[INFO] cloning repository https://github.com/gloriousfutureio/changes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gloriousfutureio/changes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgloriousfutureio%2Fchanges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgloriousfutureio%2Fchanges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c719c85d958e62bfec768d1db78cd763454a468a
[INFO] testing gloriousfutureio/changes against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgloriousfutureio%2Fchanges" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gloriousfutureio/changes on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gloriousfutureio/changes
[INFO] finished tweaking git repo https://github.com/gloriousfutureio/changes
[INFO] tweaked toml for git repo https://github.com/gloriousfutureio/changes written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/gloriousfutureio/changes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/anxiousmodernman/jsonwebtoken`
[INFO] [stderr]     Updating git repository `https://github.com/anxiousmodernman/keyz`
[INFO] [stderr]     Updating git repository `https://github.com/rusticata/x509-parser`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded historian v3.0.4
[INFO] [stderr]   Downloaded rusticata-macros v0.4.1
[INFO] [stderr]   Downloaded coco v0.2.1
[INFO] [stderr]   Downloaded rocket v0.3.10
[INFO] [stderr]   Downloaded pear_codegen v0.0.16
[INFO] [stderr]   Downloaded openssl-sys v0.9.30
[INFO] [stderr]   Downloaded hyper v0.11.26
[INFO] [stderr]   Downloaded sled v0.15.15
[INFO] [stderr]   Downloaded isatty v0.1.7
[INFO] [stderr]   Downloaded openssl v0.10.7
[INFO] [stderr]   Downloaded bincode v1.0.0
[INFO] [stderr]   Downloaded frank_jwt v3.0.0
[INFO] [stderr]   Downloaded crypto-hash v0.3.1
[INFO] [stderr]   Downloaded rocket_codegen v0.3.10
[INFO] [stderr]   Downloaded unicode-normalization v0.1.6
[INFO] [stderr]   Downloaded pear v0.0.16
[INFO] [stderr]   Downloaded syn v0.13.7
[INFO] [stderr]   Downloaded pagecache v0.4.4
[INFO] [stderr]   Downloaded der-parser v0.5.4
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] bcdd64957440bc920a07abe5ea876796d09d00ba1dc18bf4b142d133bd7b1f15
[INFO] running `Command { std: "docker" "start" "-a" "bcdd64957440bc920a07abe5ea876796d09d00ba1dc18bf4b142d133bd7b1f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcdd64957440bc920a07abe5ea876796d09d00ba1dc18bf4b142d133bd7b1f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcdd64957440bc920a07abe5ea876796d09d00ba1dc18bf4b142d133bd7b1f15", kill_on_drop: false }`
[INFO] [stdout] bcdd64957440bc920a07abe5ea876796d09d00ba1dc18bf4b142d133bd7b1f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafdfb736490f9dd73c97d1feff4586e4763d4fc8d84e0a55a39da20a90ae53b
[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" "aafdfb736490f9dd73c97d1feff4586e4763d4fc8d84e0a55a39da20a90ae53b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling serde v1.0.45
[INFO] [stderr]    Compiling unicode-normalization v0.1.6
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling openssl v0.10.7
[INFO] [stderr]    Compiling pear v0.0.16
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0 (https://github.com/lfairy/maud.git?branch=master#7c63fc13)
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling isatty v0.1.7
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling pear_codegen v0.0.16
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling rocket v0.3.10
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling rocket_codegen v0.3.10
[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/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[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] error: could not compile `literalext`
[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" "aafdfb736490f9dd73c97d1feff4586e4763d4fc8d84e0a55a39da20a90ae53b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafdfb736490f9dd73c97d1feff4586e4763d4fc8d84e0a55a39da20a90ae53b", kill_on_drop: false }`
[INFO] [stdout] aafdfb736490f9dd73c97d1feff4586e4763d4fc8d84e0a55a39da20a90ae53b