[INFO] cloning repository https://github.com/willemml/rcas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willemml/rcas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemml%2Frcas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemml%2Frcas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ee4c0ee345a6dd51fcb24cd093c6f441459eecb
[INFO] checking willemml/rcas against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemml%2Frcas" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/willemml/rcas
[INFO] finished tweaking git repo https://github.com/willemml/rcas
[INFO] tweaked toml for git repo https://github.com/willemml/rcas written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/willemml/rcas on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/willemml/rcas 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.11
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded heapless v0.7.16
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2501c9512dcb63e54fc3c4688f8430102d4b822091165be16181f26bc36f39
[INFO] running `Command { std: "docker" "start" "-a" "fa2501c9512dcb63e54fc3c4688f8430102d4b822091165be16181f26bc36f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2501c9512dcb63e54fc3c4688f8430102d4b822091165be16181f26bc36f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2501c9512dcb63e54fc3c4688f8430102d4b822091165be16181f26bc36f39", kill_on_drop: false }`
[INFO] [stdout] fa2501c9512dcb63e54fc3c4688f8430102d4b822091165be16181f26bc36f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba0e0cc7aa4d1d3d79003a42ce971a1e7ec4593bf5d75bf749e26c29c424da4
[INFO] running `Command { std: "docker" "start" "-a" "6ba0e0cc7aa4d1d3d79003a42ce971a1e7ec4593bf5d75bf749e26c29c424da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking citrus-cas v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> src/expression/latex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `boxed::Box`, `string::ToString`, and `vec`
[INFO] [stdout]    --> src/expression/latex.rs:411:17
[INFO] [stdout]     |
[INFO] [stdout] 411 |     use alloc::{boxed::Box, string::ToString, vec};
[INFO] [stdout]     |                 ^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Atom`, `Escape`, `Expression`, and `Numeric`
[INFO] [stdout]    --> src/expression/latex.rs:413:46
[INFO] [stdout]     |
[INFO] [stdout] 413 |     use crate::expression::expression_tree::{Atom, Escape, Expression, Numeric};
[INFO] [stdout]     |                                              ^^^^  ^^^^^^  ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `latexify` and `parse`
[INFO] [stdout]    --> src/expression/latex.rs:415:17
[INFO] [stdout]     |
[INFO] [stdout] 415 |     use super::{latexify, parse};
[INFO] [stdout]     |                 ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::vec`
[INFO] [stdout]  --> src/expression/latex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "6ba0e0cc7aa4d1d3d79003a42ce971a1e7ec4593bf5d75bf749e26c29c424da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba0e0cc7aa4d1d3d79003a42ce971a1e7ec4593bf5d75bf749e26c29c424da4", kill_on_drop: false }`
[INFO] [stdout] 6ba0e0cc7aa4d1d3d79003a42ce971a1e7ec4593bf5d75bf749e26c29c424da4
