[INFO] cloning repository https://github.com/chirsz-ever/cminus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chirsz-ever/cminus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirsz-ever%2Fcminus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirsz-ever%2Fcminus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72bc799191dfeec09dc8032b18b0db58215baab5
[INFO] checking chirsz-ever/cminus against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchirsz-ever%2Fcminus" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chirsz-ever/cminus
[INFO] finished tweaking git repo https://github.com/chirsz-ever/cminus
[INFO] tweaked toml for git repo https://github.com/chirsz-ever/cminus written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chirsz-ever/cminus on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chirsz-ever/cminus 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 847302da01b597f9821354c708e2663d0a2e53cc140c8913e3c42d5d2447b583
[INFO] running `Command { std: "docker" "start" "-a" "847302da01b597f9821354c708e2663d0a2e53cc140c8913e3c42d5d2447b583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "847302da01b597f9821354c708e2663d0a2e53cc140c8913e3c42d5d2447b583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847302da01b597f9821354c708e2663d0a2e53cc140c8913e3c42d5d2447b583", kill_on_drop: false }`
[INFO] [stdout] 847302da01b597f9821354c708e2663d0a2e53cc140c8913e3c42d5d2447b583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2019d726c1ea2f8dbfb7d928444b059b0d707f7ee35cfd672842db129433d6ae
[INFO] running `Command { std: "docker" "start" "-a" "2019d726c1ea2f8dbfb7d928444b059b0d707f7ee35cfd672842db129433d6ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling serde v1.0.104
[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 thread_local v0.3.6
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling cminus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:4581:5
[INFO] [stdout]      |
[INFO] [stdout] 4581 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4581 -     (__0)
[INFO] [stdout] 4581 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:4899:5
[INFO] [stdout]      |
[INFO] [stdout] 4899 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4899 -     (__0)
[INFO] [stdout] 4899 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:4910:5
[INFO] [stdout]      |
[INFO] [stdout] 4910 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4910 -     (__0)
[INFO] [stdout] 4910 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5297:5
[INFO] [stdout]      |
[INFO] [stdout] 5297 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5297 -     (__0)
[INFO] [stdout] 5297 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5308:5
[INFO] [stdout]      |
[INFO] [stdout] 5308 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5308 -     (__0)
[INFO] [stdout] 5308 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5343:5
[INFO] [stdout]      |
[INFO] [stdout] 5343 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5343 -     (__0)
[INFO] [stdout] 5343 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5354:5
[INFO] [stdout]      |
[INFO] [stdout] 5354 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5354 -     (__0)
[INFO] [stdout] 5354 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5400:5
[INFO] [stdout]      |
[INFO] [stdout] 5400 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5400 -     (__0)
[INFO] [stdout] 5400 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:4581:5
[INFO] [stdout]      |
[INFO] [stdout] 4581 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4581 -     (__0)
[INFO] [stdout] 4581 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:4899:5
[INFO] [stdout]      |
[INFO] [stdout] 4899 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4899 -     (__0)
[INFO] [stdout] 4899 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:4910:5
[INFO] [stdout]      |
[INFO] [stdout] 4910 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4910 -     (__0)
[INFO] [stdout] 4910 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5297:5
[INFO] [stdout]      |
[INFO] [stdout] 5297 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5297 -     (__0)
[INFO] [stdout] 5297 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5308:5
[INFO] [stdout]      |
[INFO] [stdout] 5308 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5308 -     (__0)
[INFO] [stdout] 5308 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5343:5
[INFO] [stdout]      |
[INFO] [stdout] 5343 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5343 -     (__0)
[INFO] [stdout] 5343 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5354:5
[INFO] [stdout]      |
[INFO] [stdout] 5354 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5354 -     (__0)
[INFO] [stdout] 5354 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:5400:5
[INFO] [stdout]      |
[INFO] [stdout] 5400 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5400 -     (__0)
[INFO] [stdout] 5400 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:44:61
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn ident(ident: &'input str, location: Location) -> ASTNode {
[INFO] [stdout]    |                          ------ the lifetime is named here  ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'input`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn ident(ident: &'input str, location: Location) -> ASTNode<'input> {
[INFO] [stdout]    |                                                                    ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn parse(source: &str) -> Lexer {
[INFO] [stdout]     |                          ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn parse(source: &str) -> Lexer<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(lexer::Location, lexer::Token<'_>, lexer::Location), LexicalError>
[INFO] [stdout]    --> src/lexer.rs:148:22
[INFO] [stdout]     |
[INFO] [stdout] 148 |           pair.map(|p| {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 149 | |             let (start, end) = span_to_loc(p.as_span());
[INFO] [stdout] 150 | |             let tok = match p.as_rule() {
[INFO] [stdout] 151 | |                 Rule::RELOP => Token::RELOP(p.as_str()),
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |             Ok((start, tok, end))
[INFO] [stdout] 167 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(lexer::Location, lexer::Token<'_>, lexer::Location), LexicalError>
[INFO] [stdout]    --> src/lexer.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             Ok((start, tok, end))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(lexer::Location, lexer::Token<'_>, lexer::Location), LexicalError>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:6529:15
[INFO] [stdout]      |
[INFO] [stdout] 6529 |         match value {
[INFO] [stdout]      |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cminus` (bin "cminus" test) due to 3 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:44:61
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn ident(ident: &'input str, location: Location) -> ASTNode {
[INFO] [stdout]    |                          ------ the lifetime is named here  ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'input`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn ident(ident: &'input str, location: Location) -> ASTNode<'input> {
[INFO] [stdout]    |                                                                    ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn parse(source: &str) -> Lexer {
[INFO] [stdout]     |                          ^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn parse(source: &str) -> Lexer<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(lexer::Location, lexer::Token<'_>, lexer::Location), LexicalError>
[INFO] [stdout]    --> src/lexer.rs:148:22
[INFO] [stdout]     |
[INFO] [stdout] 148 |           pair.map(|p| {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 149 | |             let (start, end) = span_to_loc(p.as_span());
[INFO] [stdout] 150 | |             let tok = match p.as_rule() {
[INFO] [stdout] 151 | |                 Rule::RELOP => Token::RELOP(p.as_str()),
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |             Ok((start, tok, end))
[INFO] [stdout] 167 | |         })
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(lexer::Location, lexer::Token<'_>, lexer::Location), LexicalError>
[INFO] [stdout]    --> src/lexer.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             Ok((start, tok, end))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(lexer::Location, lexer::Token<'_>, lexer::Location), LexicalError>
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/cminus-a430e505ab8222e3/out/parser.rs:6529:15
[INFO] [stdout]      |
[INFO] [stdout] 6529 |         match value {
[INFO] [stdout]      |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cminus` (bin "cminus") due to 3 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2019d726c1ea2f8dbfb7d928444b059b0d707f7ee35cfd672842db129433d6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2019d726c1ea2f8dbfb7d928444b059b0d707f7ee35cfd672842db129433d6ae", kill_on_drop: false }`
[INFO] [stdout] 2019d726c1ea2f8dbfb7d928444b059b0d707f7ee35cfd672842db129433d6ae
