[INFO] updating cached repository https://github.com/wasmerio/ewasm-workshop
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1ccbd6e6d792889d49a8f9c272f21b8a158e186
[INFO] testing wasmerio/ewasm-workshop against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fewasm-workshop" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wasmerio/ewasm-workshop on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wasmerio/ewasm-workshop
[INFO] finished tweaking git repo https://github.com/wasmerio/ewasm-workshop
[INFO] tweaked toml for git repo https://github.com/wasmerio/ewasm-workshop written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/wasmerio/ewasm-workshop already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] edade5a6d25a70fb7c4c7ae4d0fa08495f1f980309ee455354959eae1f7ce092
[INFO] running `"docker" "start" "-a" "edade5a6d25a70fb7c4c7ae4d0fa08495f1f980309ee455354959eae1f7ce092"`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cranelift-entity v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling wasmparser v0.29.2
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling cranelift-bforest v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling page_size v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling dynasmrt v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling wasmer-runtime-core v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling cranelift-codegen v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling dynasm v0.3.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasmer-singlepass-backend v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]    Compiling cranelift-frontend v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling cranelift-native v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling cranelift-wasm v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling wasmer-clif-backend v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]    Compiling wasmer-runtime v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]    Compiling wasmer-middleware-common v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]    Compiling ewasm-workshop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read src/../smartcontract/target/wasm32-unknown-unknown/release/wasm_smart_contract.wasm: No such file or directory (os error 2)
[INFO] [stderr]   --> src/main.rs:20:30
[INFO] [stderr]    |
[INFO] [stderr] 20 | static WASM: &'static [u8] = include_bytes!("../smartcontract/target/wasm32-unknown-unknown/release/wasm_smart_contract.wasm");
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ctx`, `compile`, `instantiate`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     instantiate,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     Ctx,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 14 |     compile,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ewasm-workshop`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "edade5a6d25a70fb7c4c7ae4d0fa08495f1f980309ee455354959eae1f7ce092"`
[INFO] running `"docker" "rm" "-f" "edade5a6d25a70fb7c4c7ae4d0fa08495f1f980309ee455354959eae1f7ce092"`
[INFO] [stdout] edade5a6d25a70fb7c4c7ae4d0fa08495f1f980309ee455354959eae1f7ce092