[INFO] cloning repository https://github.com/jrozner/itunes2spotify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrozner/itunes2spotify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fitunes2spotify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fitunes2spotify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57e78cb8daf676a583fd75a8ce48929e0ca203a3
[INFO] documenting jrozner/itunes2spotify against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrozner%2Fitunes2spotify" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrozner/itunes2spotify on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrozner/itunes2spotify
[INFO] finished tweaking git repo https://github.com/jrozner/itunes2spotify
[INFO] tweaked toml for git repo https://github.com/jrozner/itunes2spotify written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jrozner/itunes2spotify already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded openssl-sys v0.7.17
[INFO] [stderr]   Downloaded openssl-sys-extras v0.7.14
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded rocket_codegen v0.1.4
[INFO] [stderr]   Downloaded openssl v0.7.14
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded serde_codegen v0.8.21
[INFO] [stderr]   Downloaded rocket v0.1.4
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded serde_derive v0.8.21
[INFO] [stderr]   Downloaded pnacl-build-helper v1.4.10
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded libressl-pnacl-sys v2.1.6
[INFO] [stderr]   Downloaded plist v0.0.14
[INFO] [stderr]   Downloaded hyper v0.9.14
[INFO] [stderr]   Downloaded rocket_contrib v0.1.4
[INFO] [stderr]   Downloaded openssl-verify v0.1.0
[INFO] [stderr]   Downloaded syn v0.10.6
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] dc80727e96d2303d46f77f4c560898db9ad090cd9b9fabab8b795964687456d7
[INFO] running `Command { std: "docker" "start" "-a" "dc80727e96d2303d46f77f4c560898db9ad090cd9b9fabab8b795964687456d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc80727e96d2303d46f77f4c560898db9ad090cd9b9fabab8b795964687456d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc80727e96d2303d46f77f4c560898db9ad090cd9b9fabab8b795964687456d7", kill_on_drop: false }`
[INFO] [stdout] dc80727e96d2303d46f77f4c560898db9ad090cd9b9fabab8b795964687456d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2245c3db45444bd4d94841a6978f991e30a66a3d1f9fe41e501d392482d649b7
[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" "2245c3db45444bd4d94841a6978f991e30a66a3d1f9fe41e501d392482d649b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]    Compiling plist v0.0.14
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]     Checking xml-rs v0.3.5
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr]    Compiling rocket_codegen v0.1.4
[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] [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" "2245c3db45444bd4d94841a6978f991e30a66a3d1f9fe41e501d392482d649b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2245c3db45444bd4d94841a6978f991e30a66a3d1f9fe41e501d392482d649b7", kill_on_drop: false }`
[INFO] [stdout] 2245c3db45444bd4d94841a6978f991e30a66a3d1f9fe41e501d392482d649b7
