[INFO] cloning repository https://github.com/michelleN/wasm-component
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michelleN/wasm-component" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmichelleN%2Fwasm-component", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmichelleN%2Fwasm-component'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c34326191891d63ed4e520329128dacca74affe1
[INFO] checking michelleN/wasm-component against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmichelleN%2Fwasm-component" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michelleN/wasm-component on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michelleN/wasm-component
[INFO] finished tweaking git repo https://github.com/michelleN/wasm-component
[INFO] tweaked toml for git repo https://github.com/michelleN/wasm-component written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/michelleN/wasm-component 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d012f3f9a507c2623e6dac5ed42d6f696fe9ac7005daca6eddfa106e0b1c3753
[INFO] running `Command { std: "docker" "start" "-a" "d012f3f9a507c2623e6dac5ed42d6f696fe9ac7005daca6eddfa106e0b1c3753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d012f3f9a507c2623e6dac5ed42d6f696fe9ac7005daca6eddfa106e0b1c3753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d012f3f9a507c2623e6dac5ed42d6f696fe9ac7005daca6eddfa106e0b1c3753", kill_on_drop: false }`
[INFO] [stdout] d012f3f9a507c2623e6dac5ed42d6f696fe9ac7005daca6eddfa106e0b1c3753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3343104531f027a92886d191a00f38b73866c924cedc486af2b5b9c6bc9a6497
[INFO] running `Command { std: "docker" "start" "-a" "3343104531f027a92886d191a00f38b73866c924cedc486af2b5b9c6bc9a6497", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking clap v4.4.3
[INFO] [stderr]     Checking wasm-component v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env::current_dir`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env::current_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::current_dir`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env::current_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:154:69
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 .join(format!("target/doc/{}/index.html", world_name.clone()))
[INFO] [stdout]     |                                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:154:69
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 .join(format!("target/doc/{}/index.html", world_name.clone()))
[INFO] [stdout]     |                                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "3343104531f027a92886d191a00f38b73866c924cedc486af2b5b9c6bc9a6497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3343104531f027a92886d191a00f38b73866c924cedc486af2b5b9c6bc9a6497", kill_on_drop: false }`
[INFO] [stdout] 3343104531f027a92886d191a00f38b73866c924cedc486af2b5b9c6bc9a6497
[INFO] checking michelleN/wasm-component against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmichelleN%2Fwasm-component" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michelleN/wasm-component on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michelleN/wasm-component
[INFO] finished tweaking git repo https://github.com/michelleN/wasm-component
[INFO] tweaked toml for git repo https://github.com/michelleN/wasm-component written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/michelleN/wasm-component 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb979334162efcea21f12270f6c3f2b7ff1d1866d3682ef4e8f4c7d5829a8bc6
[INFO] running `Command { std: "docker" "start" "-a" "cb979334162efcea21f12270f6c3f2b7ff1d1866d3682ef4e8f4c7d5829a8bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb979334162efcea21f12270f6c3f2b7ff1d1866d3682ef4e8f4c7d5829a8bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb979334162efcea21f12270f6c3f2b7ff1d1866d3682ef4e8f4c7d5829a8bc6", kill_on_drop: false }`
[INFO] [stdout] cb979334162efcea21f12270f6c3f2b7ff1d1866d3682ef4e8f4c7d5829a8bc6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd07a07845535154a3093739810d518ce4919f6ab22d85fef1b9cb3db02501e
[INFO] running `Command { std: "docker" "start" "-a" "4fd07a07845535154a3093739810d518ce4919f6ab22d85fef1b9cb3db02501e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ctrlc-3.4.1/src/lib.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |         .spawn(move || loop {
[INFO] [stdout]     |          ----- ^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `Builder::spawn`
[INFO] [stdout]    --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 144 ~         .spawn(move || -> /* Type */ { loop {
[INFO] [stdout] 145 |             unsafe {
[INFO] [stdout]   ...
[INFO] [stdout] 148 |             user_handler();
[INFO] [stdout] 149 ~         } })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ctrlc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4fd07a07845535154a3093739810d518ce4919f6ab22d85fef1b9cb3db02501e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd07a07845535154a3093739810d518ce4919f6ab22d85fef1b9cb3db02501e", kill_on_drop: false }`
[INFO] [stdout] 4fd07a07845535154a3093739810d518ce4919f6ab22d85fef1b9cb3db02501e