[INFO] cloning repository https://github.com/OwenFeik/spells-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OwenFeik/spells-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwenFeik%2Fspells-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwenFeik%2Fspells-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76d3be432b3d6f28dd0944bb700e175061828a5a
[INFO] checking OwenFeik/spells-rs against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOwenFeik%2Fspells-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/OwenFeik/spells-rs
[INFO] finished tweaking git repo https://github.com/OwenFeik/spells-rs
[INFO] tweaked toml for git repo https://github.com/OwenFeik/spells-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OwenFeik/spells-rs on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OwenFeik/spells-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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-code v3.2.0
[INFO] [stderr]   Downloaded clipboard-win v5.3.1
[INFO] [stderr]   Downloaded rustix v0.38.19
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4e25bf32a7cdbf2576b138c6dc9aae8af05e5f38b06978e886ac858e27f0d7d
[INFO] running `Command { std: "docker" "start" "-a" "a4e25bf32a7cdbf2576b138c6dc9aae8af05e5f38b06978e886ac858e27f0d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4e25bf32a7cdbf2576b138c6dc9aae8af05e5f38b06978e886ac858e27f0d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e25bf32a7cdbf2576b138c6dc9aae8af05e5f38b06978e886ac858e27f0d7d", kill_on_drop: false }`
[INFO] [stdout] a4e25bf32a7cdbf2576b138c6dc9aae8af05e5f38b06978e886ac858e27f0d7d
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af5c69d9537af76ec0919ce1a617e0c991eaa2e4a2d7bf305a7e261124ef7a9
[INFO] running `Command { std: "docker" "start" "-a" "3af5c69d9537af76ec0919ce1a617e0c991eaa2e4a2d7bf305a7e261124ef7a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]     Checking spells v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/outcome.rs:145:31
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     } else if let Some((_, sv)) = smallest
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/parser.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |         while let Some(token) = self.peek()
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/parser.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |             && let Tok::Operator(op) = token.inner()
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parser.rs:146:15
[INFO] [stdout]     |
[INFO] [stdout] 146 |         while let Some(token) = self.peek()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parser.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             && let Tok::Operator(op) = token.inner()
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/token.rs:279:26
[INFO] [stdout]     |
[INFO] [stdout] 279 |     let is_operator = if let Some(c) = input.get(1)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/token.rs:288:23
[INFO] [stdout]     |
[INFO] [stdout] 288 |     if is_operator && let Some(c) = input.get(0) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/outcome.rs:145:31
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     } else if let Some((_, sv)) = smallest
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/parser.rs:77:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |         while let Some(token) = self.peek()
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/parser.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |             && let Tok::Operator(op) = token.inner()
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parser.rs:146:15
[INFO] [stdout]     |
[INFO] [stdout] 146 |         while let Some(token) = self.peek()
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parser.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             && let Tok::Operator(op) = token.inner()
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/token.rs:279:26
[INFO] [stdout]     |
[INFO] [stdout] 279 |     let is_operator = if let Some(c) = input.get(1)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/token.rs:288:23
[INFO] [stdout]     |
[INFO] [stdout] 288 |     if is_operator && let Some(c) = input.get(0) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(if_let_guard)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(if_let_guard)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/eval.rs:100:46
[INFO] [stdout]     |
[INFO] [stdout] 100 |       } else if matches!(op, Operator::Member) {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 101 | |     } else {
[INFO] [stdout]     | |_____^ expected `Result<Outcome, String>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<Outcome, String>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/eval.rs:100:46
[INFO] [stdout]     |
[INFO] [stdout] 100 |       } else if matches!(op, Operator::Member) {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 101 | |     } else {
[INFO] [stdout]     | |_____^ expected `Result<Outcome, String>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<outcome::Outcome, String>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/context.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut ret = String::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spells` (bin "spells") due to 8 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/context.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut ret = String::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spells` (bin "spells" test) due to 8 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3af5c69d9537af76ec0919ce1a617e0c991eaa2e4a2d7bf305a7e261124ef7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af5c69d9537af76ec0919ce1a617e0c991eaa2e4a2d7bf305a7e261124ef7a9", kill_on_drop: false }`
[INFO] [stdout] 3af5c69d9537af76ec0919ce1a617e0c991eaa2e4a2d7bf305a7e261124ef7a9
