[INFO] fetching crate tagscript 0.1.2...
[INFO] checking tagscript-0.1.2 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate tagscript 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tagscript 0.1.2 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tagscript 0.1.2
[INFO] finished tweaking crates.io crate tagscript 0.1.2
[INFO] tweaked toml for crates.io crate tagscript 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding nom v1.2.4 (available: v7.1.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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 meval v0.2.0
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d3f1bb6d4eadad79bfe4c0b8d025514f85d323b38cdf47e0badb5913343fad2
[INFO] running `Command { std: "docker" "start" "-a" "4d3f1bb6d4eadad79bfe4c0b8d025514f85d323b38cdf47e0badb5913343fad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3f1bb6d4eadad79bfe4c0b8d025514f85d323b38cdf47e0badb5913343fad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3f1bb6d4eadad79bfe4c0b8d025514f85d323b38cdf47e0badb5913343fad2", kill_on_drop: false }`
[INFO] [stdout] 4d3f1bb6d4eadad79bfe4c0b8d025514f85d323b38cdf47e0badb5913343fad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24be7379b6dac3d2f4f52ec67397fa8acb1fc8c1e54a0fffa6766bdc319847af
[INFO] running `Command { std: "docker" "start" "-a" "24be7379b6dac3d2f4f52ec67397fa8acb1fc8c1e54a0fffa6766bdc319847af", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking tagscript v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut node = &mut node_ordered_list[i];
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut node = &mut node_ordered_list[i];
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.2.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "24be7379b6dac3d2f4f52ec67397fa8acb1fc8c1e54a0fffa6766bdc319847af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24be7379b6dac3d2f4f52ec67397fa8acb1fc8c1e54a0fffa6766bdc319847af", kill_on_drop: false }`
[INFO] [stdout] 24be7379b6dac3d2f4f52ec67397fa8acb1fc8c1e54a0fffa6766bdc319847af