[INFO] updating cached repository https://github.com/nordikafiles/rust-samsung-remote
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c830af2ccc61a5fa98709d838a48d9c99d0d606b
[INFO] checking nordikafiles/rust-samsung-remote against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnordikafiles%2Frust-samsung-remote" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nordikafiles/rust-samsung-remote on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nordikafiles/rust-samsung-remote
[INFO] finished tweaking git repo https://github.com/nordikafiles/rust-samsung-remote
[INFO] tweaked toml for git repo https://github.com/nordikafiles/rust-samsung-remote written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nordikafiles/rust-samsung-remote already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a7c0fcd231ccd0433fc2d223a1377942b6557b23bbe381b9a88bb09052ba9c1
[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" "7a7c0fcd231ccd0433fc2d223a1377942b6557b23bbe381b9a88bb09052ba9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7c0fcd231ccd0433fc2d223a1377942b6557b23bbe381b9a88bb09052ba9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7c0fcd231ccd0433fc2d223a1377942b6557b23bbe381b9a88bb09052ba9c1", kill_on_drop: false }`
[INFO] [stdout] 7a7c0fcd231ccd0433fc2d223a1377942b6557b23bbe381b9a88bb09052ba9c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d0ae63171b7d2bca50c81b4a7cbac4149205e722544d3927b4174a637a5e88a
[INFO] running `Command { std: "docker" "start" "-a" "8d0ae63171b7d2bca50c81b4a7cbac4149205e722544d3927b4174a637a5e88a", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking wake-on-lan v0.2.0
[INFO] [stderr]     Checking mqtt-smart-devices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`
[INFO] [stdout]  --> src/samsung_remote.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wake_on_lan` is imported redundantly
[INFO] [stdout]    --> src/samsung_remote.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         use wake_on_lan;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/main.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate wake_on_lan;
[INFO] [stdout]     | ------------------------- the item `wake_on_lan` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`
[INFO] [stdout]  --> src/samsung_remote.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wake_on_lan` is imported redundantly
[INFO] [stdout]    --> src/samsung_remote.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         use wake_on_lan;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/main.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate wake_on_lan;
[INFO] [stdout]     | ------------------------- the item `wake_on_lan` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `macVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let macVec: Vec<u8> = mac.split(":").map(|s| i32::from_str_radix(s, 16).unwrap_or(0) as u8).collect();
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `mac_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         remote.send(&command);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/samsung_remote.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         magic_packet.send();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `macVec` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let macVec: Vec<u8> = mac.split(":").map(|s| i32::from_str_radix(s, 16).unwrap_or(0) as u8).collect();
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `mac_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         remote.send(&command);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/samsung_remote.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         magic_packet.send();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "8d0ae63171b7d2bca50c81b4a7cbac4149205e722544d3927b4174a637a5e88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0ae63171b7d2bca50c81b4a7cbac4149205e722544d3927b4174a637a5e88a", kill_on_drop: false }`
[INFO] [stdout] 8d0ae63171b7d2bca50c81b4a7cbac4149205e722544d3927b4174a637a5e88a