[INFO] cloning repository https://github.com/SaiYs/sofa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaiYs/sofa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaiYs%2Fsofa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaiYs%2Fsofa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc17ab2c2c2d07c18302cf07e27ed3a1e1ece21c
[INFO] checking SaiYs/sofa 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%2FSaiYs%2Fsofa" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/SaiYs/sofa
[INFO] finished tweaking git repo https://github.com/SaiYs/sofa
[INFO] tweaked toml for git repo https://github.com/SaiYs/sofa written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SaiYs/sofa 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/SaiYs/sofa 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2009de5ebbe93c4d8ff664134ce097af5136559800662875f584203d5624f16b
[INFO] running `Command { std: "docker" "start" "-a" "2009de5ebbe93c4d8ff664134ce097af5136559800662875f584203d5624f16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2009de5ebbe93c4d8ff664134ce097af5136559800662875f584203d5624f16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2009de5ebbe93c4d8ff664134ce097af5136559800662875f584203d5624f16b", kill_on_drop: false }`
[INFO] [stdout] 2009de5ebbe93c4d8ff664134ce097af5136559800662875f584203d5624f16b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 73f35d7163ed7a342dccd86d8f58df29ffe4691e73cbd85fc47bbca576b3be42
[INFO] running `Command { std: "docker" "start" "-a" "73f35d7163ed7a342dccd86d8f58df29ffe4691e73cbd85fc47bbca576b3be42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]     Checking sofa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fn_type` is never read
[INFO] [stdout]   --> src/ast.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct FnDef {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn_type: Type,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/lexer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub pos: (usize, usize),
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/cli.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub console: Option<String>,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub file: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub out: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/lexer.rs:206:35
[INFO] [stdout]     |
[INFO] [stdout] 206 |                   let num: String = self
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 207 | |                     .chars
[INFO] [stdout] 208 | |                     .clone()
[INFO] [stdout] 209 | |                     .take_while(|&x| x.is_ascii_digit())
[INFO] [stdout] 210 | |                     .collect::<String>()
[INFO] [stdout] 211 | |                     .parse()
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fn_type` is never read
[INFO] [stdout]   --> src/ast.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct FnDef {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn_type: Type,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/lexer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub pos: (usize, usize),
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sofa` (bin "sofa") due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/cli.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub console: Option<String>,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub file: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub out: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/lexer.rs:206:35
[INFO] [stdout]     |
[INFO] [stdout] 206 |                   let num: String = self
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 207 | |                     .chars
[INFO] [stdout] 208 | |                     .clone()
[INFO] [stdout] 209 | |                     .take_while(|&x| x.is_ascii_digit())
[INFO] [stdout] 210 | |                     .collect::<String>()
[INFO] [stdout] 211 | |                     .parse()
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sofa` (bin "sofa" test) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "73f35d7163ed7a342dccd86d8f58df29ffe4691e73cbd85fc47bbca576b3be42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f35d7163ed7a342dccd86d8f58df29ffe4691e73cbd85fc47bbca576b3be42", kill_on_drop: false }`
[INFO] [stdout] 73f35d7163ed7a342dccd86d8f58df29ffe4691e73cbd85fc47bbca576b3be42
