[INFO] fetching crate dyon 0.49.2...
[INFO] testing dyon-0.49.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dyon 0.49.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate dyon 0.49.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dyon 0.49.2
[INFO] tweaked toml for crates.io crate dyon 0.49.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dyon 0.49.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dyon 0.49.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ff1483a02b7af24d1285b45457f1d548820c5b2411247cf65ba6999c890c6a
[INFO] running `Command { std: "docker" "start" "-a" "c5ff1483a02b7af24d1285b45457f1d548820c5b2411247cf65ba6999c890c6a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 490bfa8cfaa807a94e7cfc2263c5391c1f74c12389100f39a65b4cb4d9d85705
[INFO] running `Command { std: "docker" "start" "-a" "490bfa8cfaa807a94e7cfc2263c5391c1f74c12389100f39a65b4cb4d9d85705", kill_on_drop: false }`
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[INFO] [stderr]    Compiling dyon v0.49.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/runtime/mod.rs:264:51
[INFO] [stdout]     |
[INFO] [stdout] 264 | ...                   let v = match (*arr).get_mut(id as usize) {
[INFO] [stdout]     |                                     ^^---^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       this raw pointer has type `*mut Vec<Variable>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut [Variable]`
[INFO] [stdout]    --> src/runtime/mod.rs:264:51
[INFO] [stdout]     |
[INFO] [stdout] 264 | ...                   let v = match (*arr).get_mut(id as usize) {
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] note: method calls to `get_mut` require a reference
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/mod.rs:597:5
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 264 |                                     let v = match (&mut (*arr)).get_mut(id as usize) {
[INFO] [stdout]     |                                                   +++++       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.97s
[INFO] running `Command { std: "docker" "inspect" "490bfa8cfaa807a94e7cfc2263c5391c1f74c12389100f39a65b4cb4d9d85705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490bfa8cfaa807a94e7cfc2263c5391c1f74c12389100f39a65b4cb4d9d85705", kill_on_drop: false }`
[INFO] [stdout] 490bfa8cfaa807a94e7cfc2263c5391c1f74c12389100f39a65b4cb4d9d85705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a4c951187179a9db6c817bfe006b1f10c1ce29eeb258f2f3d4f1f52069dd63
[INFO] running `Command { std: "docker" "start" "-a" "71a4c951187179a9db6c817bfe006b1f10c1ce29eeb258f2f3d4f1f52069dd63", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyon v0.49.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/runtime/mod.rs:264:51
[INFO] [stdout]     |
[INFO] [stdout] 264 | ...                   let v = match (*arr).get_mut(id as usize) {
[INFO] [stdout]     |                                     ^^---^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       this raw pointer has type `*mut Vec<Variable>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut [Variable]`
[INFO] [stdout]    --> src/runtime/mod.rs:264:51
[INFO] [stdout]     |
[INFO] [stdout] 264 | ...                   let v = match (*arr).get_mut(id as usize) {
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] note: method calls to `get_mut` require a reference
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/mod.rs:597:5
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 264 |                                     let v = match (&mut (*arr)).get_mut(id as usize) {
[INFO] [stdout]     |                                                   +++++       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(test, feature(test))]
[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 `dyon` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "71a4c951187179a9db6c817bfe006b1f10c1ce29eeb258f2f3d4f1f52069dd63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a4c951187179a9db6c817bfe006b1f10c1ce29eeb258f2f3d4f1f52069dd63", kill_on_drop: false }`
[INFO] [stdout] 71a4c951187179a9db6c817bfe006b1f10c1ce29eeb258f2f3d4f1f52069dd63
