[INFO] cloning repository https://github.com/aranajhonny/private-lucet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aranajhonny/private-lucet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faranajhonny%2Fprivate-lucet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faranajhonny%2Fprivate-lucet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa8b968d40cf998845643ce02f1a40c098b139ff
[INFO] checking aranajhonny/private-lucet against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faranajhonny%2Fprivate-lucet" "/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/aranajhonny/private-lucet on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aranajhonny/private-lucet
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/aranajhonny/private-lucet
[INFO] tweaked toml for git repo https://github.com/aranajhonny/private-lucet written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aranajhonny/private-lucet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/wasmerio/inkwell`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/wasmerio/inkwell`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll v0.9.2
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded wabt v0.9.1
[INFO] [stderr]   Downloaded goblin v0.0.24
[INFO] [stderr]   Downloaded cbindgen v0.9.1
[INFO] [stderr]   Downloaded cargo_toml v0.6.4
[INFO] [stderr]   Downloaded field-offset v0.1.1
[INFO] [stderr]   Downloaded llvm-sys v80.3.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.44.0
[INFO] [stderr]   Downloaded dynasmrt v0.3.1
[INFO] [stderr]   Downloaded wasmer-clif-fork-wasm v0.44.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-frontend v0.44.0
[INFO] [stderr]   Downloaded cranelift-entity v0.44.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.44.0
[INFO] [stderr]   Downloaded dynasm v0.3.2
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.44.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.44.0
[INFO] [stderr]   Downloaded target-lexicon v0.8.1
[INFO] [stderr]   Downloaded wasmparser v0.39.3
[INFO] [stderr]   Downloaded wabt-sys v0.6.1
[INFO] [stderr]   Downloaded cranelift-native v0.44.0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] de6c1c629ba46934ba072c7d3ff38680973f7b14a38fbf0b2bb595e99797662e
[INFO] running `Command { std: "docker" "start" "-a" "de6c1c629ba46934ba072c7d3ff38680973f7b14a38fbf0b2bb595e99797662e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de6c1c629ba46934ba072c7d3ff38680973f7b14a38fbf0b2bb595e99797662e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6c1c629ba46934ba072c7d3ff38680973f7b14a38fbf0b2bb595e99797662e", kill_on_drop: false }`
[INFO] [stdout] de6c1c629ba46934ba072c7d3ff38680973f7b14a38fbf0b2bb595e99797662e
[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=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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c76c97ad290f907364a279fa6eb981c9892cc0508084203f8507c498fcd4b5
[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" "87c76c97ad290f907364a279fa6eb981c9892cc0508084203f8507c498fcd4b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking wasmparser v0.39.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.44.0
[INFO] [stderr]    Compiling cranelift-entity v0.44.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.24
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cbindgen v0.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/wasmerio/inkwell?branch=llvm8-0#bd0d09a8)
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking field-offset v0.1.1
[INFO] [stderr]     Checking kernel-net v0.1.0 (/opt/rustwide/workdir/lib/kernel-net)
[INFO] [stderr]     Checking plugin-for-example v0.1.0 (/opt/rustwide/workdir/examples/plugin-for-example)
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.44.0
[INFO] [stderr]     Checking cranelift-bforest v0.44.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking parallel-guest v0.1.0 (/opt/rustwide/workdir/examples/parallel-guest)
[INFO] [stderr]    Compiling wasmer-wasi-tests v0.9.0 (/opt/rustwide/workdir/lib/wasi-tests)
[INFO] [stdout] warning: function is never used: `print_char`
[INFO] [stdout]  --> examples/parallel-guest/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn print_char(c: u32);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_str`
[INFO] [stdout]  --> examples/parallel-guest/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn print_str(s: &str) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasmer-emscripten-tests v0.9.0 (/opt/rustwide/workdir/lib/emscripten-tests)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_char`
[INFO] [stdout]  --> examples/parallel-guest/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn print_char(c: u32);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_str`
[INFO] [stdout]  --> examples/parallel-guest/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn print_str(s: &str) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling wabt-sys v0.6.1
[INFO] [stderr]    Compiling wasmer-win-exception-handler v0.9.0 (/opt/rustwide/workdir/lib/win-exception-handler)
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling enum-methods v0.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wasmer-dev-utils v0.9.0 (/opt/rustwide/workdir/lib/dev-utils)
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling wasmer-runtime-core v0.9.0 (/opt/rustwide/workdir/lib/runtime-core)
[INFO] [stderr]    Compiling regex v1.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking dynasmrt v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling llvm-sys v80.3.0
[INFO] [stderr]    Compiling wasmer-llvm-backend v0.9.0 (/opt/rustwide/workdir/lib/llvm-backend)
[INFO] [stderr] error: could not compile `cranelift-codegen-meta`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cranelift_codegen_meta --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-meta-0.44.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="std"' -C metadata=94413c6655829254 -C extra-filename=-94413c6655829254 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-34ecd93ea837154f.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-1c347b2e7c04c402.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "87c76c97ad290f907364a279fa6eb981c9892cc0508084203f8507c498fcd4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c76c97ad290f907364a279fa6eb981c9892cc0508084203f8507c498fcd4b5", kill_on_drop: false }`
[INFO] [stdout] 87c76c97ad290f907364a279fa6eb981c9892cc0508084203f8507c498fcd4b5