[INFO] fetching crate goscript-parser 0.1.0...
[INFO] checking goscript-parser-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate goscript-parser 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate goscript-parser 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 goscript-parser 0.1.0
[INFO] finished tweaking crates.io crate goscript-parser 0.1.0
[INFO] tweaked toml for crates.io crate goscript-parser 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding slotmap v0.4.3 (latest: v1.0.7)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slotmap v0.4.3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74cf2e96da609ad76a03c1870c856d8991ec9e06dd2e78e0e735e8878e680d63
[INFO] running `Command { std: "docker" "start" "-a" "74cf2e96da609ad76a03c1870c856d8991ec9e06dd2e78e0e735e8878e680d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cf2e96da609ad76a03c1870c856d8991ec9e06dd2e78e0e735e8878e680d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cf2e96da609ad76a03c1870c856d8991ec9e06dd2e78e0e735e8878e680d63", kill_on_drop: false }`
[INFO] [stdout] 74cf2e96da609ad76a03c1870c856d8991ec9e06dd2e78e0e735e8878e680d63
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 128ae30c5db7115050b97a8f88ec7842ea2511891d5b1d3ebe3da85ae1ff3eaf
[INFO] running `Command { std: "docker" "start" "-a" "128ae30c5db7115050b97a8f88ec7842ea2511891d5b1d3ebe3da85ae1ff3eaf", kill_on_drop: false }`
[INFO] [stderr]     Checking slotmap v0.4.3
[INFO] [stderr]     Checking goscript-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/position.rs:197:30
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 return Some(f.borrow());
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `position::File` does not implement `Borrow`, so calling `borrow` on `&position::File` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 197 -                 return Some(f.borrow());
[INFO] [stdout] 197 +                 return Some(f);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `position::File`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 42  + #[derive(Clone)]
[INFO] [stdout] 43  | pub struct File {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/position.rs:197:30
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 return Some(f.borrow());
[INFO] [stdout]     |                              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `position::File` does not implement `Borrow`, so calling `borrow` on `&position::File` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 197 -                 return Some(f.borrow());
[INFO] [stdout] 197 +                 return Some(f);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `position::File`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 42  + #[derive(Clone)]
[INFO] [stdout] 43  | pub struct File {
[INFO] [stdout]     |
[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` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "128ae30c5db7115050b97a8f88ec7842ea2511891d5b1d3ebe3da85ae1ff3eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128ae30c5db7115050b97a8f88ec7842ea2511891d5b1d3ebe3da85ae1ff3eaf", kill_on_drop: false }`
[INFO] [stdout] 128ae30c5db7115050b97a8f88ec7842ea2511891d5b1d3ebe3da85ae1ff3eaf