[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 beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericaBernkastel%2Fgallery-of-babel" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FredericaBernkastel/gallery-of-babel on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-3-tc2/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" "+beta-2023-04-20" "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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bc4aafeb5fabfd946f8b0f4a6721ba2aee413e4ac82ff0f41496ddbbd6c2d82
[INFO] running `Command { std: "docker" "start" "-a" "4bc4aafeb5fabfd946f8b0f4a6721ba2aee413e4ac82ff0f41496ddbbd6c2d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc4aafeb5fabfd946f8b0f4a6721ba2aee413e4ac82ff0f41496ddbbd6c2d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc4aafeb5fabfd946f8b0f4a6721ba2aee413e4ac82ff0f41496ddbbd6c2d82", kill_on_drop: false }`
[INFO] [stdout] 4bc4aafeb5fabfd946f8b0f4a6721ba2aee413e4ac82ff0f41496ddbbd6c2d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 107681306fb995c21555dcefc12cc201e125ae182ce8fc5f3a5b7d7bbe3c3afe
[INFO] running `Command { std: "docker" "start" "-a" "107681306fb995c21555dcefc12cc201e125ae182ce8fc5f3a5b7d7bbe3c3afe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling euclid v0.22.9
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling space-filling v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "107681306fb995c21555dcefc12cc201e125ae182ce8fc5f3a5b7d7bbe3c3afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107681306fb995c21555dcefc12cc201e125ae182ce8fc5f3a5b7d7bbe3c3afe", kill_on_drop: false }`
[INFO] [stdout] 107681306fb995c21555dcefc12cc201e125ae182ce8fc5f3a5b7d7bbe3c3afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32127c0ab534602a2947a4827a12b4b9494c809f16d1959a57ffd25a8659ccc8
[INFO] running `Command { std: "docker" "start" "-a" "32127c0ab534602a2947a4827a12b4b9494c809f16d1959a57ffd25a8659ccc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling any_ascii v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling open v1.7.1
[INFO] [stderr]    Compiling lexical-sort v0.3.1
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling space-filling v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "32127c0ab534602a2947a4827a12b4b9494c809f16d1959a57ffd25a8659ccc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32127c0ab534602a2947a4827a12b4b9494c809f16d1959a57ffd25a8659ccc8", kill_on_drop: false }`
[INFO] [stdout] 32127c0ab534602a2947a4827a12b4b9494c809f16d1959a57ffd25a8659ccc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36c055a37124d05c01bfdaf90beec6f1c4d04042227992def7b80be123e798e4
[INFO] running `Command { std: "docker" "start" "-a" "36c055a37124d05c01bfdaf90beec6f1c4d04042227992def7b80be123e798e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/space_filling-e6c2b232f1da1e24)
[INFO] [stdout] 
[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]    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: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name space_filling --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-538fda28ed677777.rlib --extern euclid=/opt/rustwide/target/debug/deps/libeuclid-272011faef230afd.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-43d0f26167745a6a.rlib --extern lexical_sort=/opt/rustwide/target/debug/deps/liblexical_sort-524a23971b1c6613.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-20b15c62e5e0e397.rlib --extern open=/opt/rustwide/target/debug/deps/libopen-c846e4d668de0d26.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-c82817310abe5ed6.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-28f2e8cb8dd40750.rlib --extern space_filling=/opt/rustwide/target/debug/deps/libspace_filling-0ec3a983efbd7c4e.rlib --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-50b41b13a2554219.rlib -C embed-bitcode=no --cfg 'feature="default"' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "36c055a37124d05c01bfdaf90beec6f1c4d04042227992def7b80be123e798e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c055a37124d05c01bfdaf90beec6f1c4d04042227992def7b80be123e798e4", kill_on_drop: false }`
[INFO] [stdout] 36c055a37124d05c01bfdaf90beec6f1c4d04042227992def7b80be123e798e4
