[INFO] cloning repository https://github.com/kinseytamsin/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kinseytamsin/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16a135c1689fcaa4f2e7e4dd708630fee87ebe61
[INFO] testing kinseytamsin/rlox against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinseytamsin%2Frlox" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kinseytamsin/rlox on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kinseytamsin/rlox
[INFO] finished tweaking git repo https://github.com/kinseytamsin/rlox
[INFO] tweaked toml for git repo https://github.com/kinseytamsin/rlox written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/kinseytamsin/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0643757b04ebf54e72d4a487fc1105c81d085389cbd4573f8afce5ff90896a9
[INFO] running `Command { std: "docker" "start" "-a" "d0643757b04ebf54e72d4a487fc1105c81d085389cbd4573f8afce5ff90896a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0643757b04ebf54e72d4a487fc1105c81d085389cbd4573f8afce5ff90896a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0643757b04ebf54e72d4a487fc1105c81d085389cbd4573f8afce5ff90896a9", kill_on_drop: false }`
[INFO] [stdout] d0643757b04ebf54e72d4a487fc1105c81d085389cbd4573f8afce5ff90896a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d5f7e7be2f0f3ff4d945820600e42f1f26bc0ab5dd8f90c110b88457e859278
[INFO] running `Command { std: "docker" "start" "-a" "8d5f7e7be2f0f3ff4d945820600e42f1f26bc0ab5dd8f90c110b88457e859278", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling generate-ast v0.1.0 (/opt/rustwide/workdir/tool/generate-ast)
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling thiserror v1.0.9
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir/rlox)
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> rlox/src/token.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     kind: TokenKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lexeme`
[INFO] [stdout]   --> rlox/src/token.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     lexeme: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `literal`
[INFO] [stdout]   --> rlox/src/token.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     literal: Option<Literal<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> rlox/src/token.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     line: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "8d5f7e7be2f0f3ff4d945820600e42f1f26bc0ab5dd8f90c110b88457e859278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5f7e7be2f0f3ff4d945820600e42f1f26bc0ab5dd8f90c110b88457e859278", kill_on_drop: false }`
[INFO] [stdout] 8d5f7e7be2f0f3ff4d945820600e42f1f26bc0ab5dd8f90c110b88457e859278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3664e9c7af6763e5f59e45e8f87aecea38286f2c23bf14f4106c5e81ee6e68f
[INFO] running `Command { std: "docker" "start" "-a" "f3664e9c7af6763e5f59e45e8f87aecea38286f2c23bf14f4106c5e81ee6e68f", kill_on_drop: false }`
[INFO] [stderr]    Compiling generate-ast v0.1.0 (/opt/rustwide/workdir/tool/generate-ast)
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir/rlox)
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> rlox/src/token.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     kind: TokenKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lexeme`
[INFO] [stdout]   --> rlox/src/token.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     lexeme: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `literal`
[INFO] [stdout]   --> rlox/src/token.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     literal: Option<Literal<'a>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> rlox/src/token.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     line: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> rlox/src/token.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/generate_ast-c3ee0d4b9fc0d789)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rlox-be4d1c6d84ae8168)
[INFO] running `Command { std: "docker" "inspect" "f3664e9c7af6763e5f59e45e8f87aecea38286f2c23bf14f4106c5e81ee6e68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3664e9c7af6763e5f59e45e8f87aecea38286f2c23bf14f4106c5e81ee6e68f", kill_on_drop: false }`
[INFO] [stdout] f3664e9c7af6763e5f59e45e8f87aecea38286f2c23bf14f4106c5e81ee6e68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38578f5a3cb61d04374006424d5b842c55b7aac181ac754b53d2299b2f7ba303
[INFO] running `Command { std: "docker" "start" "-a" "38578f5a3cb61d04374006424d5b842c55b7aac181ac754b53d2299b2f7ba303", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `kind`
[INFO] [stderr]   --> rlox/src/token.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     kind: TokenKind,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> rlox/src/token.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lexeme`
[INFO] [stderr]   --> rlox/src/token.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     lexeme: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> rlox/src/token.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `literal`
[INFO] [stderr]   --> rlox/src/token.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     literal: Option<Literal<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> rlox/src/token.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]   --> rlox/src/token.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     line: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> rlox/src/token.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/generate_ast-c3ee0d4b9fc0d789)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rlox-be4d1c6d84ae8168)
[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] [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" "38578f5a3cb61d04374006424d5b842c55b7aac181ac754b53d2299b2f7ba303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38578f5a3cb61d04374006424d5b842c55b7aac181ac754b53d2299b2f7ba303", kill_on_drop: false }`
[INFO] [stdout] 38578f5a3cb61d04374006424d5b842c55b7aac181ac754b53d2299b2f7ba303