[INFO] fetching crate secretmangle 0.3.0...
[INFO] testing secretmangle-0.3.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate secretmangle 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate secretmangle 0.3.0
[INFO] finished tweaking crates.io crate secretmangle 0.3.0
[INFO] tweaked toml for crates.io crate secretmangle 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate secretmangle 0.3.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate secretmangle 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4
[INFO] running `Command { std: "docker" "start" "e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling secretmangle v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_as_bytes, box_vec_non_null, new_zeroed_alloc, box_as_ptr)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `box_as_ptr` has been stable since 1.98.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:71
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_as_bytes, box_vec_non_null, new_zeroed_alloc, box_as_ptr)]
[INFO] [stdout]   |                                                                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `box_vec_non_null` has been stable since 1.99.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_as_bytes, box_vec_non_null, new_zeroed_alloc, box_as_ptr)]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_zeroed_alloc` has been stable since 1.92.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(maybe_uninit_as_bytes, box_vec_non_null, new_zeroed_alloc, box_as_ptr)]
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `secretmangle` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4", kill_on_drop: false }`
[INFO] [stdout] e38f6f987d2fa07866b2b094a15af71248f6056bba8e781abad68bab3c7e68f4
