[INFO] cloning repository https://github.com/crazymerlyn/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crazymerlyn/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazymerlyn%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazymerlyn%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63cc32f392b0aae7ee037d8742f7c831ba824656
[INFO] checking crazymerlyn/rlox against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrazymerlyn%2Frlox" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crazymerlyn/rlox on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crazymerlyn/rlox
[INFO] finished tweaking git repo https://github.com/crazymerlyn/rlox
[INFO] tweaked toml for git repo https://github.com/crazymerlyn/rlox written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/crazymerlyn/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] fbcd042d409afcfd7d3ec118005089dea044980335c3008f4270e49f932a53ef
[INFO] running `Command { std: "docker" "start" "-a" "fbcd042d409afcfd7d3ec118005089dea044980335c3008f4270e49f932a53ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbcd042d409afcfd7d3ec118005089dea044980335c3008f4270e49f932a53ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbcd042d409afcfd7d3ec118005089dea044980335c3008f4270e49f932a53ef", kill_on_drop: false }`
[INFO] [stdout] fbcd042d409afcfd7d3ec118005089dea044980335c3008f4270e49f932a53ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--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] c4c9cbd44ffeb6798485cceb750b10ea3f6802881871e733d478be6a9456b317
[INFO] running `Command { std: "docker" "start" "-a" "c4c9cbd44ffeb6798485cceb750b10ea3f6802881871e733d478be6a9456b317", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.11.0-rc.2
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     errors {
[INFO] [stdout] 7  | |         ScanError(line: usize, t: String) {
[INFO] [stdout] 8  | |             description("Invalid syntax")
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / lazy_static! {
[INFO] [stdout] 7  | |     static ref KEYWORDS: HashMap<String, TokenType> = {
[INFO] [stdout] 8  | |         let mut k = HashMap::new();
[INFO] [stdout] 9  | |         k.insert("and".to_string(), TokenType::And);
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / lazy_static! {
[INFO] [stdout] 7  | |     static ref KEYWORDS: HashMap<String, TokenType> = {
[INFO] [stdout] 8  | |         let mut k = HashMap::new();
[INFO] [stdout] 9  | |         k.insert("and".to_string(), TokenType::And);
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     errors {
[INFO] [stdout] 7  | |         ScanError(line: usize, t: String) {
[INFO] [stdout] 8  | |             description("Invalid syntax")
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / lazy_static! {
[INFO] [stdout] 7  | |     static ref KEYWORDS: HashMap<String, TokenType> = {
[INFO] [stdout] 8  | |         let mut k = HashMap::new();
[INFO] [stdout] 9  | |         k.insert("and".to_string(), TokenType::And);
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / lazy_static! {
[INFO] [stdout] 7  | |     static ref KEYWORDS: HashMap<String, TokenType> = {
[INFO] [stdout] 8  | |         let mut k = HashMap::new();
[INFO] [stdout] 9  | |         k.insert("and".to_string(), TokenType::And);
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     errors {
[INFO] [stdout] 7  | |         ScanError(line: usize, t: String) {
[INFO] [stdout] 8  | |             description("Invalid syntax")
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / error_chain! {
[INFO] [stdout] 6  | |     errors {
[INFO] [stdout] 7  | |         ScanError(line: usize, t: String) {
[INFO] [stdout] 8  | |             description("Invalid syntax")
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.45s
[INFO] running `Command { std: "docker" "inspect" "c4c9cbd44ffeb6798485cceb750b10ea3f6802881871e733d478be6a9456b317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c9cbd44ffeb6798485cceb750b10ea3f6802881871e733d478be6a9456b317", kill_on_drop: false }`
[INFO] [stdout] c4c9cbd44ffeb6798485cceb750b10ea3f6802881871e733d478be6a9456b317