[INFO] updating cached repository https://github.com/LukasVannStruth/telmac-rs
[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] c9025998f6357296fb56f23e0a100137593de90a
[INFO] checking LukasVannStruth/telmac-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasVannStruth%2Ftelmac-rs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukasVannStruth/telmac-rs 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/LukasVannStruth/telmac-rs
[INFO] finished tweaking git repo https://github.com/LukasVannStruth/telmac-rs
[INFO] tweaked toml for git repo https://github.com/LukasVannStruth/telmac-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/LukasVannStruth/telmac-rs 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2b6687a78e6a6ccc180176ade19f5fef1089b33c28828545e2e82e2d91f20caf
[INFO] running `"docker" "start" "-a" "2b6687a78e6a6ccc180176ade19f5fef1089b33c28828545e2e82e2d91f20caf"`
[INFO] [stderr]     Checking telmac_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x_register`
[INFO] [stderr]    --> src/cpu.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let x_register: u8 = (self.opcode >> 8) as u8;
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_register`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_register`
[INFO] [stderr]    --> src/cpu.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let y_register: u8 = (self.opcode & 0x00F0) as u8;
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_register`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(tool_lints)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_register`
[INFO] [stderr]    --> src/cpu.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let x_register: u8 = (self.opcode >> 8) as u8;
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_register`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_register`
[INFO] [stderr]    --> src/cpu.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let y_register: u8 = (self.opcode & 0x00F0) as u8;
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_register`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(tool_lints)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "2b6687a78e6a6ccc180176ade19f5fef1089b33c28828545e2e82e2d91f20caf"`
[INFO] running `"docker" "rm" "-f" "2b6687a78e6a6ccc180176ade19f5fef1089b33c28828545e2e82e2d91f20caf"`
[INFO] [stdout] 2b6687a78e6a6ccc180176ade19f5fef1089b33c28828545e2e82e2d91f20caf