[INFO] fetching crate go-parser 0.1.0...
[INFO] checking go-parser-0.1.0 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate go-parser 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate go-parser 0.1.0 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate go-parser 0.1.0
[INFO] finished tweaking crates.io crate go-parser 0.1.0
[INFO] tweaked toml for crates.io crate go-parser 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96bc5a3ef45193881318ce0cd756958df3e3d8286a67c70c203ebaf01a2eba61
[INFO] running `Command { std: "docker" "start" "-a" "96bc5a3ef45193881318ce0cd756958df3e3d8286a67c70c203ebaf01a2eba61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96bc5a3ef45193881318ce0cd756958df3e3d8286a67c70c203ebaf01a2eba61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96bc5a3ef45193881318ce0cd756958df3e3d8286a67c70c203ebaf01a2eba61", kill_on_drop: false }`
[INFO] [stdout] 96bc5a3ef45193881318ce0cd756958df3e3d8286a67c70c203ebaf01a2eba61
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4927f152daa5c52b94abc77d54799748bbfbd581a96bd29258a86705a920819a
[INFO] running `Command { std: "docker" "start" "-a" "4927f152daa5c52b94abc77d54799748bbfbd581a96bd29258a86705a920819a", kill_on_drop: false }`
[INFO] [stderr]     Checking go-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&position::File` instead of borrowing the inner type
[INFO] [stdout]    --> src/position.rs:274:45
[INFO] [stdout]     |
[INFO] [stdout] 274 |             Some(self.fs.files[self.cur - 1].borrow())
[INFO] [stdout]     |                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&position::File` instead of borrowing the inner type
[INFO] [stdout]    --> src/position.rs:274:45
[INFO] [stdout]     |
[INFO] [stdout] 274 |             Some(self.fs.files[self.cur - 1].borrow())
[INFO] [stdout]     |                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4927f152daa5c52b94abc77d54799748bbfbd581a96bd29258a86705a920819a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4927f152daa5c52b94abc77d54799748bbfbd581a96bd29258a86705a920819a", kill_on_drop: false }`
[INFO] [stdout] 4927f152daa5c52b94abc77d54799748bbfbd581a96bd29258a86705a920819a