[INFO] cloning repository https://github.com/arlindohall/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arlindohall/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlindohall%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlindohall%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 001cc9d3c41580b5dbddfa4e7049c4e630734459
[INFO] testing arlindohall/rlox against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlindohall%2Frlox" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arlindohall/rlox on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arlindohall/rlox
[INFO] finished tweaking git repo https://github.com/arlindohall/rlox
[INFO] tweaked toml for git repo https://github.com/arlindohall/rlox written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/arlindohall/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d91444bc4215f1b35119d456cfafe4334169e68358169610f6f726cf0aafd289
[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" "d91444bc4215f1b35119d456cfafe4334169e68358169610f6f726cf0aafd289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d91444bc4215f1b35119d456cfafe4334169e68358169610f6f726cf0aafd289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91444bc4215f1b35119d456cfafe4334169e68358169610f6f726cf0aafd289", kill_on_drop: false }`
[INFO] [stdout] d91444bc4215f1b35119d456cfafe4334169e68358169610f6f726cf0aafd289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c03fa8548bb20b8a751c94ec1e2429f720006fe96e685ac8bd150dc229b1f2f
[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" "5c03fa8548bb20b8a751c94ec1e2429f720006fe96e685ac8bd150dc229b1f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_number`
[INFO] [stdout]   --> src/lox.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_number(&self) -> Option<&f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_string`
[INFO] [stdout]   --> src/lox.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_string(&self) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]    --> src/lox.rs:339:5
[INFO] [stdout]     |
[INFO] [stdout] 339 |     line: LineNumber,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "5c03fa8548bb20b8a751c94ec1e2429f720006fe96e685ac8bd150dc229b1f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c03fa8548bb20b8a751c94ec1e2429f720006fe96e685ac8bd150dc229b1f2f", kill_on_drop: false }`
[INFO] [stdout] 5c03fa8548bb20b8a751c94ec1e2429f720006fe96e685ac8bd150dc229b1f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97fc953ae7c91dbb3fc142d6dd9b1e9f237b41bb886b5144c4bbfd9e036a7b8e
[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" "97fc953ae7c91dbb3fc142d6dd9b1e9f237b41bb886b5144c4bbfd9e036a7b8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_number`
[INFO] [stdout]   --> src/lox.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_number(&self) -> Option<&f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_string`
[INFO] [stdout]   --> src/lox.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_string(&self) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]    --> src/lox.rs:339:5
[INFO] [stdout]     |
[INFO] [stdout] 339 |     line: LineNumber,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_number`
[INFO] [stdout]   --> src/lox.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn get_number(&self) -> Option<&f64> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_string`
[INFO] [stdout]   --> src/lox.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn get_string(&self) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]    --> src/lox.rs:339:5
[INFO] [stdout]     |
[INFO] [stdout] 339 |     line: LineNumber,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "97fc953ae7c91dbb3fc142d6dd9b1e9f237b41bb886b5144c4bbfd9e036a7b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fc953ae7c91dbb3fc142d6dd9b1e9f237b41bb886b5144c4bbfd9e036a7b8e", kill_on_drop: false }`
[INFO] [stdout] 97fc953ae7c91dbb3fc142d6dd9b1e9f237b41bb886b5144c4bbfd9e036a7b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b6418ca60a62ebd9593b403fc7748cf9e01d73ca0d1287404aa53ba63a0b802
[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" "1b6418ca60a62ebd9593b403fc7748cf9e01d73ca0d1287404aa53ba63a0b802", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `get_number`
[INFO] [stdout] 
[INFO] [stderr]   --> src/lox.rs:68:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 68 |     fn get_number(&self) -> Option<&f64> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_string`
[INFO] [stderr]   --> src/lox.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn get_string(&self) -> Option<&str> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]    --> src/lox.rs:339:5
[INFO] [stderr]     |
[INFO] [stderr] 339 |     line: LineNumber,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_number`
[INFO] [stderr]   --> src/lox.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn get_number(&self) -> Option<&f64> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_string`
[INFO] [stderr]   --> src/lox.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn get_string(&self) -> Option<&str> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]    --> src/lox.rs:339:5
[INFO] [stderr]     |
[INFO] [stderr] 339 |     line: LineNumber,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-5570a5044fcae9a5
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-7b9b9d82cb3b25f7
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rlox
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b6418ca60a62ebd9593b403fc7748cf9e01d73ca0d1287404aa53ba63a0b802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6418ca60a62ebd9593b403fc7748cf9e01d73ca0d1287404aa53ba63a0b802", kill_on_drop: false }`
[INFO] [stdout] 1b6418ca60a62ebd9593b403fc7748cf9e01d73ca0d1287404aa53ba63a0b802