[INFO] cloning repository https://github.com/zni/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zni/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7f3881879d8098388f9fae1f733d80423b31abf
[INFO] testing zni/rlox against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzni%2Frlox" "/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/zni/rlox on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zni/rlox
[INFO] finished tweaking git repo https://github.com/zni/rlox
[INFO] tweaked toml for git repo https://github.com/zni/rlox written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zni/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ce8953ee579ea6c0eb1cc6dd1c09383fec703105df1ae7abed38fec54adba6f
[INFO] running `Command { std: "docker" "start" "-a" "1ce8953ee579ea6c0eb1cc6dd1c09383fec703105df1ae7abed38fec54adba6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce8953ee579ea6c0eb1cc6dd1c09383fec703105df1ae7abed38fec54adba6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce8953ee579ea6c0eb1cc6dd1c09383fec703105df1ae7abed38fec54adba6f", kill_on_drop: false }`
[INFO] [stdout] 1ce8953ee579ea6c0eb1cc6dd1c09383fec703105df1ae7abed38fec54adba6f
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa45af4e3f16d279852973f4390ac15a154ab1659e08929eb73abf5dc7d8bf11
[INFO] running `Command { std: "docker" "start" "-a" "aa45af4e3f16d279852973f4390ac15a154ab1659e08929eb73abf5dc7d8bf11", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/scanner.rs:285:24
[INFO] [stdout]     |
[INFO] [stdout] 284 |         match self.reserved.get(&slice) {
[INFO] [stdout]     |               ------------- immutable borrow occurs here
[INFO] [stdout] 285 |             Some(t) => self.add_token(t.clone()),
[INFO] [stdout]     |                        ^^^^           - immutable borrow later used here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        mutable borrow occurs 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "aa45af4e3f16d279852973f4390ac15a154ab1659e08929eb73abf5dc7d8bf11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa45af4e3f16d279852973f4390ac15a154ab1659e08929eb73abf5dc7d8bf11", kill_on_drop: false }`
[INFO] [stdout] aa45af4e3f16d279852973f4390ac15a154ab1659e08929eb73abf5dc7d8bf11
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c423ca8c64775b00c7bbd6e1c471cae548c1b44fe7256c8d1d50be97b1a5e8
[INFO] running `Command { std: "docker" "start" "-a" "28c423ca8c64775b00c7bbd6e1c471cae548c1b44fe7256c8d1d50be97b1a5e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/scanner.rs:285:24
[INFO] [stdout]     |
[INFO] [stdout] 284 |         match self.reserved.get(&slice) {
[INFO] [stdout]     |               ------------- immutable borrow occurs here
[INFO] [stdout] 285 |             Some(t) => self.add_token(t.clone()),
[INFO] [stdout]     |                        ^^^^           - immutable borrow later used here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        mutable borrow occurs 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28c423ca8c64775b00c7bbd6e1c471cae548c1b44fe7256c8d1d50be97b1a5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c423ca8c64775b00c7bbd6e1c471cae548c1b44fe7256c8d1d50be97b1a5e8", kill_on_drop: false }`
[INFO] [stdout] 28c423ca8c64775b00c7bbd6e1c471cae548c1b44fe7256c8d1d50be97b1a5e8
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6161687d839db55a3c5fb5bb5724974f21b5e32d6cab158aa48b4f8d8602f311
[INFO] running `Command { std: "docker" "start" "-a" "6161687d839db55a3c5fb5bb5724974f21b5e32d6cab158aa48b4f8d8602f311", kill_on_drop: false }`
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/scanner.rs:285:24
[INFO] [stderr]     |
[INFO] [stderr] 284 |         match self.reserved.get(&slice) {
[INFO] [stderr]     |               ------------- immutable borrow occurs here
[INFO] [stderr] 285 |             Some(t) => self.add_token(t.clone()),
[INFO] [stderr]     |                        ^^^^           - immutable borrow later used here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-c4c2beabf381f2e3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6161687d839db55a3c5fb5bb5724974f21b5e32d6cab158aa48b4f8d8602f311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6161687d839db55a3c5fb5bb5724974f21b5e32d6cab158aa48b4f8d8602f311", kill_on_drop: false }`
[INFO] [stdout] 6161687d839db55a3c5fb5bb5724974f21b5e32d6cab158aa48b4f8d8602f311