[INFO] updating cached repository https://github.com/beoboo/ruscheme
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a4c2c5374c0fa4139b9b555f1a3e4e443f7a3cd4
[INFO] checking beoboo/ruscheme against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fruscheme" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beoboo/ruscheme on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/beoboo/ruscheme
[INFO] finished tweaking git repo https://github.com/beoboo/ruscheme
[INFO] tweaked toml for git repo https://github.com/beoboo/ruscheme written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/beoboo/ruscheme already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 544b91113609e8a20f4a1b607c7a3764121117c7ef809215e8f73d72da99832f
[INFO] running `"docker" "start" "-a" "544b91113609e8a20f4a1b607c7a3764121117c7ef809215e8f73d72da99832f"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking crossterm v0.12.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking hamcrest2 v0.2.6
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking ruscheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `log::debug`
[INFO] [stderr]  --> src/compiler.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use log::debug;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/printer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Printer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/printer.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn print(&self, tokens: Vec<Token>) -> Result<String, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_eof`
[INFO] [stderr]   --> src/token.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn is_eof(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.43s
[INFO] running `"docker" "inspect" "544b91113609e8a20f4a1b607c7a3764121117c7ef809215e8f73d72da99832f"`
[INFO] running `"docker" "rm" "-f" "544b91113609e8a20f4a1b607c7a3764121117c7ef809215e8f73d72da99832f"`
[INFO] [stdout] 544b91113609e8a20f4a1b607c7a3764121117c7ef809215e8f73d72da99832f