[INFO] fetching crate neweden 0.1.2...
[INFO] testing neweden-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate neweden 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate neweden 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neweden 0.1.2
[INFO] finished tweaking crates.io crate neweden 0.1.2
[INFO] tweaked toml for crates.io crate neweden 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caa9a29c8b23db9691a81a7135661a213719332d79a64a04fe8bc3f79110d7aa
[INFO] running `Command { std: "docker" "start" "-a" "caa9a29c8b23db9691a81a7135661a213719332d79a64a04fe8bc3f79110d7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa9a29c8b23db9691a81a7135661a213719332d79a64a04fe8bc3f79110d7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa9a29c8b23db9691a81a7135661a213719332d79a64a04fe8bc3f79110d7aa", kill_on_drop: false }`
[INFO] [stdout] caa9a29c8b23db9691a81a7135661a213719332d79a64a04fe8bc3f79110d7aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b677c151a71b08ece4ba0507b0c69f175247d9f3e3939ab3f6bd9078c3db9c
[INFO] running `Command { std: "docker" "start" "-a" "57b677c151a71b08ece4ba0507b0c69f175247d9f3e3939ab3f6bd9078c3db9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling pdqselect v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling rstar v0.7.1
[INFO] [stderr]    Compiling pathfinding v2.2.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling neweden v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "57b677c151a71b08ece4ba0507b0c69f175247d9f3e3939ab3f6bd9078c3db9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b677c151a71b08ece4ba0507b0c69f175247d9f3e3939ab3f6bd9078c3db9c", kill_on_drop: false }`
[INFO] [stdout] 57b677c151a71b08ece4ba0507b0c69f175247d9f3e3939ab3f6bd9078c3db9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c5e58a37a39ceecd332860dff214f074a023f2f7f8fe1c2a30ca34b26571b3a
[INFO] running `Command { std: "docker" "start" "-a" "8c5e58a37a39ceecd332860dff214f074a023f2f7f8fe1c2a30ca34b26571b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling neweden v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(test, 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 `neweden` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8c5e58a37a39ceecd332860dff214f074a023f2f7f8fe1c2a30ca34b26571b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5e58a37a39ceecd332860dff214f074a023f2f7f8fe1c2a30ca34b26571b3a", kill_on_drop: false }`
[INFO] [stdout] 8c5e58a37a39ceecd332860dff214f074a023f2f7f8fe1c2a30ca34b26571b3a