[INFO] cloning repository https://github.com/esbraff/o1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esbraff/o1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fo1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fo1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 689587fd50d384f0c32d63cdb438e612cbbc10bf
[INFO] testing esbraff/o1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesbraff%2Fo1" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esbraff/o1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-86/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0067d6aa0fb646f3ec8283a81b6f5bf5fb490ebd47e3af638caf51100703a5da
[INFO] running `Command { std: "docker" "start" "-a" "0067d6aa0fb646f3ec8283a81b6f5bf5fb490ebd47e3af638caf51100703a5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0067d6aa0fb646f3ec8283a81b6f5bf5fb490ebd47e3af638caf51100703a5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0067d6aa0fb646f3ec8283a81b6f5bf5fb490ebd47e3af638caf51100703a5da", kill_on_drop: false }`
[INFO] [stdout] 0067d6aa0fb646f3ec8283a81b6f5bf5fb490ebd47e3af638caf51100703a5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45a22a237ef5d63f033eca67697a3eb6bb166d472e1c0b4dec298c5ce0eeb4b1
[INFO] running `Command { std: "docker" "start" "-a" "45a22a237ef5d63f033eca67697a3eb6bb166d472e1c0b4dec298c5ce0eeb4b1", 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 the macro `deref` (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 the macro `deref` (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 the macro `deref` (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` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "45a22a237ef5d63f033eca67697a3eb6bb166d472e1c0b4dec298c5ce0eeb4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a22a237ef5d63f033eca67697a3eb6bb166d472e1c0b4dec298c5ce0eeb4b1", kill_on_drop: false }`
[INFO] [stdout] 45a22a237ef5d63f033eca67697a3eb6bb166d472e1c0b4dec298c5ce0eeb4b1