[INFO] cloning repository https://github.com/calebzulawski/vellum-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebzulawski/vellum-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c303fe1c281e4e88d4c106f9abe9ddadadf00fe
[INFO] testing calebzulawski/vellum-lang against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calebzulawski/vellum-lang on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calebzulawski/vellum-lang
[INFO] finished tweaking git repo https://github.com/calebzulawski/vellum-lang
[INFO] tweaked toml for git repo https://github.com/calebzulawski/vellum-lang written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/calebzulawski/vellum-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62adab1494f3eea4ff53a0a0ddc8fd9097f408057afd82c8d0ce217b8539ccb1
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[INFO] running `Command { std: "docker" "inspect" "62adab1494f3eea4ff53a0a0ddc8fd9097f408057afd82c8d0ce217b8539ccb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62adab1494f3eea4ff53a0a0ddc8fd9097f408057afd82c8d0ce217b8539ccb1", kill_on_drop: false }`
[INFO] [stdout] 62adab1494f3eea4ff53a0a0ddc8fd9097f408057afd82c8d0ce217b8539ccb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cea7454f50d0eaa7f5dac60e5e6a2091fc7e6354f736aab8c82a67b956b5867
[INFO] running `Command { std: "docker" "start" "-a" "0cea7454f50d0eaa7f5dac60e5e6a2091fc7e6354f736aab8c82a67b956b5867", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling vellum-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[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]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2711:5
[INFO] [stdout]      |
[INFO] [stdout] 2711 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2722:5
[INFO] [stdout]      |
[INFO] [stdout] 2722 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2733:5
[INFO] [stdout]      |
[INFO] [stdout] 2733 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2801:5
[INFO] [stdout]      |
[INFO] [stdout] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:405:16
[INFO] [stdout]     |
[INFO] [stdout] 405 |         pub fn new() -> AssignParser {
[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: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:1251:16
[INFO] [stdout]      |
[INFO] [stdout] 1251 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2127:16
[INFO] [stdout]      |
[INFO] [stdout] 2127 |         pub fn new() -> StmtParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2623:16
[INFO] [stdout]      |
[INFO] [stdout] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "0cea7454f50d0eaa7f5dac60e5e6a2091fc7e6354f736aab8c82a67b956b5867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cea7454f50d0eaa7f5dac60e5e6a2091fc7e6354f736aab8c82a67b956b5867", kill_on_drop: false }`
[INFO] [stdout] 0cea7454f50d0eaa7f5dac60e5e6a2091fc7e6354f736aab8c82a67b956b5867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22037813cfd30b3fbf02ec0ecf63b7dd844230783f3b79f4ff13fd6516c98de4
[INFO] running `Command { std: "docker" "start" "-a" "22037813cfd30b3fbf02ec0ecf63b7dd844230783f3b79f4ff13fd6516c98de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling vellum-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[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]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2711:5
[INFO] [stdout]      |
[INFO] [stdout] 2711 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2722:5
[INFO] [stdout]      |
[INFO] [stdout] 2722 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2733:5
[INFO] [stdout]      |
[INFO] [stdout] 2733 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2801:5
[INFO] [stdout]      |
[INFO] [stdout] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:405:16
[INFO] [stdout]     |
[INFO] [stdout] 405 |         pub fn new() -> AssignParser {
[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: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:1251:16
[INFO] [stdout]      |
[INFO] [stdout] 1251 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2127:16
[INFO] [stdout]      |
[INFO] [stdout] 2127 |         pub fn new() -> StmtParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2623:16
[INFO] [stdout]      |
[INFO] [stdout] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[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]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2711:5
[INFO] [stdout]      |
[INFO] [stdout] 2711 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2722:5
[INFO] [stdout]      |
[INFO] [stdout] 2722 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2733:5
[INFO] [stdout]      |
[INFO] [stdout] 2733 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2801:5
[INFO] [stdout]      |
[INFO] [stdout] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:405:16
[INFO] [stdout]     |
[INFO] [stdout] 405 |         pub fn new() -> AssignParser {
[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: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:1251:16
[INFO] [stdout]      |
[INFO] [stdout] 1251 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2127:16
[INFO] [stdout]      |
[INFO] [stdout] 2127 |         pub fn new() -> StmtParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2623:16
[INFO] [stdout]      |
[INFO] [stdout] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "22037813cfd30b3fbf02ec0ecf63b7dd844230783f3b79f4ff13fd6516c98de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22037813cfd30b3fbf02ec0ecf63b7dd844230783f3b79f4ff13fd6516c98de4", kill_on_drop: false }`
[INFO] [stdout] 22037813cfd30b3fbf02ec0ecf63b7dd844230783f3b79f4ff13fd6516c98de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82037c4512ab115f1d3434aff3725617f41b2d0dece6ffaa8a4ec685f98ba48d
[INFO] running `Command { std: "docker" "start" "-a" "82037c4512ab115f1d3434aff3725617f41b2d0dece6ffaa8a4ec685f98ba48d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:3:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2711:5
[INFO] [stderr]      |
[INFO] [stderr] 2711 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2722:5
[INFO] [stderr]      |
[INFO] [stderr] 2722 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2733:5
[INFO] [stderr]      |
[INFO] [stderr] 2733 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2801:5
[INFO] [stderr]      |
[INFO] [stderr] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:405:16
[INFO] [stderr]     |
[INFO] [stderr] 405 |         pub fn new() -> AssignParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:1251:16
[INFO] [stderr]      |
[INFO] [stderr] 1251 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2127:16
[INFO] [stderr]      |
[INFO] [stderr] 2127 |         pub fn new() -> StmtParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2623:16
[INFO] [stderr]      |
[INFO] [stderr] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2711:5
[INFO] [stderr]      |
[INFO] [stderr] 2711 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2722:5
[INFO] [stderr]      |
[INFO] [stderr] 2722 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2733:5
[INFO] [stderr]      |
[INFO] [stderr] 2733 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2801:5
[INFO] [stderr]      |
[INFO] [stderr] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:405:16
[INFO] [stderr]     |
[INFO] [stderr] 405 |         pub fn new() -> AssignParser {
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:1251:16
[INFO] [stderr]      |
[INFO] [stderr] 1251 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2127:16
[INFO] [stderr]      |
[INFO] [stderr] 2127 |         pub fn new() -> StmtParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2623:16
[INFO] [stderr]      |
[INFO] [stderr] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vellum_lang-ec7d09cae0a341fd)
[INFO] [stderr]    Doc-tests vellum-lang
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2711:5
[INFO] [stderr]      |
[INFO] [stderr] 2711 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2722:5
[INFO] [stderr]      |
[INFO] [stderr] 2722 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2733:5
[INFO] [stderr]      |
[INFO] [stderr] 2733 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-7920c2ce0012561d/out/grammar.rs:2801:5
[INFO] [stderr]      |
[INFO] [stderr] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82037c4512ab115f1d3434aff3725617f41b2d0dece6ffaa8a4ec685f98ba48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82037c4512ab115f1d3434aff3725617f41b2d0dece6ffaa8a4ec685f98ba48d", kill_on_drop: false }`
[INFO] [stdout] 82037c4512ab115f1d3434aff3725617f41b2d0dece6ffaa8a4ec685f98ba48d