[INFO] cloning repository https://github.com/Abhinavbhar/cdn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abhinavbhar/cdn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavbhar%2Fcdn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavbhar%2Fcdn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04e83b68184151f80da423b67319a0f055b30dba
[INFO] checking Abhinavbhar/cdn_rust against master#733108b6d4acaa93fe26ae281ea305aacd6aac4e for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavbhar%2Fcdn_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Abhinavbhar/cdn_rust
[INFO] finished tweaking git repo https://github.com/Abhinavbhar/cdn_rust
[INFO] tweaked toml for git repo https://github.com/Abhinavbhar/cdn_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abhinavbhar/cdn_rust on toolchain 733108b6d4acaa93fe26ae281ea305aacd6aac4e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Abhinavbhar/cdn_rust 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" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bff473ce89604139b14e60573466bd44dd8e88f4115c3238d75fb62a20551fe9
[INFO] running `Command { std: "docker" "start" "-a" "bff473ce89604139b14e60573466bd44dd8e88f4115c3238d75fb62a20551fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff473ce89604139b14e60573466bd44dd8e88f4115c3238d75fb62a20551fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff473ce89604139b14e60573466bd44dd8e88f4115c3238d75fb62a20551fe9", kill_on_drop: false }`
[INFO] [stdout] bff473ce89604139b14e60573466bd44dd8e88f4115c3238d75fb62a20551fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+733108b6d4acaa93fe26ae281ea305aacd6aac4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8a56ca534b18045f1d35002b587a4ba9713eea1553a643f1d33bb815d7789d
[INFO] running `Command { std: "docker" "start" "-a" "eb8a56ca534b18045f1d35002b587a4ba9713eea1553a643f1d33bb815d7789d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking epoll_echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut ep = Epoll::new(nix::sys::epoll::EpollCreateFlags::empty()).unwrap();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut ep = Epoll::new(nix::sys::epoll::EpollCreateFlags::empty()).unwrap();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "eb8a56ca534b18045f1d35002b587a4ba9713eea1553a643f1d33bb815d7789d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8a56ca534b18045f1d35002b587a4ba9713eea1553a643f1d33bb815d7789d", kill_on_drop: false }`
[INFO] [stdout] eb8a56ca534b18045f1d35002b587a4ba9713eea1553a643f1d33bb815d7789d
