[INFO] fetching crate hexga_core 0.0.11-beta.56...
[INFO] testing hexga_core-0.0.11-beta.56 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate hexga_core 0.0.11-beta.56 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate hexga_core 0.0.11-beta.56
[INFO] finished tweaking crates.io crate hexga_core 0.0.11-beta.56
[INFO] tweaked toml for crates.io crate hexga_core 0.0.11-beta.56 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hexga_core 0.0.11-beta.56 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 hexga_core 0.0.11-beta.56 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] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | homepage = "https://github.com/Thomas-Mewily/hexga"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 | repository = "https://github.com/Thomas-Mewily/hexga"
[INFO] [stderr]    |              ----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `hexga_core` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696
[INFO] running `Command { std: "docker" "start" "9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696", 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" "9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696" "/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" "9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696", 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" "9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | homepage = "https://github.com/Thomas-Mewily/hexga"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 | repository = "https://github.com/Thomas-Mewily/hexga"
[INFO] [stderr]    |              ----------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `hexga_core` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling hexga_map_on v0.0.11-beta.56
[INFO] [stderr]    Compiling hexga_guard v0.0.11-beta.56
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hexga_guard-0.0.11-beta.56/src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "std", feature(mapped_lock_guards))]
[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 `hexga_guard` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696", kill_on_drop: false }`
[INFO] [stdout] 9641077cc9259dcad3e03364b84a1e4edbdb8b02e2884f4e1350516b1a448696
