[INFO] cloning repository https://github.com/ifyouseewendy/wasm-runtime-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ifyouseewendy/wasm-runtime-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifyouseewendy%2Fwasm-runtime-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifyouseewendy%2Fwasm-runtime-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17ca39699072c8b18312f752b4d8e2bfc420abd7
[INFO] testing ifyouseewendy/wasm-runtime-benchmark against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifyouseewendy%2Fwasm-runtime-benchmark" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ifyouseewendy/wasm-runtime-benchmark on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ifyouseewendy/wasm-runtime-benchmark
[INFO] finished tweaking git repo https://github.com/ifyouseewendy/wasm-runtime-benchmark
[INFO] tweaked toml for git repo https://github.com/ifyouseewendy/wasm-runtime-benchmark written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ifyouseewendy/wasm-runtime-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 772814ccf19794b518e308723144fa79c1d757646197ec29d3276dc0032734ad
[INFO] running `Command { std: "docker" "start" "-a" "772814ccf19794b518e308723144fa79c1d757646197ec29d3276dc0032734ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "772814ccf19794b518e308723144fa79c1d757646197ec29d3276dc0032734ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772814ccf19794b518e308723144fa79c1d757646197ec29d3276dc0032734ad", kill_on_drop: false }`
[INFO] [stdout] 772814ccf19794b518e308723144fa79c1d757646197ec29d3276dc0032734ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d63433af1b59c779741438a7a5f1c28da1c854822e1113601b16f9b2214c1e
[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" "78d63433af1b59c779741438a7a5f1c28da1c854822e1113601b16f9b2214c1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cranelift-entity v0.51.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling cranelift-entity v0.59.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.59.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling wasmparser v0.51.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling parity-wasm v0.40.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?rev=0a864ebf68b33d4d514b67796264b03898aa0944#0a864ebf)
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmparser v0.39.3
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling lucetc v0.6.1
[INFO] [stderr]    Compiling xfailure v0.1.0
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling human-size v0.4.0
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/wasm-sample/fibonacci)
[INFO] [stderr]    Compiling nbody v0.1.0 (/opt/rustwide/workdir/wasm-sample/nbody)
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling blake3 v0.1.5
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling lucet-runtime-internals v0.6.1
[INFO] [stderr]    Compiling lucet-runtime v0.6.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> wasm-sample/nbody/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nbody` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "78d63433af1b59c779741438a7a5f1c28da1c854822e1113601b16f9b2214c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d63433af1b59c779741438a7a5f1c28da1c854822e1113601b16f9b2214c1e", kill_on_drop: false }`
[INFO] [stdout] 78d63433af1b59c779741438a7a5f1c28da1c854822e1113601b16f9b2214c1e