[INFO] cloning repository https://github.com/esphen/gitiful
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esphen/gitiful" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesphen%2Fgitiful", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesphen%2Fgitiful'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68b0287d71d79fe37225cf60eaf745553904e1ea
[INFO] checking esphen/gitiful against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesphen%2Fgitiful" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esphen/gitiful on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/esphen/gitiful
[INFO] finished tweaking git repo https://github.com/esphen/gitiful
[INFO] tweaked toml for git repo https://github.com/esphen/gitiful written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/esphen/gitiful already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 153c0e896bf39efc7f0347072c70921af29ea6e735f4ae3e4aa9302ae3822387
[INFO] running `Command { std: "docker" "start" "-a" "153c0e896bf39efc7f0347072c70921af29ea6e735f4ae3e4aa9302ae3822387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153c0e896bf39efc7f0347072c70921af29ea6e735f4ae3e4aa9302ae3822387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153c0e896bf39efc7f0347072c70921af29ea6e735f4ae3e4aa9302ae3822387", kill_on_drop: false }`
[INFO] [stdout] 153c0e896bf39efc7f0347072c70921af29ea6e735f4ae3e4aa9302ae3822387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6104c46ffe782970d771e460ea517b4faeebd13782beeb7048ca528d9f3c83
[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" "7e6104c46ffe782970d771e460ea517b4faeebd13782beeb7048ca528d9f3c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking bytestring v0.1.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.3.4/src/lib.rs:617:34
[INFO] [stdout]     |
[INFO] [stdout] 617 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking threadpool v1.7.1
[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]     Checking rand_core v0.5.1
[INFO] [stderr] error: could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e6104c46ffe782970d771e460ea517b4faeebd13782beeb7048ca528d9f3c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6104c46ffe782970d771e460ea517b4faeebd13782beeb7048ca528d9f3c83", kill_on_drop: false }`
[INFO] [stdout] 7e6104c46ffe782970d771e460ea517b4faeebd13782beeb7048ca528d9f3c83
