[INFO] fetching crate gw_signal 0.1.10-alpha.2...
[INFO] checking gw_signal-0.1.10-alpha.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate gw_signal 0.1.10-alpha.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gw_signal 0.1.10-alpha.2
[INFO] finished tweaking crates.io crate gw_signal 0.1.10-alpha.2
[INFO] tweaked toml for crates.io crate gw_signal 0.1.10-alpha.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gw_signal 0.1.10-alpha.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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 rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7b679842d1233368fa7622ed3dcb86d3759b03a9ff8c394aae718cf1a1f7550
[INFO] running `Command { std: "docker" "start" "-a" "b7b679842d1233368fa7622ed3dcb86d3759b03a9ff8c394aae718cf1a1f7550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7b679842d1233368fa7622ed3dcb86d3759b03a9ff8c394aae718cf1a1f7550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b679842d1233368fa7622ed3dcb86d3759b03a9ff8c394aae718cf1a1f7550", kill_on_drop: false }`
[INFO] [stdout] b7b679842d1233368fa7622ed3dcb86d3759b03a9ff8c394aae718cf1a1f7550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 523d43dec603ccc5c38110d46f607a69b0a3d3dc7eef41e39c52219d8203362e
[INFO] running `Command { std: "docker" "start" "-a" "523d43dec603ccc5c38110d46f607a69b0a3d3dc7eef41e39c52219d8203362e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking more-asserts v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking rustfft v6.4.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking gw_signal v0.1.10-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "523d43dec603ccc5c38110d46f607a69b0a3d3dc7eef41e39c52219d8203362e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523d43dec603ccc5c38110d46f607a69b0a3d3dc7eef41e39c52219d8203362e", kill_on_drop: false }`
[INFO] [stdout] 523d43dec603ccc5c38110d46f607a69b0a3d3dc7eef41e39c52219d8203362e