[INFO] updating cached repository https://github.com/dpc/brainwiki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd049182c8a02c11b4bde3c55335c8653bae7e2e
[INFO] testing dpc/brainwiki against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fbrainwiki" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/brainwiki 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/dpc/brainwiki
[INFO] finished tweaking git repo https://github.com/dpc/brainwiki
[INFO] tweaked toml for git repo https://github.com/dpc/brainwiki written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dpc/brainwiki 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] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[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" "MAP_USER_ID=0" "-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" "--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] [stdout] 9953197b3085e3e92525b889bf3fa1d3bb5de3be4c9be0fc5d1bdc50696156a7
[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" "9953197b3085e3e92525b889bf3fa1d3bb5de3be4c9be0fc5d1bdc50696156a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9953197b3085e3e92525b889bf3fa1d3bb5de3be4c9be0fc5d1bdc50696156a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9953197b3085e3e92525b889bf3fa1d3bb5de3be4c9be0fc5d1bdc50696156a7", kill_on_drop: false }`
[INFO] [stdout] 9953197b3085e3e92525b889bf3fa1d3bb5de3be4c9be0fc5d1bdc50696156a7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 7a6bcbf91acd2b1beb53c6b636d16a602cf5b916e503620c54bba4408df36e96
[INFO] running `Command { std: "docker" "start" "-a" "7a6bcbf91acd2b1beb53c6b636d16a602cf5b916e503620c54bba4408df36e96", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling futures v0.1.23
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling matches v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling json v0.11.13
[INFO] [stderr]    Compiling stpl v0.5.0 (http://github.com/dpc/stpl#f524d39a)
[INFO] [stderr]    Compiling file v1.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stpl-62a66fe7db697e24/f524d39/src/lib.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | #![feature(unboxed_closures)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/stpl-62a66fe7db697e24/f524d39/src/lib.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | #![feature(fn_traits)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stpl`.
[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" "7a6bcbf91acd2b1beb53c6b636d16a602cf5b916e503620c54bba4408df36e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6bcbf91acd2b1beb53c6b636d16a602cf5b916e503620c54bba4408df36e96", kill_on_drop: false }`
[INFO] [stdout] 7a6bcbf91acd2b1beb53c6b636d16a602cf5b916e503620c54bba4408df36e96