[INFO] cloning repository https://github.com/valeedkhanjadoon/lang_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valeedkhanjadoon/lang_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaleedkhanjadoon%2Flang_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaleedkhanjadoon%2Flang_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e1796710db457992db970de305a325b85e2f263
[INFO] checking valeedkhanjadoon/lang_generator against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaleedkhanjadoon%2Flang_generator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/valeedkhanjadoon/lang_generator
[INFO] finished tweaking git repo https://github.com/valeedkhanjadoon/lang_generator
[INFO] tweaked toml for git repo https://github.com/valeedkhanjadoon/lang_generator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/valeedkhanjadoon/lang_generator on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/valeedkhanjadoon/lang_generator 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f9fa30f968fde6609a0df2673428ab65e6820a1b60ce629a6da971a2a78628e
[INFO] running `Command { std: "docker" "start" "-a" "1f9fa30f968fde6609a0df2673428ab65e6820a1b60ce629a6da971a2a78628e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f9fa30f968fde6609a0df2673428ab65e6820a1b60ce629a6da971a2a78628e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9fa30f968fde6609a0df2673428ab65e6820a1b60ce629a6da971a2a78628e", kill_on_drop: false }`
[INFO] [stdout] 1f9fa30f968fde6609a0df2673428ab65e6820a1b60ce629a6da971a2a78628e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 983c7603aa8e77a7b230bc8ea7f3184edaf6fc7e140a17a845bdc4a39149c9a4
[INFO] running `Command { std: "docker" "start" "-a" "983c7603aa8e77a7b230bc8ea7f3184edaf6fc7e140a17a845bdc4a39149c9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling mappable-rc v0.1.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling tuple_list v0.1.3
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling fandango-core v0.1.0 (https://git@github.com/fandango-fuzzer/fandango-rs.git#6ac72ed8)
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling fandango-generator v0.1.0 (https://git@github.com/fandango-fuzzer/fandango-rs.git#6ac72ed8)
[INFO] [stderr]    Compiling fandango-derive v0.1.0 (https://git@github.com/fandango-fuzzer/fandango-rs.git#6ac72ed8)
[INFO] [stderr]     Checking fandango v0.1.0 (https://git@github.com/fandango-fuzzer/fandango-rs.git#6ac72ed8)
[INFO] [stderr]     Checking fandango-runtime v0.1.0 (https://git@github.com/fandango-fuzzer/fandango-rs.git#6ac72ed8)
[INFO] [stderr]     Checking dart_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `LanguageName` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct LanguageName(Infallible);
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dart_generator` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `LanguageName` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct LanguageName(Infallible);
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dart_generator` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "983c7603aa8e77a7b230bc8ea7f3184edaf6fc7e140a17a845bdc4a39149c9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983c7603aa8e77a7b230bc8ea7f3184edaf6fc7e140a17a845bdc4a39149c9a4", kill_on_drop: false }`
[INFO] [stdout] 983c7603aa8e77a7b230bc8ea7f3184edaf6fc7e140a17a845bdc4a39149c9a4
