[INFO] fetching crate rotor-capnp 0.1.0...
[INFO] checking rotor-capnp-0.1.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate rotor-capnp 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rotor-capnp 0.1.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rotor-capnp 0.1.0
[INFO] finished tweaking crates.io crate rotor-capnp 0.1.0
[INFO] tweaked toml for crates.io crate rotor-capnp 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.4.0 (latest: v2.5.0)
[INFO] [stderr]       Adding byteorder v0.4.2 (latest: v1.5.0)
[INFO] [stderr]       Adding byteorder v0.5.3 (latest: v1.5.0)
[INFO] [stderr]       Adding bytes v0.3.0 (latest: v1.6.0)
[INFO] [stderr]       Adding capnp v0.6.2 (latest: v0.19.5)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding memchr v0.1.11 (latest: v2.7.2)
[INFO] [stderr]       Adding mio v0.5.1 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.1.5 (latest: v0.6.0)
[INFO] [stderr]       Adding netbuf v0.3.8 (latest: v0.4.1)
[INFO] [stderr]       Adding nix v0.5.1 (latest: v0.29.0)
[INFO] [stderr]       Adding quick-error v0.2.2 (latest: v2.0.1)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rotor-stream v0.5.1 (latest: v0.6.2)
[INFO] [stderr]       Adding slab v0.1.3 (latest: v0.4.9)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netbuf v0.3.8
[INFO] [stderr]   Downloaded quick-error v0.2.2
[INFO] [stderr]   Downloaded capnp v0.6.2
[INFO] [stderr]   Downloaded rotor v0.6.3
[INFO] [stderr]   Downloaded rotor-tools v0.3.2
[INFO] [stderr]   Downloaded rotor-stream v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d49e332728eb814aa92c86716a2a1286461e328e2fc7adf60ba69fb9a41780f4
[INFO] running `Command { std: "docker" "start" "-a" "d49e332728eb814aa92c86716a2a1286461e328e2fc7adf60ba69fb9a41780f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d49e332728eb814aa92c86716a2a1286461e328e2fc7adf60ba69fb9a41780f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49e332728eb814aa92c86716a2a1286461e328e2fc7adf60ba69fb9a41780f4", kill_on_drop: false }`
[INFO] [stdout] d49e332728eb814aa92c86716a2a1286461e328e2fc7adf60ba69fb9a41780f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24ccc92655d6c4bd329308356688be12b86299a8b90ed57355c196db701ac9f9
[INFO] running `Command { std: "docker" "start" "-a" "24ccc92655d6c4bd329308356688be12b86299a8b90ed57355c196db701ac9f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking netbuf v0.3.8
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking capnp v0.6.2
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stdout] error[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/capnp-0.6.2/src/private/layout.rs:639:47
[INFO] [stdout]     |
[INFO] [stdout] 639 |         let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment));
[INFO] [stdout]     |                        ----------- ---------  ^^^^^^^ immutable borrow occurs here
[INFO] [stdout]     |                        |           |
[INFO] [stdout]     |                        |           mutable borrow occurs here
[INFO] [stdout]     |                        mutable borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `capnp` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "24ccc92655d6c4bd329308356688be12b86299a8b90ed57355c196db701ac9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ccc92655d6c4bd329308356688be12b86299a8b90ed57355c196db701ac9f9", kill_on_drop: false }`
[INFO] [stdout] 24ccc92655d6c4bd329308356688be12b86299a8b90ed57355c196db701ac9f9