[INFO] fetching crate way-cooler-client 0.0.0...
[INFO] checking way-cooler-client-0.0.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate way-cooler-client 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate way-cooler-client 0.0.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate way-cooler-client 0.0.0
[INFO] finished tweaking crates.io crate way-cooler-client 0.0.0
[INFO] tweaked toml for crates.io crate way-cooler-client 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded way-cooler-ipc v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa090c72fe794e0c0a3a36e17ad46c4d23079989b5ed86b3962c3ba91a2ae50a
[INFO] running `Command { std: "docker" "start" "-a" "aa090c72fe794e0c0a3a36e17ad46c4d23079989b5ed86b3962c3ba91a2ae50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa090c72fe794e0c0a3a36e17ad46c4d23079989b5ed86b3962c3ba91a2ae50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa090c72fe794e0c0a3a36e17ad46c4d23079989b5ed86b3962c3ba91a2ae50a", kill_on_drop: false }`
[INFO] [stdout] aa090c72fe794e0c0a3a36e17ad46c4d23079989b5ed86b3962c3ba91a2ae50a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1707d69381e8f07d0fe84068560fad5cfaa4725718fe9fabf3f70f89c9aff7d
[INFO] running `Command { std: "docker" "start" "-a" "e1707d69381e8f07d0fe84068560fad5cfaa4725718fe9fabf3f70f89c9aff7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking way-cooler-ipc v0.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking way-cooler-client v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `USAGE`
[INFO] [stdout]   --> src/main.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / const USAGE: &'static str = "
[INFO] [stdout] 7  | | Tool for connecting to way-cooler IPC via CLI
[INFO] [stdout] 8  | |
[INFO] [stdout] 9  | | Usage: way-cooler-client [options]
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   --style <emacs | vim>  Keyboard shortcuts
[INFO] [stdout] 22 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `USAGE`
[INFO] [stdout]   --> src/main.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / const USAGE: &'static str = "
[INFO] [stdout] 7  | | Tool for connecting to way-cooler IPC via CLI
[INFO] [stdout] 8  | |
[INFO] [stdout] 9  | | Usage: way-cooler-client [options]
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   --style <emacs | vim>  Keyboard shortcuts
[INFO] [stdout] 22 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "e1707d69381e8f07d0fe84068560fad5cfaa4725718fe9fabf3f70f89c9aff7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1707d69381e8f07d0fe84068560fad5cfaa4725718fe9fabf3f70f89c9aff7d", kill_on_drop: false }`
[INFO] [stdout] e1707d69381e8f07d0fe84068560fad5cfaa4725718fe9fabf3f70f89c9aff7d