[INFO] fetching crate dev-tunnels 0.1.0...
[INFO] checking dev-tunnels-0.1.0 against f10db292a3733b5c67c8da8c7661195ff4b05774 for pr-158914
[INFO] extracting crate dev-tunnels 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate dev-tunnels 0.1.0
[INFO] finished tweaking crates.io crate dev-tunnels 0.1.0
[INFO] tweaked toml for crates.io crate dev-tunnels 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dev-tunnels 0.1.0 on toolchain f10db292a3733b5c67c8da8c7661195ff4b05774
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dev-tunnels 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" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b
[INFO] running `Command { std: "docker" "start" "590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b" "/opt/rustwide/cargo-home/bin/cargo" "+f10db292a3733b5c67c8da8c7661195ff4b05774" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking dev-tunnels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/management/http_client.rs:854:13
[INFO] [stdout]     |
[INFO] [stdout] 854 |         let mut builder = super::new_tunnel_management_for_custom_domain(
[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 25.69s
[INFO] running `Command { std: "docker" "inspect" "590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b", kill_on_drop: false }`
[INFO] [stdout] 590722ca7e24d7b1b0d462c0718bf925d40d9f66e439d22554d4a20ca6680a1b
