[INFO] cloning repository https://github.com/dwrensha/acronymy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwrensha/acronymy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Facronymy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Facronymy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10160e0ad25982449ab8ab3d7589816910406714
[INFO] checking dwrensha/acronymy against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Facronymy" "/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/dwrensha/acronymy on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwrensha/acronymy
[INFO] finished tweaking git repo https://github.com/dwrensha/acronymy
[INFO] tweaked toml for git repo https://github.com/dwrensha/acronymy written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dwrensha/acronymy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 419ae26d579b0c7472302ba38ef3b6a68460603755decf177757be3de15dde1c
[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" "419ae26d579b0c7472302ba38ef3b6a68460603755decf177757be3de15dde1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "419ae26d579b0c7472302ba38ef3b6a68460603755decf177757be3de15dde1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419ae26d579b0c7472302ba38ef3b6a68460603755decf177757be3de15dde1c", kill_on_drop: false }`
[INFO] [stdout] 419ae26d579b0c7472302ba38ef3b6a68460603755decf177757be3de15dde1c
[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" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0777e710c96f84bb2e5518919b4db04b5b12c35f58391db16ee19c0bbdba69f5
[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" "0777e710c96f84bb2e5518919b4db04b5b12c35f58391db16ee19c0bbdba69f5", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling futures v0.1.7
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking sqlite3 v0.1.0 (https://github.com/linuxfood/rustsqlite.git#d586703e)
[INFO] [stderr]    Compiling capnp v0.8.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking idna v0.1.0
[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-0.8.0/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[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-0.8.0/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: build failed
[INFO] running `Command { std: "docker" "inspect" "0777e710c96f84bb2e5518919b4db04b5b12c35f58391db16ee19c0bbdba69f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0777e710c96f84bb2e5518919b4db04b5b12c35f58391db16ee19c0bbdba69f5", kill_on_drop: false }`
[INFO] [stdout] 0777e710c96f84bb2e5518919b4db04b5b12c35f58391db16ee19c0bbdba69f5