[INFO] fetching crate leaf 0.2.1...
[INFO] checking leaf-0.2.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate leaf 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate leaf 0.2.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leaf 0.2.1
[INFO] finished tweaking crates.io crate leaf 0.2.1
[INFO] tweaked toml for crates.io crate leaf 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.5.3 (latest: v1.1.3)
[INFO] [stderr]       Adding bitflags v0.3.3 (latest: v2.5.0)
[INFO] [stderr]       Adding byteorder v0.4.2 (latest: v1.5.0)
[INFO] [stderr]       Adding capnp v0.6.2 (latest: v0.19.3)
[INFO] [stderr]       Adding capnpc v0.6.2 (latest: v0.19.0)
[INFO] [stderr]       Adding clippy v0.0.41 (latest: v0.0.302)
[INFO] [stderr]       Adding env_logger v0.3.5 (latest: v0.11.3)
[INFO] [stderr]       Adding lazy_static v0.1.16 (latest: v1.4.0)
[INFO] [stderr]       Adding linear-map v0.0.4 (latest: v1.2.0)
[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 nom v1.2.4 (latest: v7.1.3)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rblas v0.0.11 (latest: v0.0.13)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex v0.1.80 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.2.6 (latest: v0.8.3)
[INFO] [stderr]       Adding regex-syntax v0.3.9 (latest: v0.8.3)
[INFO] [stderr]       Adding semver v0.2.3 (latest: v1.0.22)
[INFO] [stderr]       Adding thread-id v2.0.0 (latest: v4.2.1)
[INFO] [stderr]       Adding thread_local v0.2.7 (latest: v1.1.8)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (latest: v1.0.5)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded collenchyma-blas v0.2.0
[INFO] [stderr]   Downloaded linear-map v0.0.4
[INFO] [stderr]   Downloaded collenchyma v0.0.8
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded rblas v0.0.11
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded cublas-sys v0.1.0
[INFO] [stderr]   Downloaded capnp v0.6.2
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded cublas v0.2.0
[INFO] [stderr]   Downloaded regex-syntax v0.2.6
[INFO] [stderr]   Downloaded clippy v0.0.41
[INFO] [stderr]   Downloaded collenchyma-nn v0.3.4
[INFO] [stderr]   Downloaded timeit v0.1.2
[INFO] [stderr]   Downloaded capnpc v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a93c96b284e08844ea825015dc549e46dd0111a845a8de11b6c36be05045c2d7
[INFO] running `Command { std: "docker" "start" "-a" "a93c96b284e08844ea825015dc549e46dd0111a845a8de11b6c36be05045c2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a93c96b284e08844ea825015dc549e46dd0111a845a8de11b6c36be05045c2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93c96b284e08844ea825015dc549e46dd0111a845a8de11b6c36be05045c2d7", kill_on_drop: false }`
[INFO] [stdout] a93c96b284e08844ea825015dc549e46dd0111a845a8de11b6c36be05045c2d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6741c22ccdac166902a986396fc0ce839e09036f53e34d5bbc62dc550f2809
[INFO] running `Command { std: "docker" "start" "-a" "8f6741c22ccdac166902a986396fc0ce839e09036f53e34d5bbc62dc550f2809", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]    Compiling rblas v0.0.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling capnp v0.6.2
[INFO] [stderr]     Checking linear-map v0.0.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[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] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking thread_local v0.2.7
[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]     Checking timeit v0.1.2
[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] [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] running `Command { std: "docker" "inspect" "8f6741c22ccdac166902a986396fc0ce839e09036f53e34d5bbc62dc550f2809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6741c22ccdac166902a986396fc0ce839e09036f53e34d5bbc62dc550f2809", kill_on_drop: false }`
[INFO] [stdout] 8f6741c22ccdac166902a986396fc0ce839e09036f53e34d5bbc62dc550f2809
