[INFO] cloning repository https://github.com/YushiOMOTE/pmux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YushiOMOTE/pmux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYushiOMOTE%2Fpmux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYushiOMOTE%2Fpmux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 150ba296f0401b66aa4f242b5a57184d936f6dd0
[INFO] checking YushiOMOTE/pmux against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYushiOMOTE%2Fpmux" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YushiOMOTE/pmux
[INFO] finished tweaking git repo https://github.com/YushiOMOTE/pmux
[INFO] tweaked toml for git repo https://github.com/YushiOMOTE/pmux written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YushiOMOTE/pmux on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YushiOMOTE/pmux 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.4
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded memchr v2.3.2
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded tokio-util v0.2.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded futures-executor v0.3.4
[INFO] [stderr]   Downloaded futures-channel v0.3.4
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] [stderr]   Downloaded aho-corasick v0.7.8
[INFO] [stderr]   Downloaded futures-util v0.3.4
[INFO] [stderr]   Downloaded futures-task v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7d8d74df0cabc63734a39c6812d3dff1a7a1d655ea277c86f04ea17b5b106fe
[INFO] running `Command { std: "docker" "start" "-a" "f7d8d74df0cabc63734a39c6812d3dff1a7a1d655ea277c86f04ea17b5b106fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7d8d74df0cabc63734a39c6812d3dff1a7a1d655ea277c86f04ea17b5b106fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d8d74df0cabc63734a39c6812d3dff1a7a1d655ea277c86f04ea17b5b106fe", kill_on_drop: false }`
[INFO] [stdout] f7d8d74df0cabc63734a39c6812d3dff1a7a1d655ea277c86f04ea17b5b106fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea9bbb7058fff53967380b562ca0770a813315857369bd7b7c2523515ad632b
[INFO] running `Command { std: "docker" "start" "-a" "aea9bbb7058fff53967380b562ca0770a813315857369bd7b7c2523515ad632b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking pmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]  --> src/error.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Error {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]  --> src/error.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Error {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.96s
[INFO] running `Command { std: "docker" "inspect" "aea9bbb7058fff53967380b562ca0770a813315857369bd7b7c2523515ad632b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea9bbb7058fff53967380b562ca0770a813315857369bd7b7c2523515ad632b", kill_on_drop: false }`
[INFO] [stdout] aea9bbb7058fff53967380b562ca0770a813315857369bd7b7c2523515ad632b