[INFO] cloning repository https://github.com/shadowgabriel/xor_encoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadowgabriel/xor_encoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowgabriel%2Fxor_encoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowgabriel%2Fxor_encoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 122a94f41556bdde01e66298f64c2e310764b123
[INFO] testing shadowgabriel/xor_encoder against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowgabriel%2Fxor_encoder" "/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/shadowgabriel/xor_encoder on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shadowgabriel/xor_encoder
[INFO] finished tweaking git repo https://github.com/shadowgabriel/xor_encoder
[INFO] tweaked toml for git repo https://github.com/shadowgabriel/xor_encoder written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/shadowgabriel/xor_encoder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07526063b00d5038a00930b3db183cd1aa7060a43971e3e1695b6e999c46bb1
[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" "a07526063b00d5038a00930b3db183cd1aa7060a43971e3e1695b6e999c46bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07526063b00d5038a00930b3db183cd1aa7060a43971e3e1695b6e999c46bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07526063b00d5038a00930b3db183cd1aa7060a43971e3e1695b6e999c46bb1", kill_on_drop: false }`
[INFO] [stdout] a07526063b00d5038a00930b3db183cd1aa7060a43971e3e1695b6e999c46bb1
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 965fb13ae1883fbdcdc36aa4ce0aa8ef683e11ff3a1a2114c857c75d6c3ab317
[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" "965fb13ae1883fbdcdc36aa4ce0aa8ef683e11ff3a1a2114c857c75d6c3ab317", kill_on_drop: false }`
[INFO] [stderr]    Compiling xor_encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `AtomicBool`
[INFO] [stdout]   --> src/xor.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let bol = Arc::new(AtomicBool::new(false));
[INFO] [stdout]    |                            ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::xorencoding::atomic::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tx` in this scope
[INFO] [stdout]   --> src/xor.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             tx.send(status).unwrap();
[INFO] [stdout]    |             ^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xor_encoder` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "965fb13ae1883fbdcdc36aa4ce0aa8ef683e11ff3a1a2114c857c75d6c3ab317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965fb13ae1883fbdcdc36aa4ce0aa8ef683e11ff3a1a2114c857c75d6c3ab317", kill_on_drop: false }`
[INFO] [stdout] 965fb13ae1883fbdcdc36aa4ce0aa8ef683e11ff3a1a2114c857c75d6c3ab317