[INFO] cloning repository https://github.com/j-fro/rocket-todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-fro/rocket-todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Frocket-todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-fro%2Frocket-todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebba3a6bc3dca4b5c258b75b41807c6c659f2331
[INFO] testing j-fro/rocket-todo 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%2Fj-fro%2Frocket-todo" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-fro/rocket-todo 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/j-fro/rocket-todo
[INFO] finished tweaking git repo https://github.com/j-fro/rocket-todo
[INFO] tweaked toml for git repo https://github.com/j-fro/rocket-todo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/j-fro/rocket-todo 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]  Downloading crates ...
[INFO] [stderr]   Downloaded md5 v0.2.1
[INFO] [stderr]   Downloaded postgres-protocol v0.2.0
[INFO] [stderr]   Downloaded quick-error v1.1.0
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded rocket_codegen v0.1.4
[INFO] [stderr]   Downloaded serde_codegen v0.8.22
[INFO] [stderr]   Downloaded serde_derive v0.8.22
[INFO] [stderr]   Downloaded postgres v0.13.4
[INFO] [stderr]   Downloaded rocket_contrib v0.1.4
[INFO] [stderr]   Downloaded rocket v0.1.4
[INFO] [stderr]   Downloaded handlebars v0.23.0
[INFO] [stderr]   Downloaded syn v0.10.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2882d7ab05d71248c46e4c82f5ae13151d60f30ab67695bab51954bcc18d83f1
[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" "2882d7ab05d71248c46e4c82f5ae13151d60f30ab67695bab51954bcc18d83f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2882d7ab05d71248c46e4c82f5ae13151d60f30ab67695bab51954bcc18d83f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2882d7ab05d71248c46e4c82f5ae13151d60f30ab67695bab51954bcc18d83f1", kill_on_drop: false }`
[INFO] [stdout] 2882d7ab05d71248c46e4c82f5ae13151d60f30ab67695bab51954bcc18d83f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3641e36a4c74dee7da589d61d9aacff1822042c0f76375d8629fd0760169792b
[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" "3641e36a4c74dee7da589d61d9aacff1822042c0f76375d8629fd0760169792b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.22
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rocket_codegen v0.1.4
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling memchr v0.1.11
[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/rocket_codegen-0.1.4/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocket_codegen`
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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" "3641e36a4c74dee7da589d61d9aacff1822042c0f76375d8629fd0760169792b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3641e36a4c74dee7da589d61d9aacff1822042c0f76375d8629fd0760169792b", kill_on_drop: false }`
[INFO] [stdout] 3641e36a4c74dee7da589d61d9aacff1822042c0f76375d8629fd0760169792b