[INFO] cloning repository https://github.com/LukasVannStruth/telmac-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LukasVannStruth/telmac-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasVannStruth%2Ftelmac-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasVannStruth%2Ftelmac-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9025998f6357296fb56f23e0a100137593de90a
[INFO] checking LukasVannStruth/telmac-rs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasVannStruth%2Ftelmac-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukasVannStruth/telmac-rs on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LukasVannStruth/telmac-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e7691f596a767a2a30fceb25e80b10faeeb12b4b37b3d05d74be6e193f29a0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e7691f596a767a2a30fceb25e80b10faeeb12b4b37b3d05d74be6e193f29a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e7691f596a767a2a30fceb25e80b10faeeb12b4b37b3d05d74be6e193f29a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7691f596a767a2a30fceb25e80b10faeeb12b4b37b3d05d74be6e193f29a0e", kill_on_drop: false }`
[INFO] [stdout] 1e7691f596a767a2a30fceb25e80b10faeeb12b4b37b3d05d74be6e193f29a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c994cc365b092961438de86d1d7f41f9dcf9b4e5330d4d2e5229ebc819fe5870
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c994cc365b092961438de86d1d7f41f9dcf9b4e5330d4d2e5229ebc819fe5870", kill_on_drop: false }`
[INFO] [stderr]     Checking telmac_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x_register`
[INFO] [stdout]    --> src/cpu.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let x_register: u8 = (self.opcode >> 8) as u8;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_register`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_register`
[INFO] [stdout]    --> src/cpu.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let y_register: u8 = (self.opcode & 0x00F0) as u8;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_register`
[INFO] [stdout]    --> src/cpu.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let x_register: u8 = (self.opcode >> 8) as u8;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_register`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_register`
[INFO] [stdout]    --> src/cpu.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let y_register: u8 = (self.opcode & 0x00F0) as u8;
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(tool_lints)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `tool_lints` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(tool_lints)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c994cc365b092961438de86d1d7f41f9dcf9b4e5330d4d2e5229ebc819fe5870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c994cc365b092961438de86d1d7f41f9dcf9b4e5330d4d2e5229ebc819fe5870", kill_on_drop: false }`
[INFO] [stdout] c994cc365b092961438de86d1d7f41f9dcf9b4e5330d4d2e5229ebc819fe5870