[INFO] cloning repository https://github.com/justinwash/Rustify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinwash/Rustify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwash%2FRustify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwash%2FRustify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8a8603b5fd838f4bd34caadf8eb6b908c1f2bf2
[INFO] documenting justinwash/Rustify against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwash%2FRustify" "/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/justinwash/Rustify on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/justinwash/Rustify
[INFO] finished tweaking git repo https://github.com/justinwash/Rustify
[INFO] tweaked toml for git repo https://github.com/justinwash/Rustify written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/justinwash/Rustify already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/librespot-org/librespot.git`
[INFO] [stderr]     Updating git repository `https://github.com/tomaka/rodio`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-proxy v0.4.1
[INFO] [stderr]   Downloaded ctr v0.3.2
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[INFO] [stderr]   Downloaded webview-sys v0.1.2
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7dd56050ba6aa812c3630c5ae66fc7231edfa04bb664953b53fcab06632f82d
[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" "f7dd56050ba6aa812c3630c5ae66fc7231edfa04bb664953b53fcab06632f82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7dd56050ba6aa812c3630c5ae66fc7231edfa04bb664953b53fcab06632f82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7dd56050ba6aa812c3630c5ae66fc7231edfa04bb664953b53fcab06632f82d", kill_on_drop: false }`
[INFO] [stdout] f7dd56050ba6aa812c3630c5ae66fc7231edfa04bb664953b53fcab06632f82d
[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" "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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e5cd955cf999ddc5d0e801d4eaac0e618c62216008ef25ee30340687fc2827e
[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" "2e5cd955cf999ddc5d0e801d4eaac0e618c62216008ef25ee30340687fc2827e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling librespot-core v0.1.0 (https://github.com/librespot-org/librespot.git#51a634dc)
[INFO] [stderr]     Checking regex v1.2.0
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[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking tokio-proto v0.1.1
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[INFO] [stderr]    Compiling protobuf-codegen v2.8.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.8.0
[INFO] [stderr]     Checking serde v1.0.98
[INFO] [stderr]     Checking hyper-proxy v0.4.1
[INFO] [stderr]    Compiling librespot-protocol v0.1.0 (https://github.com/librespot-org/librespot.git#51a634dc)
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_7_0` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/librespot-06fda9f186b35c32/51a634d/protocol/src/authentication.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_7_0;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_0`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-41374151cf659c9e/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_0: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_0` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_7_0` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/librespot-06fda9f186b35c32/51a634d/protocol/src/keyexchange.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_7_0;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_0`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-41374151cf659c9e/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_0: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_0` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_7_0` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/librespot-06fda9f186b35c32/51a634d/protocol/src/mercury.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_7_0;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_0`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-41374151cf659c9e/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_0: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_0` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_7_0` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/librespot-06fda9f186b35c32/51a634d/protocol/src/metadata.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_7_0;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_0`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-41374151cf659c9e/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_0: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_0` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_7_0` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/librespot-06fda9f186b35c32/51a634d/protocol/src/pubsub.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_7_0;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_0`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-41374151cf659c9e/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_0: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_0` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `VERSION_2_7_0` in crate `protobuf`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/librespot-06fda9f186b35c32/51a634d/protocol/src/spirc.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 | const _PROTOBUF_VERSION_CHECK: () = ::protobuf::VERSION_2_7_0;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^ help: a constant with a similar name exists: `VERSION_2_8_0`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/target/debug/build/protobuf-41374151cf659c9e/out/version.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub const VERSION_2_8_0: () = ();
[INFO] [stdout]    | --------------------------------- similarly named constant `VERSION_2_8_0` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librespot-protocol`.
[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" "2e5cd955cf999ddc5d0e801d4eaac0e618c62216008ef25ee30340687fc2827e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5cd955cf999ddc5d0e801d4eaac0e618c62216008ef25ee30340687fc2827e", kill_on_drop: false }`
[INFO] [stdout] 2e5cd955cf999ddc5d0e801d4eaac0e618c62216008ef25ee30340687fc2827e