[INFO] cloning repository https://github.com/F0903/cahlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/F0903/cahlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF0903%2Fcahlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF0903%2Fcahlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6cd625a38a78957b4ceede0049c14f621581b9a
[INFO] testing F0903/cahlang 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%2FF0903%2Fcahlang" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/F0903/cahlang 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/F0903/cahlang
[INFO] finished tweaking git repo https://github.com/F0903/cahlang
[INFO] tweaked toml for git repo https://github.com/F0903/cahlang written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/F0903/cahlang 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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 08b20a62bf394e6af285b8664c1928d821507e739d004d94e6909ffcdfab4598
[INFO] running `Command { std: "docker" "start" "-a" "08b20a62bf394e6af285b8664c1928d821507e739d004d94e6909ffcdfab4598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08b20a62bf394e6af285b8664c1928d821507e739d004d94e6909ffcdfab4598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b20a62bf394e6af285b8664c1928d821507e739d004d94e6909ffcdfab4598", kill_on_drop: false }`
[INFO] [stdout] 08b20a62bf394e6af285b8664c1928d821507e739d004d94e6909ffcdfab4598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ef089f619e4c90ef9af0420b2e84859bbb5cb32548d717e14fe4d02ee90ae9be
[INFO] running `Command { std: "docker" "start" "-a" "ef089f619e4c90ef9af0420b2e84859bbb5cb32548d717e14fe4d02ee90ae9be", kill_on_drop: false }`
[INFO] [stderr]    Compiling cahlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/parser.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         lines: &LineReader,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword_line`
[INFO] [stdout]    --> src/parser.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         keyword_line: impl AsRef<str>,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/parser.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         vm: &mut VirtualMachine,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `High`
[INFO] [stdout]   --> src/operators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     High,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[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: variant is never constructed: `Highest`
[INFO] [stdout]   --> src/operators.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Highest,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[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: associated function is never used: `execute_file`
[INFO] [stdout]    --> src/vm.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn execute_file(&mut self, path: impl AsRef<str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "ef089f619e4c90ef9af0420b2e84859bbb5cb32548d717e14fe4d02ee90ae9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef089f619e4c90ef9af0420b2e84859bbb5cb32548d717e14fe4d02ee90ae9be", kill_on_drop: false }`
[INFO] [stdout] ef089f619e4c90ef9af0420b2e84859bbb5cb32548d717e14fe4d02ee90ae9be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] d4290299efa40717f6ba14904a20ebad9d010f25a3319b9e4db34a3202e0d154
[INFO] running `Command { std: "docker" "start" "-a" "d4290299efa40717f6ba14904a20ebad9d010f25a3319b9e4db34a3202e0d154", kill_on_drop: false }`
[INFO] [stderr]    Compiling cahlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/parser.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         lines: &LineReader,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyword_line`
[INFO] [stdout]    --> src/parser.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         keyword_line: impl AsRef<str>,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/parser.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         vm: &mut VirtualMachine,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `High`
[INFO] [stdout]   --> src/operators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     High,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[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: variant is never constructed: `Highest`
[INFO] [stdout]   --> src/operators.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Highest,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/operators.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[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: associated function is never used: `execute_file`
[INFO] [stdout]    --> src/vm.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn execute_file(&mut self, path: impl AsRef<str>) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cahlang-d91a6a8abd39fe45)
[INFO] running `Command { std: "docker" "inspect" "d4290299efa40717f6ba14904a20ebad9d010f25a3319b9e4db34a3202e0d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4290299efa40717f6ba14904a20ebad9d010f25a3319b9e4db34a3202e0d154", kill_on_drop: false }`
[INFO] [stdout] d4290299efa40717f6ba14904a20ebad9d010f25a3319b9e4db34a3202e0d154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 174c8cfb7e326090f7086661d28ab15b9bfb63ad1d6b5a04e9bedc5ec4054a8a
[INFO] running `Command { std: "docker" "start" "-a" "174c8cfb7e326090f7086661d28ab15b9bfb63ad1d6b5a04e9bedc5ec4054a8a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `lines`
[INFO] [stderr]    --> src/parser.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         lines: &LineReader,
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `keyword_line`
[INFO] [stderr]    --> src/parser.rs:355:9
[INFO] [stderr]     |
[INFO] [stderr] 355 |         keyword_line: impl AsRef<str>,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyword_line`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/parser.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |         vm: &mut VirtualMachine,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `High`
[INFO] [stderr]   --> src/operators.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     High,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/operators.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[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: variant is never constructed: `Highest`
[INFO] [stderr]   --> src/operators.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Highest,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `OperatorPriority` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/operators.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug, PartialEq, PartialOrd, Clone, Copy)]
[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: associated function is never used: `execute_file`
[INFO] [stderr]    --> src/vm.rs:122:12
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn execute_file(&mut self, path: impl AsRef<str>) -> Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cahlang` (bin "cahlang" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cahlang-d91a6a8abd39fe45)
[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" "174c8cfb7e326090f7086661d28ab15b9bfb63ad1d6b5a04e9bedc5ec4054a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174c8cfb7e326090f7086661d28ab15b9bfb63ad1d6b5a04e9bedc5ec4054a8a", kill_on_drop: false }`
[INFO] [stdout] 174c8cfb7e326090f7086661d28ab15b9bfb63ad1d6b5a04e9bedc5ec4054a8a