[INFO] fetching crate mossfets-game-of-life 0.7.0...
[INFO] testing mossfets-game-of-life-0.7.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate mossfets-game-of-life 0.7.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mossfets-game-of-life 0.7.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mossfets-game-of-life 0.7.0
[INFO] finished tweaking crates.io crate mossfets-game-of-life 0.7.0
[INFO] tweaked toml for crates.io crate mossfets-game-of-life 0.7.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf612b3871db7a5fc5e30722ff1c5e597131f25f7b2b80d4d6333cf48c24d3c4
[INFO] running `Command { std: "docker" "start" "-a" "cf612b3871db7a5fc5e30722ff1c5e597131f25f7b2b80d4d6333cf48c24d3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf612b3871db7a5fc5e30722ff1c5e597131f25f7b2b80d4d6333cf48c24d3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf612b3871db7a5fc5e30722ff1c5e597131f25f7b2b80d4d6333cf48c24d3c4", kill_on_drop: false }`
[INFO] [stdout] cf612b3871db7a5fc5e30722ff1c5e597131f25f7b2b80d4d6333cf48c24d3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4345f86d5c116cd67b0bee93a04af060f43e8728e70f910fa1cfedf36970e13d
[INFO] running `Command { std: "docker" "start" "-a" "4345f86d5c116cd67b0bee93a04af060f43e8728e70f910fa1cfedf36970e13d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling mossfets-game-of-life v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mossfets-game-of-life` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4345f86d5c116cd67b0bee93a04af060f43e8728e70f910fa1cfedf36970e13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4345f86d5c116cd67b0bee93a04af060f43e8728e70f910fa1cfedf36970e13d", kill_on_drop: false }`
[INFO] [stdout] 4345f86d5c116cd67b0bee93a04af060f43e8728e70f910fa1cfedf36970e13d
