[INFO] cloning repository https://github.com/kaleidawave/ezno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaleidawave/ezno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaleidawave%2Fezno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a763a0a1e92317b4822a9ea1cfaaf150b036f12
[INFO] checking kaleidawave/ezno 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%2Fkaleidawave%2Fezno" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaleidawave/ezno
[INFO] finished tweaking git repo https://github.com/kaleidawave/ezno
[INFO] tweaked toml for git repo https://github.com/kaleidawave/ezno written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaleidawave/ezno 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/kaleidawave/ezno 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bbdb6e218a745121f15a6d0e1950ff65ab4aad5a05885e7341d6295d759d9246
[INFO] running `Command { std: "docker" "start" "-a" "bbdb6e218a745121f15a6d0e1950ff65ab4aad5a05885e7341d6295d759d9246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbdb6e218a745121f15a6d0e1950ff65ab4aad5a05885e7341d6295d759d9246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdb6e218a745121f15a6d0e1950ff65ab4aad5a05885e7341d6295d759d9246", kill_on_drop: false }`
[INFO] [stdout] bbdb6e218a745121f15a6d0e1950ff65ab4aad5a05885e7341d6295d759d9246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 375cb4aa329ce55334e5fc40270e70a858ffd068764a26352eb1d1bc2f88bb4c
[INFO] running `Command { std: "docker" "start" "-a" "375cb4aa329ce55334e5fc40270e70a858ffd068764a26352eb1d1bc2f88bb4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling either_n v0.2.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling string-cases v0.2.0
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking iterator-endiate v0.2.1
[INFO] [stderr]     Checking temporary-annex v0.1.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking simple-json-parser v0.0.5
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.104
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking macro_rules_attribute v0.2.2
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]     Checking notify-types v2.0.0
[INFO] [stderr]     Checking file-id v0.2.3
[INFO] [stderr]     Checking regress v0.10.4
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling wasm-bindgen v0.2.104
[INFO] [stderr]     Checking syn v2.0.107
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking winconsole v0.11.1
[INFO] [stderr]     Checking lahl v0.0.3
[INFO] [stderr]     Checking multiline-term-input v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking inotify v0.11.0
[INFO] [stderr]     Checking notify v8.2.0
[INFO] [stderr]     Checking notify-debouncer-full v0.5.0
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking self-replace v1.5.0
[INFO] [stderr]    Compiling syn-helpers v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.104
[INFO] [stderr]     Checking ezno-parser-visitable-derive v0.0.9 (/opt/rustwide/workdir/parser/visitable-derive)
[INFO] [stderr]     Checking binary-serialize-derive v0.0.3 (/opt/rustwide/workdir/checker/binary-serialize-derive)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enum-variants-strings-derive v0.3.0
[INFO] [stderr]    Compiling derive-finite-automaton-derive v0.3.0
[INFO] [stderr]    Compiling derive-enum-from-into v0.2.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.104
[INFO] [stderr]     Checking derive-finite-automaton v0.3.0
[INFO] [stderr]    Compiling self-rust-tokenize-derive v0.3.4
[INFO] [stderr]    Compiling get-field-by-type-derive v0.0.4
[INFO] [stderr]    Compiling derive-debug-extras v0.3.0
[INFO] [stderr]     Checking enum-variants-strings v0.3.0
[INFO] [stderr]    Compiling match_deref v0.1.2
[INFO] [stderr]     Checking get-field-by-type v0.0.5
[INFO] [stderr]     Checking self-rust-tokenize v0.3.4
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.104
[INFO] [stderr]     Checking js-sys v0.3.81
[INFO] [stderr]     Checking mashrl v0.0.4
[INFO] [stderr]    Compiling source-map v0.15.0
[INFO] [stderr]     Checking release-downloader v0.0.6
[INFO] [stderr]    Compiling ezno-parser v0.1.7 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking ezno-checker v0.0.18 (/opt/rustwide/workdir/checker)
[INFO] [stderr]     Checking ezno-ast-generator v0.0.15 (/opt/rustwide/workdir/parser/generator)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]     --> checker/src/synthesis/expressions.rs:1235:3
[INFO] [stdout]      |
[INFO] [stdout] 1235 |         String::from_str("undefined").unwrap(),
[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]     --> checker/src/synthesis/expressions.rs:1235:3
[INFO] [stdout]      |
[INFO] [stdout] 1235 |         String::from_str("undefined").unwrap(),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ezno-checker` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ezno-checker` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "375cb4aa329ce55334e5fc40270e70a858ffd068764a26352eb1d1bc2f88bb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375cb4aa329ce55334e5fc40270e70a858ffd068764a26352eb1d1bc2f88bb4c", kill_on_drop: false }`
[INFO] [stdout] 375cb4aa329ce55334e5fc40270e70a858ffd068764a26352eb1d1bc2f88bb4c