[INFO] cloning repository https://github.com/ethanae/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanae/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanae%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanae%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4bb7f894bc035a619225527a9b6f76088136dd3
[INFO] testing ethanae/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%2Fethanae%2Frlox" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethanae/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/ethanae/rlox
[INFO] finished tweaking git repo https://github.com/ethanae/rlox
[INFO] tweaked toml for git repo https://github.com/ethanae/rlox written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ethanae/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5ddcc5f66ef7ffaa9b22566dd2f6a66d8864ab8afaa3762242c677cad26a4a3c
[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" "5ddcc5f66ef7ffaa9b22566dd2f6a66d8864ab8afaa3762242c677cad26a4a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ddcc5f66ef7ffaa9b22566dd2f6a66d8864ab8afaa3762242c677cad26a4a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ddcc5f66ef7ffaa9b22566dd2f6a66d8864ab8afaa3762242c677cad26a4a3c", kill_on_drop: false }`
[INFO] [stdout] 5ddcc5f66ef7ffaa9b22566dd2f6a66d8864ab8afaa3762242c677cad26a4a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] daa144857aa5dbd5b0c90abaa9267f4857618fd18b343ce29b51756dd9b82f97
[INFO] running `Command { std: "docker" "start" "-a" "daa144857aa5dbd5b0c90abaa9267f4857618fd18b343ce29b51756dd9b82f97", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/main.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn run_input(input: &String) {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `start` is assigned to, but never used
[INFO] [stdout]   --> src/scanner.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut start = 0;
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_start` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]   --> src/scanner.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             start = current;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut current = 0;
[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] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut line = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bang`
[INFO] [stdout]   --> src/token_type.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Bang,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "daa144857aa5dbd5b0c90abaa9267f4857618fd18b343ce29b51756dd9b82f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa144857aa5dbd5b0c90abaa9267f4857618fd18b343ce29b51756dd9b82f97", kill_on_drop: false }`
[INFO] [stdout] daa144857aa5dbd5b0c90abaa9267f4857618fd18b343ce29b51756dd9b82f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e433ef75677de966769532db4796b0ccf04d9e87fa61c418143c265d6f4d1641
[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" "e433ef75677de966769532db4796b0ccf04d9e87fa61c418143c265d6f4d1641", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/main.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn run_input(input: &String) {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `start` is assigned to, but never used
[INFO] [stdout]   --> src/scanner.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut start = 0;
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_start` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]   --> src/scanner.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             start = current;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut current = 0;
[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] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut line = 0;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bang`
[INFO] [stdout]   --> src/token_type.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Bang,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "e433ef75677de966769532db4796b0ccf04d9e87fa61c418143c265d6f4d1641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e433ef75677de966769532db4796b0ccf04d9e87fa61c418143c265d6f4d1641", kill_on_drop: false }`
[INFO] [stdout] e433ef75677de966769532db4796b0ccf04d9e87fa61c418143c265d6f4d1641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1b62e4ee74cd557448bcebcc00fb1f6560944e37abc82093827a5ba84eba7d19
[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" "1b62e4ee74cd557448bcebcc00fb1f6560944e37abc82093827a5ba84eba7d19", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:48:14
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 48 | fn run_input(input: &String) {
[INFO] [stdout] 
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `start` is assigned to, but never used
[INFO] [stderr]   --> src/scanner.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut start = 0;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_start` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `start` is never read
[INFO] [stderr]   --> src/scanner.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             start = current;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/scanner.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut current = 0;
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/scanner.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut line = 0;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bang`
[INFO] [stderr]   --> src/token_type.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   Bang,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox-63bb98a2f90309ef)
[INFO] running `Command { std: "docker" "inspect" "1b62e4ee74cd557448bcebcc00fb1f6560944e37abc82093827a5ba84eba7d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b62e4ee74cd557448bcebcc00fb1f6560944e37abc82093827a5ba84eba7d19", kill_on_drop: false }`
[INFO] [stdout] 1b62e4ee74cd557448bcebcc00fb1f6560944e37abc82093827a5ba84eba7d19