[INFO] cloning repository https://github.com/wizardengineer/wasmer_challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wizardengineer/wasmer_challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizardengineer%2Fwasmer_challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizardengineer%2Fwasmer_challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79758b51fc4371168e4c74838e1a2815795c041c
[INFO] fixing wizardengineer/wasmer_challenge against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizardengineer%2Fwasmer_challenge" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wizardengineer/wasmer_challenge
[INFO] finished tweaking git repo https://github.com/wizardengineer/wasmer_challenge
[INFO] tweaked toml for git repo https://github.com/wizardengineer/wasmer_challenge written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wizardengineer/wasmer_challenge on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wizardengineer/wasmer_challenge 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "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/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2
[INFO] running `Command { std: "docker" "start" "97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking wasmer_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> host_app/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::bail;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wasmer`
[INFO] [stdout]  --> host_app/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasmer::{imports, Instance, Module, Store, Value};
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `wasmer`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `wasmer`, use `cargo add wasmer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |             .map_err(|e| anyhow::anyhow!("Wasm memory read failed: {}", e))?;
[INFO] [stdout]    |                          ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |             .map_err(|e| anyhow::anyhow!("Wasm memory write failed: {}", e))?;
[INFO] [stdout]    |                          ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |         .map_err(|_| anyhow::anyhow!("Export 'process' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .map_err(|_| anyhow::anyhow!("Export 'free' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .map_err(|_| anyhow::anyhow!("Export 'malloc' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |         .map_err(|_| anyhow::anyhow!("Export 'memory' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |         .map_err(|e| anyhow::anyhow!("Failed to instantiate Wasm module: {}", e))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         .map_err(|e| anyhow::anyhow!("Failed to compile Wasm module: {}", e))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .map_err(|e| anyhow::anyhow!("Failed to read '{}': {}", wasm_path, e))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> host_app/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::bail;
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wasmer`
[INFO] [stdout]  --> host_app/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasmer::{imports, Instance, Module, Store, Value};
[INFO] [stdout]   |     ^^^^^^ use of unresolved module or unlinked crate `wasmer`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `wasmer`, use `cargo add wasmer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |             .map_err(|e| anyhow::anyhow!("Wasm memory read failed: {}", e))?;
[INFO] [stdout]    |                          ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |             .map_err(|e| anyhow::anyhow!("Wasm memory write failed: {}", e))?;
[INFO] [stdout]    |                          ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |         .map_err(|_| anyhow::anyhow!("Export 'process' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .map_err(|_| anyhow::anyhow!("Export 'free' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .map_err(|_| anyhow::anyhow!("Export 'malloc' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |         .map_err(|_| anyhow::anyhow!("Export 'memory' not found"))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |         .map_err(|e| anyhow::anyhow!("Failed to instantiate Wasm module: {}", e))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |         .map_err(|e| anyhow::anyhow!("Failed to compile Wasm module: {}", e))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]   --> host_app/src/main.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .map_err(|e| anyhow::anyhow!("Failed to read '{}': {}", wasm_path, e))?;
[INFO] [stdout]    |                      ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]  --> host_app/src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn main() -> anyhow::Result<()> {
[INFO] [stdout]   |              ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `anyhow` in this scope
[INFO] [stdout]  --> host_app/src/main.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn main() -> anyhow::Result<()> {
[INFO] [stdout]   |              ^^^^^^ use of unresolved module or unlinked crate `anyhow`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `anyhow`, use `cargo add anyhow` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmer_io` (bin "host_app") due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `wasmer_io` (bin "host_app" test) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2", kill_on_drop: false }`
[INFO] [stdout] 97ea1da2a1e10ee5c95d2817974e9a6c1fe86d056b893ed86f7eae2de0d64cc2
