[INFO] cloning repository https://github.com/WINSDK/rustdump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WINSDK/rustdump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWINSDK%2Frustdump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWINSDK%2Frustdump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d168f16110c4e8f7e02eadb304b8e845cce999f7
[INFO] testing WINSDK/rustdump against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWINSDK%2Frustdump" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WINSDK/rustdump on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/WINSDK/rustdump
[INFO] finished tweaking git repo https://github.com/WINSDK/rustdump
[INFO] tweaked toml for git repo https://github.com/WINSDK/rustdump written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/WINSDK/rustdump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded phf_macros v0.10.0
[INFO] [stderr]   Downloaded goblin v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47ff1a739b193c54d5e72d18cd1d7b15e7731301e12767cf9b0fc5dd3dbab142
[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" "47ff1a739b193c54d5e72d18cd1d7b15e7731301e12767cf9b0fc5dd3dbab142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ff1a739b193c54d5e72d18cd1d7b15e7731301e12767cf9b0fc5dd3dbab142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ff1a739b193c54d5e72d18cd1d7b15e7731301e12767cf9b0fc5dd3dbab142", kill_on_drop: false }`
[INFO] [stdout] 47ff1a739b193c54d5e72d18cd1d7b15e7731301e12767cf9b0fc5dd3dbab142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1474d8a3be060b8caa69dc358081d2ef3b0ca096d5c03f336d20a956e2382e77
[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" "1474d8a3be060b8caa69dc358081d2ef3b0ca096d5c03f336d20a956e2382e77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling goblin v0.4.3
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling rustdump v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `iter`
[INFO] [stdout]   --> src/decode/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter<'a>(&'a self) -> std::slice::Iter<'a, T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter_mut`
[INFO] [stdout]   --> src/decode/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn iter_mut<'a>(&'a mut self) -> std::slice::IterMut<'a, T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefixes`
[INFO] [stdout]   --> src/decode/x86_64.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     prefixes: Array<Prefix, 4>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/decode/x86_64.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bytes`
[INFO] [stdout]   --> src/decode/x86_64.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     bytes: Array<u8, 11>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/decode/x86_64.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `repr`
[INFO] [stdout]   --> src/decode/x86_64.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     repr: X86InstructionsLookup,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/decode/x86_64.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bool_to_option)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustdump` due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1474d8a3be060b8caa69dc358081d2ef3b0ca096d5c03f336d20a956e2382e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1474d8a3be060b8caa69dc358081d2ef3b0ca096d5c03f336d20a956e2382e77", kill_on_drop: false }`
[INFO] [stdout] 1474d8a3be060b8caa69dc358081d2ef3b0ca096d5c03f336d20a956e2382e77