[INFO] cloning repository https://github.com/fnzr/temp_ex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fnzr/temp_ex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnzr%2Ftemp_ex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnzr%2Ftemp_ex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 392a5777b32dbbef7a7cf41b60e0e640c0069571
[INFO] checking fnzr/temp_ex against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnzr%2Ftemp_ex" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fnzr/temp_ex on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fnzr/temp_ex
[INFO] finished tweaking git repo https://github.com/fnzr/temp_ex
[INFO] tweaked toml for git repo https://github.com/fnzr/temp_ex written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fnzr/temp_ex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3e56c8ea04a7f9ad6c99a630e80964d10a0a20ef0990e2fa08925d8f9ee57d8
[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" "c3e56c8ea04a7f9ad6c99a630e80964d10a0a20ef0990e2fa08925d8f9ee57d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e56c8ea04a7f9ad6c99a630e80964d10a0a20ef0990e2fa08925d8f9ee57d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e56c8ea04a7f9ad6c99a630e80964d10a0a20ef0990e2fa08925d8f9ee57d8", kill_on_drop: false }`
[INFO] [stdout] c3e56c8ea04a7f9ad6c99a630e80964d10a0a20ef0990e2fa08925d8f9ee57d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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] f34ab304979cbfb599e1ae2ccc16f18558be97920f8bb62b9570b305ba2fa9ba
[INFO] running `Command { std: "docker" "start" "-a" "f34ab304979cbfb599e1ae2ccc16f18558be97920f8bb62b9570b305ba2fa9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking patryk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn from_bytes_2(bytes: &mut [u8]) {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn from_bytes_2(bytes: &mut [u8]) {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from_bytes_2`
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn from_bytes_2(bytes: &mut [u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from_bytes_2`
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn from_bytes_2(bytes: &mut [u8]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `Command { std: "docker" "inspect" "f34ab304979cbfb599e1ae2ccc16f18558be97920f8bb62b9570b305ba2fa9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34ab304979cbfb599e1ae2ccc16f18558be97920f8bb62b9570b305ba2fa9ba", kill_on_drop: false }`
[INFO] [stdout] f34ab304979cbfb599e1ae2ccc16f18558be97920f8bb62b9570b305ba2fa9ba