[INFO] fetching crate wireguard-proxy 0.1.0...
[INFO] testing wireguard-proxy-0.1.0 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate wireguard-proxy 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wireguard-proxy 0.1.0
[INFO] finished tweaking crates.io crate wireguard-proxy 0.1.0
[INFO] tweaked toml for crates.io crate wireguard-proxy 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wireguard-proxy 0.1.0 on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f323761cc152373f06d4f6393ba3828c33b1be9e726dd2faeee4295be1fc67d
[INFO] running `Command { std: "docker" "start" "-a" "4f323761cc152373f06d4f6393ba3828c33b1be9e726dd2faeee4295be1fc67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f323761cc152373f06d4f6393ba3828c33b1be9e726dd2faeee4295be1fc67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f323761cc152373f06d4f6393ba3828c33b1be9e726dd2faeee4295be1fc67d", kill_on_drop: false }`
[INFO] [stdout] 4f323761cc152373f06d4f6393ba3828c33b1be9e726dd2faeee4295be1fc67d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46d51d2b7b0110a50d5904ef243e8bbf4bcf4b5749291eb1d21929b849c70c07
[INFO] running `Command { std: "docker" "start" "-a" "46d51d2b7b0110a50d5904ef243e8bbf4bcf4b5749291eb1d21929b849c70c07", kill_on_drop: false }`
[INFO] [stderr]    Compiling wireguard-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:101:38
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn new(args: &'a Vec<String>) -> Args {
[INFO] [stdout]     |                   --                 ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn new(args: &'a Vec<String>) -> Args<'a> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `wireguard-proxy` (bin "wireguard-proxy"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/bin/rustc --crate-name wireguard_proxy --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=5a7330b5b2e3e297 -C extra-filename=-a9961bd41a627a8a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "46d51d2b7b0110a50d5904ef243e8bbf4bcf4b5749291eb1d21929b849c70c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d51d2b7b0110a50d5904ef243e8bbf4bcf4b5749291eb1d21929b849c70c07", kill_on_drop: false }`
[INFO] [stdout] 46d51d2b7b0110a50d5904ef243e8bbf4bcf4b5749291eb1d21929b849c70c07