[INFO] cloning repository https://github.com/dotjpg3141/simple_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotjpg3141/simple_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfae46d61aaab41cf530750af2c332cf297a86fb
[INFO] checking dotjpg3141/simple_lang against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dotjpg3141/simple_lang on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dotjpg3141/simple_lang
[INFO] finished tweaking git repo https://github.com/dotjpg3141/simple_lang
[INFO] tweaked toml for git repo https://github.com/dotjpg3141/simple_lang written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dotjpg3141/simple_lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 06ffd345bce82bb608a077c666ffaa990407bbd5cba4762a684c05e3299f1b10
[INFO] running `Command { std: "docker" "start" "-a" "06ffd345bce82bb608a077c666ffaa990407bbd5cba4762a684c05e3299f1b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ffd345bce82bb608a077c666ffaa990407bbd5cba4762a684c05e3299f1b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ffd345bce82bb608a077c666ffaa990407bbd5cba4762a684c05e3299f1b10", kill_on_drop: false }`
[INFO] [stdout] 06ffd345bce82bb608a077c666ffaa990407bbd5cba4762a684c05e3299f1b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 51980e8237fc4b7c640af684f7aef5b4df494b7fee48b4c8a7a94150c9f72930
[INFO] running `Command { std: "docker" "start" "-a" "51980e8237fc4b7c640af684f7aef5b4df494b7fee48b4c8a7a94150c9f72930", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking simple_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simplelang/lexer.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ('0' <= c && c <= '9')
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simplelang/lexer.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ('0' <= c && c <= '9')
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[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/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[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/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / lazy_static! {
[INFO] [stdout] 6  | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout] 7  | |         let mut map = HashMap::new();
[INFO] [stdout] 8  | |
[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 constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / lazy_static! {
[INFO] [stdout] 6  | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout] 7  | |         let mut map = HashMap::new();
[INFO] [stdout] 8  | |
[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 constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[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/simplelang/lexer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / lazy_static! {
[INFO] [stdout] 11 | |     static ref KEYWORD_MAPPING: HashMap<&'static str, TokenKind> = {
[INFO] [stdout] 12 | |         map! {
[INFO] [stdout] 13 | |             "fn" => TokenKind::FnKeyword
[INFO] [stdout] 14 | |         }
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[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/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / lazy_static! {
[INFO] [stdout] 6  | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout] 7  | |         let mut map = HashMap::new();
[INFO] [stdout] 8  | |
[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 constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/simplelang/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / lazy_static! {
[INFO] [stdout] 6  | |     static ref OPERATORS: HashMap<TokenKind, OperatorInfo> = {
[INFO] [stdout] 7  | |         let mut map = HashMap::new();
[INFO] [stdout] 8  | |
[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: associated function is never used: `from_slice`
[INFO] [stdout]   --> src/simplelang/indexed_slice.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn from_slice(slice: &'a [T]) -> Self {
[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: `at_range`
[INFO] [stdout]   --> src/simplelang/mod.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at_range`
[INFO] [stdout]   --> src/simplelang/mod.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "51980e8237fc4b7c640af684f7aef5b4df494b7fee48b4c8a7a94150c9f72930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51980e8237fc4b7c640af684f7aef5b4df494b7fee48b4c8a7a94150c9f72930", kill_on_drop: false }`
[INFO] [stdout] 51980e8237fc4b7c640af684f7aef5b4df494b7fee48b4c8a7a94150c9f72930