.10.1
[INFO] finished tweaking crates.io crate rosc 0.10.1
[INFO] tweaked toml for crates.io crate rosc 0.10.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate rosc 0.10.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while 2018 is compatible with `rust-version`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 049bbdd0f7d3f8132d144d8c04edd9b7b48adb55256a1fe97b77d8ba8d48fae7
[INFO] running `Command { std: "docker" "start" "-a" "049bbdd0f7d3f8132d144d8c04edd9b7b48adb55256a1fe97b77d8ba8d48fae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049bbdd0f7d3f8132d144d8c04edd9b7b48adb55256a1fe97b77d8ba8d48fae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049bbdd0f7d3f8132d144d8c04edd9b7b48adb55256a1fe97b77d8ba8d48fae7", kill_on_drop: false }`
[INFO] [stdout] 049bbdd0f7d3f8132d144d8c04edd9b7b48adb55256a1fe97b77d8ba8d48fae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4f01c1fcc55ae8f21182ef53e5674707139fcba51b1fec97176e3b8a0d1b0da
[INFO] running `Command { std: "docker" "start" "-a" "c4f01c1fcc55ae8f21182ef53e5674707139fcba51b1fec97176e3b8a0d1b0da", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while 2018 is compatible with `rust-version`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking rosc v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "c4f01c1fcc55ae8f21182ef53e5674707139fcba51b1fec97176e3b8a0d1b0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f01c1fcc55ae8f21182ef53e5674707139fcba51b1fec97176e3b8a0d1b0da", kill_on_drop: false }`
[INFO] [stdout] c4f01c1fcc55ae8f21182ef53e5674707139fcba51b1fec97176e3b8a0d1b0da