[INFO] cloning repository https://github.com/Phrohdoh/rs-rocket-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phrohdoh/rs-rocket-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhrohdoh%2Frs-rocket-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhrohdoh%2Frs-rocket-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efc75f811d5a3024af05516d341af5e1b3d97387
[INFO] checking Phrohdoh/rs-rocket-test against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhrohdoh%2Frs-rocket-test" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phrohdoh/rs-rocket-test on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Phrohdoh/rs-rocket-test
[INFO] finished tweaking git repo https://github.com/Phrohdoh/rs-rocket-test
[INFO] tweaked toml for git repo https://github.com/Phrohdoh/rs-rocket-test written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Phrohdoh/rs-rocket-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61218e39ef60b3c93e542b7efc1e7f144b052209515c5f99a3c4b67fe1dd39aa
[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" "61218e39ef60b3c93e542b7efc1e7f144b052209515c5f99a3c4b67fe1dd39aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61218e39ef60b3c93e542b7efc1e7f144b052209515c5f99a3c4b67fe1dd39aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61218e39ef60b3c93e542b7efc1e7f144b052209515c5f99a3c4b67fe1dd39aa", kill_on_drop: false }`
[INFO] [stdout] 61218e39ef60b3c93e542b7efc1e7f144b052209515c5f99a3c4b67fe1dd39aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a90f856a57c40a6f7f2f313ee14763b1158f2c60b5328a904f929f83171aaa2
[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" "8a90f856a57c40a6f7f2f313ee14763b1158f2c60b5328a904f929f83171aaa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling term-painter v0.2.3
[INFO] [stderr]    Compiling rocket_codegen v0.1.5
[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-0.1.5/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `rocket_codegen`
[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" "8a90f856a57c40a6f7f2f313ee14763b1158f2c60b5328a904f929f83171aaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a90f856a57c40a6f7f2f313ee14763b1158f2c60b5328a904f929f83171aaa2", kill_on_drop: false }`
[INFO] [stdout] 8a90f856a57c40a6f7f2f313ee14763b1158f2c60b5328a904f929f83171aaa2