[INFO] cloning repository https://github.com/fangerm/cloxrs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fangerm/cloxrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffangerm%2Fcloxrs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffangerm%2Fcloxrs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 960fbc87340d40994423cf5c2d78308e155bb956 [INFO] checking fangerm/cloxrs against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffangerm%2Fcloxrs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fangerm/cloxrs on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fangerm/cloxrs [INFO] finished tweaking git repo https://github.com/fangerm/cloxrs [INFO] tweaked toml for git repo https://github.com/fangerm/cloxrs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/fangerm/cloxrs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded plain_enum v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb7281ef4dfdd4bf28bed1c58c49fe6c3b29618e972cf47646eb61c25835be88 [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" "eb7281ef4dfdd4bf28bed1c58c49fe6c3b29618e972cf47646eb61c25835be88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb7281ef4dfdd4bf28bed1c58c49fe6c3b29618e972cf47646eb61c25835be88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb7281ef4dfdd4bf28bed1c58c49fe6c3b29618e972cf47646eb61c25835be88", kill_on_drop: false }` [INFO] [stdout] eb7281ef4dfdd4bf28bed1c58c49fe6c3b29618e972cf47646eb61c25835be88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b3cad560f137a9cfb58da51ce9fc716c831a2c3cacdd376d0c668d8bee7bb2a5 [INFO] running `Command { std: "docker" "start" "-a" "b3cad560f137a9cfb58da51ce9fc716c831a2c3cacdd376d0c668d8bee7bb2a5", kill_on_drop: false }` [INFO] [stderr] Checking plain_enum v0.7.0 [INFO] [stderr] Checking loxrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/vm.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 38 | match &self.chunk.code[self.ip - 1].code { [INFO] [stdout] | --------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 53 | self.runtime_error(&format!("Undefined variable {}.", global)); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------ immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/vm.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 38 | match &self.chunk.code[self.ip - 1].code { [INFO] [stdout] | --------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 63 | self.runtime_error(&format!("Undefined variable {}.", global)); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------ immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(bind_by_move_pattern_guards)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/vm.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 38 | match &self.chunk.code[self.ip - 1].code { [INFO] [stdout] | --------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 53 | self.runtime_error(&format!("Undefined variable {}.", global)); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------ immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/vm.rs:63:25 [INFO] [stdout] | [INFO] [stdout] 38 | match &self.chunk.code[self.ip - 1].code { [INFO] [stdout] | --------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 63 | self.runtime_error(&format!("Undefined variable {}.", global)); [INFO] [stdout] | ^^^^ mutable borrow occurs here ------ immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(bind_by_move_pattern_guards)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.65s [INFO] running `Command { std: "docker" "inspect" "b3cad560f137a9cfb58da51ce9fc716c831a2c3cacdd376d0c668d8bee7bb2a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3cad560f137a9cfb58da51ce9fc716c831a2c3cacdd376d0c668d8bee7bb2a5", kill_on_drop: false }` [INFO] [stdout] b3cad560f137a9cfb58da51ce9fc716c831a2c3cacdd376d0c668d8bee7bb2a5