[INFO] cloning repository https://github.com/wasmerio/ewasm-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wasmerio/ewasm-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fewasm-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fewasm-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1ccbd6e6d792889d49a8f9c272f21b8a158e186
[INFO] building wasmerio/ewasm-workshop against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fewasm-workshop" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wasmerio/ewasm-workshop on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wasmerio/ewasm-workshop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/wasmerio/wasmer`
[INFO] [stderr]     Updating git submodule `https://github.com/wasmerio/wapm-cli.git`
[INFO] [stderr] warning: invalid character `:` in feature `backend:llvm` in package wasmer v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `backend:singlepass` in package wasmer v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `loader:kernel` in package wasmer v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr]     Updating git repository `https://github.com/wasmerio/cranelift.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] [stderr]   Downloaded raw-cpuid v6.1.0
[INFO] [stderr]   Downloaded nom v4.2.0
[INFO] [stderr]   Downloaded bindgen v0.46.0
[INFO] [stderr]   Downloaded blake2b_simd v0.4.1
[INFO] [stderr]   Downloaded page_size v0.4.1
[INFO] [stderr]   Downloaded dynasmrt v0.3.1
[INFO] [stderr]   Downloaded target-lexicon v0.4.0
[INFO] [stderr]   Downloaded dynasm v0.3.2
[INFO] [stderr]   Downloaded wasmparser v0.29.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15c4bf7ae0ee3113b1c06a647052d4d5b72018f0b9b004c1cede424bd8395b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f15c4bf7ae0ee3113b1c06a647052d4d5b72018f0b9b004c1cede424bd8395b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15c4bf7ae0ee3113b1c06a647052d4d5b72018f0b9b004c1cede424bd8395b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15c4bf7ae0ee3113b1c06a647052d4d5b72018f0b9b004c1cede424bd8395b4", kill_on_drop: false }`
[INFO] [stdout] f15c4bf7ae0ee3113b1c06a647052d4d5b72018f0b9b004c1cede424bd8395b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52e5c117350126ed2ee4c682d5bf6777e77e73ebd529552b81baf64624ba2363
[INFO] running `Command { std: "docker" "start" "-a" "52e5c117350126ed2ee4c682d5bf6777e77e73ebd529552b81baf64624ba2363", kill_on_drop: false }`
[INFO] [stderr] warning: invalid character `:` in feature `backend:llvm` in package wasmer v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `backend:singlepass` in package wasmer v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr] warning: invalid character `:` in feature `loader:kernel` in package wasmer v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134), characters must be Unicode XID characters, `+`, or `.` (numbers, `+`, `-`, `_`, `.`, or most letters)
[INFO] [stderr] This was previously accepted but is being phased out; it will become a hard error in a future release.
[INFO] [stderr] For more information, see issue #8813 <https://github.com/rust-lang/cargo/issues/8813>, and please leave a comment if this will be a problem for your project.
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling cranelift-entity v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling wasmparser v0.29.2
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[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 backtrace v0.3.14
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling page_size v0.4.1
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling dynasmrt v0.3.1
[INFO] [stderr]    Compiling wasmer-runtime-core v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134)
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling cranelift-codegen v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[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?branch=master#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?branch=master#5db8c134)
[INFO] [stderr]    Compiling wasmer-middleware-common v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134)
[INFO] [stderr]    Compiling wasmer-runtime v0.4.2 (https://github.com/wasmerio/wasmer?branch=master#5db8c134)
[INFO] [stderr]    Compiling ewasm-workshop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../smartcontract/target/wasm32-unknown-unknown/release/wasm_smart_contract.wasm: No such file or directory (os error 2)
[INFO] [stdout]   --> src/main.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 | static WASM: &'static [u8] = include_bytes!("../smartcontract/target/wasm32-unknown-unknown/release/wasm_smart_contract.wasm");
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ctx`, `compile`, `instantiate`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     instantiate,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Ctx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     compile,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ewasm-workshop`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "52e5c117350126ed2ee4c682d5bf6777e77e73ebd529552b81baf64624ba2363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e5c117350126ed2ee4c682d5bf6777e77e73ebd529552b81baf64624ba2363", kill_on_drop: false }`
[INFO] [stdout] 52e5c117350126ed2ee4c682d5bf6777e77e73ebd529552b81baf64624ba2363
