[INFO] cloning repository https://github.com/digama0/mizar-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/digama0/mizar-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigama0%2Fmizar-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigama0%2Fmizar-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb7c94088a7f30bd7bcd95a450162460006272e5
[INFO] checking digama0/mizar-rs 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%2Fdigama0%2Fmizar-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/digama0/mizar-rs
[INFO] finished tweaking git repo https://github.com/digama0/mizar-rs
[INFO] tweaked toml for git repo https://github.com/digama0/mizar-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/digama0/mizar-rs 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/digama0/mizar-rs 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 30476b863936d0e0befd05fcce9b200f3acd866ded8defc082fe1d039c6ed5bf
[INFO] running `Command { std: "docker" "start" "-a" "30476b863936d0e0befd05fcce9b200f3acd866ded8defc082fe1d039c6ed5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30476b863936d0e0befd05fcce9b200f3acd866ded8defc082fe1d039c6ed5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30476b863936d0e0befd05fcce9b200f3acd866ded8defc082fe1d039c6ed5bf", kill_on_drop: false }`
[INFO] [stdout] 30476b863936d0e0befd05fcce9b200f3acd866ded8defc082fe1d039c6ed5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3b5a22e4aad9abefab93552471c5d8ab4e11483c380b2c4079b485bf4a9debe
[INFO] running `Command { std: "docker" "start" "-a" "e3b5a22e4aad9abefab93552471c5d8ab4e11483c380b2c4079b485bf4a9debe", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]     Checking clap_builder v4.5.8
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking pretty v0.11.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking quick-xml v0.28.2
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]     Checking enum-map v2.7.3
[INFO] [stderr]     Checking clap v4.5.8
[INFO] [stderr]     Checking mizar-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]    --> src/ast.rs:935:58
[INFO] [stdout]     |
[INFO] [stdout] 935 |     fn from_str(spelling: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 936 | |     let parse_num = |s: &str| {
[INFO] [stdout] 937 | |       if s.is_empty() {
[INFO] [stdout] 938 | |         1
[INFO] [stdout] ...   |
[INFO] [stdout] 959 | |     })
[INFO] [stdout] 960 | |   }
[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: std::result::Result<Pragma, Infallible>
[INFO] [stdout]    --> src/ast.rs:943:5
[INFO] [stdout]     |
[INFO] [stdout] 943 | /     Ok(if let Some(s) = spelling.strip_prefix("$CD") {
[INFO] [stdout] 944 | |       Pragma::Canceled(CancelKind::Def, parse_num(s))
[INFO] [stdout] 945 | |     } else if let Some(s) = spelling.strip_prefix("$CT") {
[INFO] [stdout] 946 | |       Pragma::Canceled(CancelKind::Thm, parse_num(s))
[INFO] [stdout] ...   |
[INFO] [stdout] 959 | |     })
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]     --> src/parser/miz.rs:1694:24
[INFO] [stdout]      |
[INFO] [stdout] 1694 |           let pragma = tok.spelling[2..].parse().unwrap();
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]     --> src/parser/miz.rs:1895:45
[INFO] [stdout]      |
[INFO] [stdout] 1895 |       TokenKind::Pragma => ItemKind::Pragma(tok.spelling[2..].parse().unwrap()),
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]    --> src/parser/msm.rs:877:37
[INFO] [stdout]     |
[INFO] [stdout] 877 |       b"Pragma" => ItemKind::Pragma(spelling.unwrap().parse().unwrap()),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]    --> src/ast.rs:935:58
[INFO] [stdout]     |
[INFO] [stdout] 935 |     fn from_str(spelling: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 936 | |     let parse_num = |s: &str| {
[INFO] [stdout] 937 | |       if s.is_empty() {
[INFO] [stdout] 938 | |         1
[INFO] [stdout] ...   |
[INFO] [stdout] 959 | |     })
[INFO] [stdout] 960 | |   }
[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: std::result::Result<Pragma, Infallible>
[INFO] [stdout]    --> src/ast.rs:943:5
[INFO] [stdout]     |
[INFO] [stdout] 943 | /     Ok(if let Some(s) = spelling.strip_prefix("$CD") {
[INFO] [stdout] 944 | |       Pragma::Canceled(CancelKind::Def, parse_num(s))
[INFO] [stdout] 945 | |     } else if let Some(s) = spelling.strip_prefix("$CT") {
[INFO] [stdout] 946 | |       Pragma::Canceled(CancelKind::Thm, parse_num(s))
[INFO] [stdout] ...   |
[INFO] [stdout] 959 | |     })
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]     --> src/parser/miz.rs:1694:24
[INFO] [stdout]      |
[INFO] [stdout] 1694 |           let pragma = tok.spelling[2..].parse().unwrap();
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]     --> src/parser/miz.rs:1895:45
[INFO] [stdout]      |
[INFO] [stdout] 1895 |       TokenKind::Pragma => ItemKind::Pragma(tok.spelling[2..].parse().unwrap()),
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Pragma, Infallible>
[INFO] [stdout]    --> src/parser/msm.rs:877:37
[INFO] [stdout]     |
[INFO] [stdout] 877 |       b"Pragma" => ItemKind::Pragma(spelling.unwrap().parse().unwrap()),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mizar-rs` (bin "mizar-rs" test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mizar-rs` (bin "mizar-rs") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "e3b5a22e4aad9abefab93552471c5d8ab4e11483c380b2c4079b485bf4a9debe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b5a22e4aad9abefab93552471c5d8ab4e11483c380b2c4079b485bf4a9debe", kill_on_drop: false }`
[INFO] [stdout] e3b5a22e4aad9abefab93552471c5d8ab4e11483c380b2c4079b485bf4a9debe
