[INFO] fetching crate space-filling 0.3.1...
[INFO] testing space-filling-0.3.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate space-filling 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate space-filling 0.3.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate space-filling 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate space-filling 0.3.1
[INFO] tweaked toml for crates.io crate space-filling 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate space-filling 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded any_ascii v0.1.7
[INFO] [stderr]   Downloaded lexical-sort v0.3.1
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47582b1a209f20bb1f8d470231069461700747d742370ac8c8e067a1eef67e39
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47582b1a209f20bb1f8d470231069461700747d742370ac8c8e067a1eef67e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47582b1a209f20bb1f8d470231069461700747d742370ac8c8e067a1eef67e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47582b1a209f20bb1f8d470231069461700747d742370ac8c8e067a1eef67e39", kill_on_drop: false }`
[INFO] [stdout] 47582b1a209f20bb1f8d470231069461700747d742370ac8c8e067a1eef67e39
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53cd7e5698f08a87486db0e8ea58f6d04558f586994c815c237eff28030e01b4
[INFO] running `Command { std: "docker" "start" "-a" "53cd7e5698f08a87486db0e8ea58f6d04558f586994c815c237eff28030e01b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling space-filling v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "53cd7e5698f08a87486db0e8ea58f6d04558f586994c815c237eff28030e01b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53cd7e5698f08a87486db0e8ea58f6d04558f586994c815c237eff28030e01b4", kill_on_drop: false }`
[INFO] [stdout] 53cd7e5698f08a87486db0e8ea58f6d04558f586994c815c237eff28030e01b4
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe97f008431ae10bd638b36d1aabc2d02ea0ac7dd0b2f9611817e7dfcb7d6994
[INFO] running `Command { std: "docker" "start" "-a" "fe97f008431ae10bd638b36d1aabc2d02ea0ac7dd0b2f9611817e7dfcb7d6994", kill_on_drop: false }`
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling any_ascii v0.1.7
[INFO] [stderr]    Compiling open v1.7.1
[INFO] [stderr]    Compiling lexical-sort v0.3.1
[INFO] [stderr]    Compiling space-filling v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "fe97f008431ae10bd638b36d1aabc2d02ea0ac7dd0b2f9611817e7dfcb7d6994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe97f008431ae10bd638b36d1aabc2d02ea0ac7dd0b2f9611817e7dfcb7d6994", kill_on_drop: false }`
[INFO] [stdout] fe97f008431ae10bd638b36d1aabc2d02ea0ac7dd0b2f9611817e7dfcb7d6994
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 711f413ddb6cffeb3127f559c538e5d5331931babb3803bb9221506286afb27d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "711f413ddb6cffeb3127f559c538e5d5331931babb3803bb9221506286afb27d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/space_filling-7cf51fc4f1c02680)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests space_filling
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:141:18
[INFO] [stderr]     |
[INFO] [stderr] 141 | #![cfg_attr(doc, feature(doc_cfg))]
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "711f413ddb6cffeb3127f559c538e5d5331931babb3803bb9221506286afb27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711f413ddb6cffeb3127f559c538e5d5331931babb3803bb9221506286afb27d", kill_on_drop: false }`
[INFO] [stdout] 711f413ddb6cffeb3127f559c538e5d5331931babb3803bb9221506286afb27d