[INFO] updating cached repository https://github.com/MarkusAkesson/rcc
[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] cb16346f5b7e28e1f0ac968411a6085eb73fa463
[INFO] checking MarkusAkesson/rcc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusAkesson%2Frcc" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarkusAkesson/rcc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MarkusAkesson/rcc
[INFO] finished tweaking git repo https://github.com/MarkusAkesson/rcc
[INFO] tweaked toml for git repo https://github.com/MarkusAkesson/rcc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MarkusAkesson/rcc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] d975cc8a31c7b41471f804824517f2f7fe8ff3b7e1cce111f825c4a96e05a41d
[INFO] running `"docker" "start" "-a" "d975cc8a31c7b41471f804824517f2f7fe8ff3b7e1cce111f825c4a96e05a41d"`
[INFO] [stderr]     Checking rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/tokens.rs:237:21
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn tokenize(file: &str, input: &str) -> Self {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/tokens.rs:237:33
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn tokenize(file: &str, input: &str) -> Self {
[INFO] [stderr]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `row`
[INFO] [stderr]  --> src/tokens.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     row: usize, // Row from which the token originates
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `col`
[INFO] [stderr]  --> src/tokens.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     col: usize, // Col from which the token originates
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]    --> src/tokens.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 |     tokens: Vec<Token>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input`
[INFO] [stderr]    --> src/tokens.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     input: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pos`
[INFO] [stderr]    --> src/tokens.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pos: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/tokens.rs:237:21
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn tokenize(file: &str, input: &str) -> Self {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/tokens.rs:237:33
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn tokenize(file: &str, input: &str) -> Self {
[INFO] [stderr]     |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `row`
[INFO] [stderr]  --> src/tokens.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     row: usize, // Row from which the token originates
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `col`
[INFO] [stderr]  --> src/tokens.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     col: usize, // Col from which the token originates
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]    --> src/tokens.rs:231:5
[INFO] [stderr]     |
[INFO] [stderr] 231 |     tokens: Vec<Token>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input`
[INFO] [stderr]    --> src/tokens.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     input: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pos`
[INFO] [stderr]    --> src/tokens.rs:233:5
[INFO] [stderr]     |
[INFO] [stderr] 233 |     pos: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "d975cc8a31c7b41471f804824517f2f7fe8ff3b7e1cce111f825c4a96e05a41d"`
[INFO] running `"docker" "rm" "-f" "d975cc8a31c7b41471f804824517f2f7fe8ff3b7e1cce111f825c4a96e05a41d"`
[INFO] [stdout] d975cc8a31c7b41471f804824517f2f7fe8ff3b7e1cce111f825c4a96e05a41d