[INFO] cloning repository https://github.com/jameshiew/crust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jameshiew/crust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameshiew%2Fcrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameshiew%2Fcrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f14616799c78c518489ed4ba5c6b65db64ed3ac
[INFO] checking jameshiew/crust against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjameshiew%2Fcrust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jameshiew/crust on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jameshiew/crust
[INFO] finished tweaking git repo https://github.com/jameshiew/crust
[INFO] tweaked toml for git repo https://github.com/jameshiew/crust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jameshiew/crust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24af7b7288bae8020d19dba270ef541c300582040224fd6e707a767fab26b469
[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" "24af7b7288bae8020d19dba270ef541c300582040224fd6e707a767fab26b469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24af7b7288bae8020d19dba270ef541c300582040224fd6e707a767fab26b469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24af7b7288bae8020d19dba270ef541c300582040224fd6e707a767fab26b469", kill_on_drop: false }`
[INFO] [stdout] 24af7b7288bae8020d19dba270ef541c300582040224fd6e707a767fab26b469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e99d6e03540c8df28dba63cb00bd498d74d6d4ebf9da7fdee6e742b09f7204f4
[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" "e99d6e03540c8df28dba63cb00bd498d74d6d4ebf9da7fdee6e742b09f7204f4", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking crust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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/lexer.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         lazy_static! {
[INFO] [stdout] 42 | |             static ref INT_KEYWORD: Regex = Regex::new(r"^int$").unwrap();
[INFO] [stdout] 43 | |             static ref RETURN_KEYWORD: Regex = Regex::new(r"^return$").unwrap();
[INFO] [stdout] 44 | |             static ref IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*$").unwrap();
[INFO] [stdout] 45 | |             static ref INTEGER_LITERAL: Regex = Regex::new(r"^[0-9]+$").unwrap();
[INFO] [stdout] 46 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     message: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     message: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "e99d6e03540c8df28dba63cb00bd498d74d6d4ebf9da7fdee6e742b09f7204f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99d6e03540c8df28dba63cb00bd498d74d6d4ebf9da7fdee6e742b09f7204f4", kill_on_drop: false }`
[INFO] [stdout] e99d6e03540c8df28dba63cb00bd498d74d6d4ebf9da7fdee6e742b09f7204f4