[INFO] cloning repository https://github.com/emallson/tiptop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emallson/tiptop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Ftiptop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Ftiptop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7f7677b96f1a1ec19889d1e1000b8aab047d265
[INFO] checking emallson/tiptop against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femallson%2Ftiptop" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emallson/tiptop on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emallson/tiptop
[INFO] finished tweaking git repo https://github.com/emallson/tiptop
[INFO] tweaked toml for git repo https://github.com/emallson/tiptop written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/emallson/tiptop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dd2ee1cdb6a6a652e9d5b25dc179460eeaefc9126fcdf9d7fe2ba3f990b2d89
[INFO] running `Command { std: "docker" "start" "-a" "2dd2ee1cdb6a6a652e9d5b25dc179460eeaefc9126fcdf9d7fe2ba3f990b2d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dd2ee1cdb6a6a652e9d5b25dc179460eeaefc9126fcdf9d7fe2ba3f990b2d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd2ee1cdb6a6a652e9d5b25dc179460eeaefc9126fcdf9d7fe2ba3f990b2d89", kill_on_drop: false }`
[INFO] [stdout] 2dd2ee1cdb6a6a652e9d5b25dc179460eeaefc9126fcdf9d7fe2ba3f990b2d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b49cff2b66b3ac7626f9441f2156a38a54754fdb5fec5d9f8780aafe9bd229
[INFO] running `Command { std: "docker" "start" "-a" "81b49cff2b66b3ac7626f9441f2156a38a54754fdb5fec5d9f8780aafe9bd229", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking slog v1.7.1
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking ordermap v0.2.12
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking as_num v0.2.3
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking colored v1.5.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking capnp v0.7.5
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling gurobi v0.1.1 (https://github.com/emallson/gurobi.rs.git#e275cfae)
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking slog-extra v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking slog-stream v1.2.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stdout] error[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.7.5/src/private/layout.rs:643:47
[INFO] [stdout]     |
[INFO] [stdout] 643 |         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[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.7.5/src/private/layout.rs:643:47
[INFO] [stdout]     |
[INFO] [stdout] 643 |         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 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "81b49cff2b66b3ac7626f9441f2156a38a54754fdb5fec5d9f8780aafe9bd229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b49cff2b66b3ac7626f9441f2156a38a54754fdb5fec5d9f8780aafe9bd229", kill_on_drop: false }`
[INFO] [stdout] 81b49cff2b66b3ac7626f9441f2156a38a54754fdb5fec5d9f8780aafe9bd229