[INFO] cloning repository https://github.com/mmclar/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmclar/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmclar%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmclar%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74663fdda4b2351e26f451a4696c644e3129bdfa
[INFO] testing mmclar/rlox against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmclar%2Frlox" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmclar/rlox on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmclar/rlox
[INFO] finished tweaking git repo https://github.com/mmclar/rlox
[INFO] tweaked toml for git repo https://github.com/mmclar/rlox written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mmclar/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b42172f5e22ed72138262c5f1ac586a28c3caea72b4e86274554e0211ebfcaa2
[INFO] running `Command { std: "docker" "start" "-a" "b42172f5e22ed72138262c5f1ac586a28c3caea72b4e86274554e0211ebfcaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b42172f5e22ed72138262c5f1ac586a28c3caea72b4e86274554e0211ebfcaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42172f5e22ed72138262c5f1ac586a28c3caea72b4e86274554e0211ebfcaa2", kill_on_drop: false }`
[INFO] [stdout] b42172f5e22ed72138262c5f1ac586a28c3caea72b4e86274554e0211ebfcaa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abed71d6b26dcca5158fc559200e9a2567ce274bb20c29ee949621132d280004
[INFO] running `Command { std: "docker" "start" "-a" "abed71d6b26dcca5158fc559200e9a2567ce274bb20c29ee949621132d280004", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::value::ValueType::Bool`
[INFO] [stdout]  --> src/value.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::value::ValueType::Bool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueData`
[INFO] [stdout]  --> src/vm.rs:3:91
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::value::{as_bool, as_number, bool_val, NIL_VAL, number_val, print_value, Value, ValueData, ValueType};
[INFO] [stdout]   |                                                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/compiler.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let rule = self.parser.get_rule(operator_type);
[INFO] [stdout]     |                    ----------------------------------- immutable borrow occurs here
[INFO] [stdout] 113 |         self.parse_precedence(rule.precedence + 1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^---------------^^^^^
[INFO] [stdout]     |         |                     |
[INFO] [stdout]     |         |                     immutable borrow later used here
[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: static is never used: `PREC_OR`
[INFO] [stdout]   --> src/parser.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub static PREC_OR: i32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREC_AND`
[INFO] [stdout]   --> src/parser.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub static PREC_AND: i32 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREC_CALL`
[INFO] [stdout]   --> src/parser.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub static PREC_CALL: i32 = 10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREC_PRIMARY`
[INFO] [stdout]   --> src/parser.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub static PREC_PRIMARY: i32 = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "abed71d6b26dcca5158fc559200e9a2567ce274bb20c29ee949621132d280004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abed71d6b26dcca5158fc559200e9a2567ce274bb20c29ee949621132d280004", kill_on_drop: false }`
[INFO] [stdout] abed71d6b26dcca5158fc559200e9a2567ce274bb20c29ee949621132d280004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b013b51968fcd1e5aa5bb5a0390081a4f53fb69c9a546e60c364b1e41d4d7d
[INFO] running `Command { std: "docker" "start" "-a" "16b013b51968fcd1e5aa5bb5a0390081a4f53fb69c9a546e60c364b1e41d4d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::value::ValueType::Bool`
[INFO] [stdout]  --> src/value.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::value::ValueType::Bool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueData`
[INFO] [stdout]  --> src/vm.rs:3:91
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::value::{as_bool, as_number, bool_val, NIL_VAL, number_val, print_value, Value, ValueData, ValueType};
[INFO] [stdout]   |                                                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/compiler.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let rule = self.parser.get_rule(operator_type);
[INFO] [stdout]     |                    ----------------------------------- immutable borrow occurs here
[INFO] [stdout] 113 |         self.parse_precedence(rule.precedence + 1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^---------------^^^^^
[INFO] [stdout]     |         |                     |
[INFO] [stdout]     |         |                     immutable borrow later used here
[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: static is never used: `PREC_OR`
[INFO] [stdout]   --> src/parser.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub static PREC_OR: i32 = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREC_AND`
[INFO] [stdout]   --> src/parser.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub static PREC_AND: i32 = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREC_CALL`
[INFO] [stdout]   --> src/parser.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub static PREC_CALL: i32 = 10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREC_PRIMARY`
[INFO] [stdout]   --> src/parser.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub static PREC_PRIMARY: i32 = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "16b013b51968fcd1e5aa5bb5a0390081a4f53fb69c9a546e60c364b1e41d4d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b013b51968fcd1e5aa5bb5a0390081a4f53fb69c9a546e60c364b1e41d4d7d", kill_on_drop: false }`
[INFO] [stdout] 16b013b51968fcd1e5aa5bb5a0390081a4f53fb69c9a546e60c364b1e41d4d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b04af82bf9f377dc689705f4eedee7bab05a1f01d36b0e18852c51e6003cc20e
[INFO] running `Command { std: "docker" "start" "-a" "b04af82bf9f377dc689705f4eedee7bab05a1f01d36b0e18852c51e6003cc20e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::value::ValueType::Bool`
[INFO] [stderr]  --> src/value.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::value::ValueType::Bool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ValueData`
[INFO] [stderr]  --> src/vm.rs:3:91
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::value::{as_bool, as_number, bool_val, NIL_VAL, number_val, print_value, Value, ValueData, ValueType};
[INFO] [stderr]   |                                                                                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/compiler.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let rule = self.parser.get_rule(operator_type);
[INFO] [stderr]     |                    ----------------------------------- immutable borrow occurs here
[INFO] [stderr] 113 |         self.parse_precedence(rule.precedence + 1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^---------------^^^^^
[INFO] [stderr]     |         |                     |
[INFO] [stderr]     |         |                     immutable borrow later used here
[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: static is never used: `PREC_OR`
[INFO] [stderr]   --> src/parser.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub static PREC_OR: i32 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `PREC_AND`
[INFO] [stderr]   --> src/parser.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub static PREC_AND: i32 = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `PREC_CALL`
[INFO] [stderr]   --> src/parser.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub static PREC_CALL: i32 = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `PREC_PRIMARY`
[INFO] [stderr]   --> src/parser.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub static PREC_PRIMARY: i32 = 11;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-63bb98a2f90309ef)
[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" "b04af82bf9f377dc689705f4eedee7bab05a1f01d36b0e18852c51e6003cc20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04af82bf9f377dc689705f4eedee7bab05a1f01d36b0e18852c51e6003cc20e", kill_on_drop: false }`
[INFO] [stdout] b04af82bf9f377dc689705f4eedee7bab05a1f01d36b0e18852c51e6003cc20e