[INFO] fetching crate remote_serial 1.0.9...
[INFO] checking remote_serial-1.0.9 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate remote_serial 1.0.9 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate remote_serial 1.0.9 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-32/source/.cargo/config
[INFO] started tweaking crates.io crate remote_serial 1.0.9
[INFO] finished tweaking crates.io crate remote_serial 1.0.9
[INFO] tweaked toml for crates.io crate remote_serial 1.0.9 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate crates.io crate remote_serial 1.0.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio-serial v3.3.1
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded local_ipaddress v0.1.3
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded futures-executor v0.3.14
[INFO] [stderr]   Downloaded futures-macro v0.3.14
[INFO] [stderr]   Downloaded tokio-serial v4.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1f58e1aa2c69a98c0136594f916a011158dd68d024e381c6f66a32521aabbad
[INFO] running `Command { std: "docker" "start" "-a" "e1f58e1aa2c69a98c0136594f916a011158dd68d024e381c6f66a32521aabbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1f58e1aa2c69a98c0136594f916a011158dd68d024e381c6f66a32521aabbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f58e1aa2c69a98c0136594f916a011158dd68d024e381c6f66a32521aabbad", kill_on_drop: false }`
[INFO] [stdout] e1f58e1aa2c69a98c0136594f916a011158dd68d024e381c6f66a32521aabbad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc5323e5a8779e996be85a69876eed332dcaf806c270dfc87ca73edb6efb806b
[INFO] running `Command { std: "docker" "start" "-a" "dc5323e5a8779e996be85a69876eed332dcaf806c270dfc87ca73edb6efb806b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking local_ipaddress v0.1.3
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tokio-serial v4.3.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking remote_serial v1.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.18s
[INFO] running `Command { std: "docker" "inspect" "dc5323e5a8779e996be85a69876eed332dcaf806c270dfc87ca73edb6efb806b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5323e5a8779e996be85a69876eed332dcaf806c270dfc87ca73edb6efb806b", kill_on_drop: false }`
[INFO] [stdout] dc5323e5a8779e996be85a69876eed332dcaf806c270dfc87ca73edb6efb806b