[INFO] cloning repository https://github.com/AngelVI13/rustoe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AngelVI13/rustoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelVI13%2Frustoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelVI13%2Frustoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51a0b26d56662d94b6a24e3495bb719fef82ee31
[INFO] building AngelVI13/rustoe against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAngelVI13%2Frustoe" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AngelVI13/rustoe on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AngelVI13/rustoe
[INFO] finished tweaking git repo https://github.com/AngelVI13/rustoe
[INFO] tweaked toml for git repo https://github.com/AngelVI13/rustoe written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AngelVI13/rustoe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e758adbf7ee5aae06f9ba5ab1f61bb9e3c166173f14df2b9999f8120189b21ac
[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" "e758adbf7ee5aae06f9ba5ab1f61bb9e3c166173f14df2b9999f8120189b21ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e758adbf7ee5aae06f9ba5ab1f61bb9e3c166173f14df2b9999f8120189b21ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e758adbf7ee5aae06f9ba5ab1f61bb9e3c166173f14df2b9999f8120189b21ac", kill_on_drop: false }`
[INFO] [stdout] e758adbf7ee5aae06f9ba5ab1f61bb9e3c166173f14df2b9999f8120189b21ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6395cffc4e0181d67dc53f9bed5268f1927c4f6087ee56204b6a4460911bd70b
[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" "6395cffc4e0181d67dc53f9bed5268f1927c4f6087ee56204b6a4460911bd70b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling tttoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::defines::*`
[INFO] [stdout]  --> src/uct.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::defines::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NodeData`, `NodeId`
[INFO] [stdout]  --> src/uct.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::node::{Arena, Node, NodeId, NodeData};
[INFO] [stdout]   |                                ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeData`
[INFO] [stdout]  --> src/main.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use node::{Arena, NodeData};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uct::uct`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use uct::uct;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arena`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut arena = Arena::new();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut arena = Arena::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*arena` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/uct.rs:20:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut node = &mut arena.nodes[rootnode_id.index];
[INFO] [stdout]    |                             ----------- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 20 |             let selected_child_id = node.select_child(arena);
[INFO] [stdout]    |                                          ------------ ^^^^^ immutable borrow occurs here
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          mutable borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*arena` as mutable more than once at a time
[INFO] [stdout]   --> src/uct.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut node = &mut arena.nodes[rootnode_id.index];
[INFO] [stdout]    |                             ----------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 33 |             let new_child_id = node.add_child(arena, move_, &state); 
[INFO] [stdout]    |                                     --------- ^^^^^ second mutable borrow occurs here
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     first borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*arena` as mutable more than once at a time
[INFO] [stdout]   --> src/uct.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let rootnode = arena.get(&rootnode_id);
[INFO] [stdout]    |                    ----- first mutable borrow occurs here
[INFO] [stdout] 63 |     for child_id in rootnode.children.iter() {
[INFO] [stdout]    |                     ------------------------ first borrow later used here
[INFO] [stdout] 64 |         let child = arena.get(child_id);
[INFO] [stdout]    |                     ^^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0499, E0502.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tttoe`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6395cffc4e0181d67dc53f9bed5268f1927c4f6087ee56204b6a4460911bd70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6395cffc4e0181d67dc53f9bed5268f1927c4f6087ee56204b6a4460911bd70b", kill_on_drop: false }`
[INFO] [stdout] 6395cffc4e0181d67dc53f9bed5268f1927c4f6087ee56204b6a4460911bd70b
