[INFO] fetching crate QvQ 0.1.0...
[INFO] checking QvQ-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate QvQ 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate QvQ 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate QvQ 0.1.0
[INFO] finished tweaking crates.io crate QvQ 0.1.0
[INFO] tweaked toml for crates.io crate QvQ 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate QvQ 0.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `QvQ`
[INFO] [stderr]   * `bin` target `QvQ`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded smallvec v1.11.2
[INFO] [stderr]   Downloaded smawk v0.3.2
[INFO] [stderr]   Downloaded ferris-says v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88e0c0dbdee0ddab5a124b812aeaac9c0597ff7d2e5c8595195b847f8c91ef99
[INFO] running `Command { std: "docker" "start" "-a" "88e0c0dbdee0ddab5a124b812aeaac9c0597ff7d2e5c8595195b847f8c91ef99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88e0c0dbdee0ddab5a124b812aeaac9c0597ff7d2e5c8595195b847f8c91ef99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e0c0dbdee0ddab5a124b812aeaac9c0597ff7d2e5c8595195b847f8c91ef99", kill_on_drop: false }`
[INFO] [stdout] 88e0c0dbdee0ddab5a124b812aeaac9c0597ff7d2e5c8595195b847f8c91ef99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d258f8d0fd9b1f14a8a34ac4ed2f6b27b7fc579be01ec7ee0f4c2951c0847cff
[INFO] running `Command { std: "docker" "start" "-a" "d258f8d0fd9b1f14a8a34ac4ed2f6b27b7fc579be01ec7ee0f4c2951c0847cff", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `QvQ`
[INFO] [stderr]   * `bin` target `QvQ`
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking ferris-says v0.3.1
[INFO] [stderr]     Checking QvQ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `QvQ` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `qv_q`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d258f8d0fd9b1f14a8a34ac4ed2f6b27b7fc579be01ec7ee0f4c2951c0847cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d258f8d0fd9b1f14a8a34ac4ed2f6b27b7fc579be01ec7ee0f4c2951c0847cff", kill_on_drop: false }`
[INFO] [stdout] d258f8d0fd9b1f14a8a34ac4ed2f6b27b7fc579be01ec7ee0f4c2951c0847cff