[INFO] cloning repository https://github.com/FredericaBernkastel/gallery-of-babel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredericaBernkastel/gallery-of-babel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericaBernkastel%2Fgallery-of-babel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericaBernkastel%2Fgallery-of-babel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01cf8fb62744c6bdd663540749276eac001b6b24
[INFO] testing FredericaBernkastel/gallery-of-babel against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericaBernkastel%2Fgallery-of-babel" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FredericaBernkastel/gallery-of-babel on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FredericaBernkastel/gallery-of-babel
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/FredericaBernkastel/gallery-of-babel
[INFO] tweaked toml for git repo https://github.com/FredericaBernkastel/gallery-of-babel written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open v1.7.1
[INFO] [stderr]   Downloaded euclid v0.22.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] e82bf3fc9ad8fb3647531ebb13066146cabdceca9ee1b5dc5ba834be01e57439
[INFO] running `Command { std: "docker" "start" "-a" "e82bf3fc9ad8fb3647531ebb13066146cabdceca9ee1b5dc5ba834be01e57439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e82bf3fc9ad8fb3647531ebb13066146cabdceca9ee1b5dc5ba834be01e57439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82bf3fc9ad8fb3647531ebb13066146cabdceca9ee1b5dc5ba834be01e57439", kill_on_drop: false }`
[INFO] [stdout] e82bf3fc9ad8fb3647531ebb13066146cabdceca9ee1b5dc5ba834be01e57439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 4c9851766150797203d128d305cd29f857945d75c6373a1e7918e3e8978b63b7
[INFO] running `Command { std: "docker" "start" "-a" "4c9851766150797203d128d305cd29f857945d75c6373a1e7918e3e8978b63b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling euclid v0.22.7
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling space-filling v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `Command { std: "docker" "inspect" "4c9851766150797203d128d305cd29f857945d75c6373a1e7918e3e8978b63b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9851766150797203d128d305cd29f857945d75c6373a1e7918e3e8978b63b7", kill_on_drop: false }`
[INFO] [stdout] 4c9851766150797203d128d305cd29f857945d75c6373a1e7918e3e8978b63b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] b1784e499900c58626456f971e3b77d093354fdc43d6ef2d826354ab4783b01b
[INFO] running `Command { std: "docker" "start" "-a" "b1784e499900c58626456f971e3b77d093354fdc43d6ef2d826354ab4783b01b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pathdiff v0.2.1
[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 3.67s
[INFO] running `Command { std: "docker" "inspect" "b1784e499900c58626456f971e3b77d093354fdc43d6ef2d826354ab4783b01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1784e499900c58626456f971e3b77d093354fdc43d6ef2d826354ab4783b01b", kill_on_drop: false }`
[INFO] [stdout] b1784e499900c58626456f971e3b77d093354fdc43d6ef2d826354ab4783b01b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c0e085d386c238e86e14031cf5f01cd4f3bdd8478d904ff729163a1d6ece393
[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" "8c0e085d386c238e86e14031cf5f01cd4f3bdd8478d904ff729163a1d6ece393", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/space_filling-4ee983984ed58996)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests space_filling
[INFO] [stdout] running 0 tests
[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] error[E0554]: `#![feature]` may not be used on the stable 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" "8c0e085d386c238e86e14031cf5f01cd4f3bdd8478d904ff729163a1d6ece393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0e085d386c238e86e14031cf5f01cd4f3bdd8478d904ff729163a1d6ece393", kill_on_drop: false }`
[INFO] [stdout] 8c0e085d386c238e86e14031cf5f01cd4f3bdd8478d904ff729163a1d6ece393