[INFO] cloning repository https://github.com/stroxler/sltf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stroxler/sltf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstroxler%2Fsltf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstroxler%2Fsltf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94604de9e6e213c8723ce4f831a1fae995174758
[INFO] checking stroxler/sltf against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstroxler%2Fsltf" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stroxler/sltf on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stroxler/sltf
[INFO] finished tweaking git repo https://github.com/stroxler/sltf
[INFO] tweaked toml for git repo https://github.com/stroxler/sltf written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stroxler/sltf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24c156029c8775c9be6e64e177560856ead03949cbd03562b5abce2377e448fe
[INFO] running `Command { std: "docker" "start" "-a" "24c156029c8775c9be6e64e177560856ead03949cbd03562b5abce2377e448fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c156029c8775c9be6e64e177560856ead03949cbd03562b5abce2377e448fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c156029c8775c9be6e64e177560856ead03949cbd03562b5abce2377e448fe", kill_on_drop: false }`
[INFO] [stdout] 24c156029c8775c9be6e64e177560856ead03949cbd03562b5abce2377e448fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a746362c19e839ccb8ba40734135a08b46319e24776ac22b42444c297fc0c1
[INFO] running `Command { std: "docker" "start" "-a" "a3a746362c19e839ccb8ba40734135a08b46319e24776ac22b42444c297fc0c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking sltf_parse v0.1.0 (/opt/rustwide/workdir/sltf_parse)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> sltf_parse/src/parse.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super ::*`
[INFO] [stdout]   --> sltf_parse/src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use super ::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> sltf_parse/src/parse.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Prim`
[INFO] [stdout]  --> sltf_parse/src/parse.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::tok_ast::{Tok, Prim, Ast, Atom};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NUMBER` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let NUMBER: &str = r"-?[0-9]+";
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SYMBOL` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let SYMBOL: &str = r#"[^"0-9\s][^"\s]*"#;
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `STRING` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let STRING: &str = r#""((?:\\.|[^\\"])*)""#;
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `STRING_NOCAP` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let STRING_NOCAP: &str = r#""(?:\\.|[^\\"])*""#;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `string_nocap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DELIMITER` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let DELIMITER: &str = r";|:";
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `delimiter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sltf_vm v0.1.0 (/opt/rustwide/workdir/sltf_vm)
[INFO] [stdout] warning: variable `NUMBER` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let NUMBER: &str = r"-?[0-9]+";
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SYMBOL` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let SYMBOL: &str = r#"[^"0-9\s][^"\s]*"#;
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `STRING` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let STRING: &str = r#""((?:\\.|[^\\"])*)""#;
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `STRING_NOCAP` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let STRING_NOCAP: &str = r#""(?:\\.|[^\\"])*""#;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `string_nocap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DELIMITER` should have a snake case name
[INFO] [stdout]   --> sltf_parse/src/lex.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let DELIMITER: &str = r";|:";
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `delimiter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Either`, `Right`
[INFO] [stdout]  --> sltf_vm/src/builtin_words.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use either::{Either, Left, Right};
[INFO] [stdout]   |              ^^^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Either`, `Right`
[INFO] [stdout]  --> sltf_vm/src/builtin_words.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use either::{Either, Left, Right};
[INFO] [stdout]   |              ^^^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> sltf_vm/src/builtin_words.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if (stack.len() < 2) {
[INFO] [stdout]    |        ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -     if (stack.len() < 2) {
[INFO] [stdout] 43 +     if stack.len() < 2 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> sltf_vm/src/builtin_words.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if (stack.len() < 2) {
[INFO] [stdout]    |        ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -     if (stack.len() < 2) {
[INFO] [stdout] 43 +     if stack.len() < 2 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcase_run_n` is never used
[INFO] [stdout]    --> sltf_vm/src/lib.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn tcase_run_n(prog: Vec<Ast>,
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sltf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcase_from_init` is never used
[INFO] [stdout]   --> src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn tcase_from_init(init: &str,
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "a3a746362c19e839ccb8ba40734135a08b46319e24776ac22b42444c297fc0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a746362c19e839ccb8ba40734135a08b46319e24776ac22b42444c297fc0c1", kill_on_drop: false }`
[INFO] [stdout] a3a746362c19e839ccb8ba40734135a08b46319e24776ac22b42444c297fc0c1