[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnzr%2Ftemp_ex" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fnzr/temp_ex on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-14/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6d66ac0372b968b760c0d9567057d71c4e8a9be62c3da3611b8c1d130bb098
[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" "3c6d66ac0372b968b760c0d9567057d71c4e8a9be62c3da3611b8c1d130bb098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6d66ac0372b968b760c0d9567057d71c4e8a9be62c3da3611b8c1d130bb098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6d66ac0372b968b760c0d9567057d71c4e8a9be62c3da3611b8c1d130bb098", kill_on_drop: false }`
[INFO] [stdout] 3c6d66ac0372b968b760c0d9567057d71c4e8a9be62c3da3611b8c1d130bb098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34f0095e728160b4e6f9dd0c69b8d76836ae29a1172cb6a6de0f28a27d2301b1
[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" "34f0095e728160b4e6f9dd0c69b8d76836ae29a1172cb6a6de0f28a27d2301b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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: 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: 2 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "34f0095e728160b4e6f9dd0c69b8d76836ae29a1172cb6a6de0f28a27d2301b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f0095e728160b4e6f9dd0c69b8d76836ae29a1172cb6a6de0f28a27d2301b1", kill_on_drop: false }`
[INFO] [stdout] 34f0095e728160b4e6f9dd0c69b8d76836ae29a1172cb6a6de0f28a27d2301b1