[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] checking wasmerio/ewasm-workshop against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasmerio%2Fewasm-workshop" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wasmerio/ewasm-workshop on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7334eab834ac624ec0d797769849230955090c41831c746fbf6d65378e982236
[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" "7334eab834ac624ec0d797769849230955090c41831c746fbf6d65378e982236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7334eab834ac624ec0d797769849230955090c41831c746fbf6d65378e982236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7334eab834ac624ec0d797769849230955090c41831c746fbf6d65378e982236", kill_on_drop: false }`
[INFO] [stdout] 7334eab834ac624ec0d797769849230955090c41831c746fbf6d65378e982236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10a56c056c3c3874ea40fb1e99d5477fd3092a80c8420e6ff1b98564858fc2e3
[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" "10a56c056c3c3874ea40fb1e99d5477fd3092a80c8420e6ff1b98564858fc2e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling cranelift-entity v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking wasmparser v0.29.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking cranelift-bforest v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking dynasmrt v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde_json v1.0.36
[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 failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling dynasm v0.3.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cranelift-frontend v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]     Checking cranelift-native v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]     Checking cranelift-wasm v0.30.0 (https://github.com/wasmerio/cranelift.git?rev=84ec31b0fdfc10db491ef950815ee2961db057cb#84ec31b0)
[INFO] [stderr]     Checking wasmer-singlepass-backend v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]     Checking wasmer-clif-backend v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]     Checking wasmer-runtime v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]     Checking wasmer-middleware-common v0.4.2 (https://github.com/wasmerio/wasmer#5db8c134)
[INFO] [stderr]     Checking 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] 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] 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "10a56c056c3c3874ea40fb1e99d5477fd3092a80c8420e6ff1b98564858fc2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a56c056c3c3874ea40fb1e99d5477fd3092a80c8420e6ff1b98564858fc2e3", kill_on_drop: false }`
[INFO] [stdout] 10a56c056c3c3874ea40fb1e99d5477fd3092a80c8420e6ff1b98564858fc2e3