[INFO] cloning repository https://github.com/alflanagan/nl-find
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alflanagan/nl-find" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falflanagan%2Fnl-find", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falflanagan%2Fnl-find'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 260dadf258e319b82e44b5b93e789b1d84be819d
[INFO] checking alflanagan/nl-find 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%2Falflanagan%2Fnl-find" "/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/alflanagan/nl-find
[INFO] finished tweaking git repo https://github.com/alflanagan/nl-find
[INFO] tweaked toml for git repo https://github.com/alflanagan/nl-find written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alflanagan/nl-find 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/alflanagan/nl-find 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] 1a4558869d154cbe0e571ba3fe374d70dae33345c56d2fcb8df0e5183408ef4c
[INFO] running `Command { std: "docker" "start" "-a" "1a4558869d154cbe0e571ba3fe374d70dae33345c56d2fcb8df0e5183408ef4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a4558869d154cbe0e571ba3fe374d70dae33345c56d2fcb8df0e5183408ef4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4558869d154cbe0e571ba3fe374d70dae33345c56d2fcb8df0e5183408ef4c", kill_on_drop: false }`
[INFO] [stdout] 1a4558869d154cbe0e571ba3fe374d70dae33345c56d2fcb8df0e5183408ef4c
[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] 852994bba075f6d2bb18dd65094dc6771bc3b05bfc2c99853abab4bc613456a6
[INFO] running `Command { std: "docker" "start" "-a" "852994bba075f6d2bb18dd65094dc6771bc3b05bfc2c99853abab4bc613456a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking regex v1.4.5
[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 docopt v1.1.1
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling nl-find v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:119:22
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 Some(Ok((word_index, Tok::Keyword(word.to_string()), word_index)))
[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<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |                   Some(Ok((
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 122 | |                     word_index,
[INFO] [stdout] 123 | |                     Tok::Actionword(word.to_string()),
[INFO] [stdout] 124 | |                     word_index,
[INFO] [stdout] 125 | |                 )))
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:127:22
[INFO] [stdout]     |
[INFO] [stdout] 127 |                   Some(Ok((
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 128 | |                     word_index,
[INFO] [stdout] 129 | |                     Tok::Pathspec(word.to_string()),
[INFO] [stdout] 130 | |                     word_index,
[INFO] [stdout] 131 | |                 )))
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nl-find` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:119:22
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 Some(Ok((word_index, Tok::Keyword(word.to_string()), word_index)))
[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<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:121:22
[INFO] [stdout]     |
[INFO] [stdout] 121 |                   Some(Ok((
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 122 | |                     word_index,
[INFO] [stdout] 123 | |                     Tok::Actionword(word.to_string()),
[INFO] [stdout] 124 | |                     word_index,
[INFO] [stdout] 125 | |                 )))
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:127:22
[INFO] [stdout]     |
[INFO] [stdout] 127 |                   Some(Ok((
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 128 | |                     word_index,
[INFO] [stdout] 129 | |                     Tok::Pathspec(word.to_string()),
[INFO] [stdout] 130 | |                     word_index,
[INFO] [stdout] 131 | |                 )))
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:150:20
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let item = lex.next().unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:151:15
[INFO] [stdout]     |
[INFO] [stdout] 151 |         match item {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:167:33
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let (index, token, _) = lex.next().unwrap().unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let (index, token, _) = lex.next().unwrap().unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<(usize, Tok, usize), LexicalError>
[INFO] [stdout]    --> src/lib.rs:173:33
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let (index, token, _) = lex.next().unwrap().unwrap();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nl-find` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "852994bba075f6d2bb18dd65094dc6771bc3b05bfc2c99853abab4bc613456a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852994bba075f6d2bb18dd65094dc6771bc3b05bfc2c99853abab4bc613456a6", kill_on_drop: false }`
[INFO] [stdout] 852994bba075f6d2bb18dd65094dc6771bc3b05bfc2c99853abab4bc613456a6
