[INFO] cloning repository https://github.com/sydhds/rust_wasm_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sydhds/rust_wasm_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_wasm_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_wasm_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7b0de5ec1a7ba0025a61b70ea5fdaa1088a3e16
[INFO] checking sydhds/rust_wasm_examples against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_wasm_examples" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sydhds/rust_wasm_examples on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sydhds/rust_wasm_examples
[INFO] finished tweaking git repo https://github.com/sydhds/rust_wasm_examples
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[INFO] crate git repo https://github.com/sydhds/rust_wasm_examples 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 568693a995f41a0a8e1292da8b9e3070fcf6829a07103e21e149c5f2dd29d624
[INFO] running `Command { std: "docker" "start" "-a" "568693a995f41a0a8e1292da8b9e3070fcf6829a07103e21e149c5f2dd29d624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568693a995f41a0a8e1292da8b9e3070fcf6829a07103e21e149c5f2dd29d624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568693a995f41a0a8e1292da8b9e3070fcf6829a07103e21e149c5f2dd29d624", kill_on_drop: false }`
[INFO] [stdout] 568693a995f41a0a8e1292da8b9e3070fcf6829a07103e21e149c5f2dd29d624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac1821517f78190287e3e58027ebf24d0217a1438d08bfe9e0f675f1e67cbff3
[INFO] running `Command { std: "docker" "start" "-a" "ac1821517f78190287e3e58027ebf24d0217a1438d08bfe9e0f675f1e67cbff3", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.2.0
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[INFO] [stderr]    Compiling syn v2.0.52
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[INFO] [stderr]    Compiling cranelift-isle v0.91.1
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[INFO] [stderr]     Checking shared-buffer v0.1.4
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[INFO] [stderr]     Checking wasm-encoder v0.32.0
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[INFO] [stderr]    Compiling bitflags v1.3.2
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[INFO] [stderr]     Checking scoped-tls v1.0.1
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[INFO] [stderr]     Checking rust_wasm_the_hard_way_02 v0.1.0 (/opt/rustwide/workdir/rust_wasm_the_hard_way_02)
[INFO] [stderr]     Checking rust_wasm_the_hard_way_01 v0.1.0 (/opt/rustwide/workdir/rust_wasm_the_hard_way_01)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `wasm32` in `arch`
[INFO] [stdout]   --> rust_wasm_the_hard_way_02/src/lib.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     core::arch::wasm32::unreachable()
[INFO] [stdout]    |                 ^^^^^^ could not find `wasm32` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_wasm_the_hard_way_02` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ac1821517f78190287e3e58027ebf24d0217a1438d08bfe9e0f675f1e67cbff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1821517f78190287e3e58027ebf24d0217a1438d08bfe9e0f675f1e67cbff3", kill_on_drop: false }`
[INFO] [stdout] ac1821517f78190287e3e58027ebf24d0217a1438d08bfe9e0f675f1e67cbff3