[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 try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasVannStruth%2Ftelmac-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukasVannStruth/telmac-rs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b71725e482fbe1b265b18ae176509ebb92fb3cf26352c90951fc1fd9049c9de
[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" "4b71725e482fbe1b265b18ae176509ebb92fb3cf26352c90951fc1fd9049c9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b71725e482fbe1b265b18ae176509ebb92fb3cf26352c90951fc1fd9049c9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b71725e482fbe1b265b18ae176509ebb92fb3cf26352c90951fc1fd9049c9de", kill_on_drop: false }`
[INFO] [stdout] 4b71725e482fbe1b265b18ae176509ebb92fb3cf26352c90951fc1fd9049c9de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c9a3c3081e3097da714f17b85ae381b6a4a83186d894e383145c239bf93a7e
[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" "76c9a3c3081e3097da714f17b85ae381b6a4a83186d894e383145c239bf93a7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "76c9a3c3081e3097da714f17b85ae381b6a4a83186d894e383145c239bf93a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c9a3c3081e3097da714f17b85ae381b6a4a83186d894e383145c239bf93a7e", kill_on_drop: false }`
[INFO] [stdout] 76c9a3c3081e3097da714f17b85ae381b6a4a83186d894e383145c239bf93a7e