[INFO] updating cached repository https://github.com/esbraff/o1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1273d6ab36a502d58d17e162a488b54aeef85512
[INFO] testing esbraff/o1 against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fo1" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esbraff/o1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/esbraff/o1
[INFO] finished tweaking git repo https://github.com/esbraff/o1
[INFO] tweaked toml for git repo https://github.com/esbraff/o1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/esbraff/o1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f9716cb325b15c54da1a6532e5eff78e6bf5a9f0d533c10192e011ba1f00105
[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" "9f9716cb325b15c54da1a6532e5eff78e6bf5a9f0d533c10192e011ba1f00105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f9716cb325b15c54da1a6532e5eff78e6bf5a9f0d533c10192e011ba1f00105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9716cb325b15c54da1a6532e5eff78e6bf5a9f0d533c10192e011ba1f00105", kill_on_drop: false }`
[INFO] [stdout] 9f9716cb325b15c54da1a6532e5eff78e6bf5a9f0d533c10192e011ba1f00105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c7ea2b113672de893d485c7e4770ed23be476a14949c702a3474a60968aecaa
[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" "7c7ea2b113672de893d485c7e4770ed23be476a14949c702a3474a60968aecaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling o1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `self.mem` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> src/vm.rs:13:5
[INFO] [stdout]     |
[INFO] [stdout] 13  |     $vm.mem[$i]
[INFO] [stdout]     |     ^^^^^^^----
[INFO] [stdout]     |     |
[INFO] [stdout]     |     immutable borrow occurs here
[INFO] [stdout]     |     mutable borrow occurs here
[INFO] [stdout]     |     mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 102 |             double_deref!(self, mp + 3) = sum.unwrap();
[INFO] [stdout]     |             --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.mem` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> src/vm.rs:13:5
[INFO] [stdout]     |
[INFO] [stdout] 13  |     $vm.mem[$i]
[INFO] [stdout]     |     ^^^^^^^----
[INFO] [stdout]     |     |
[INFO] [stdout]     |     immutable borrow occurs here
[INFO] [stdout]     |     mutable borrow occurs here
[INFO] [stdout]     |     mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 104 |             triple_deref!(self, mp + 3) = sum.unwrap();
[INFO] [stdout]     |             --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.mem` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> src/vm.rs:13:5
[INFO] [stdout]     |
[INFO] [stdout] 13  |     $vm.mem[$i]
[INFO] [stdout]     |     ^^^^^^^----
[INFO] [stdout]     |     |
[INFO] [stdout]     |     immutable borrow occurs here
[INFO] [stdout]     |     mutable borrow occurs here
[INFO] [stdout]     |     mutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 104 |             triple_deref!(self, mp + 3) = sum.unwrap();
[INFO] [stdout]     |             --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `o1`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7c7ea2b113672de893d485c7e4770ed23be476a14949c702a3474a60968aecaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7ea2b113672de893d485c7e4770ed23be476a14949c702a3474a60968aecaa", kill_on_drop: false }`
[INFO] [stdout] 7c7ea2b113672de893d485c7e4770ed23be476a14949c702a3474a60968aecaa