[INFO] cloning repository https://github.com/PLSysSec/rlbox_lucet_sandbox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PLSysSec/rlbox_lucet_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPLSysSec%2Frlbox_lucet_sandbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPLSysSec%2Frlbox_lucet_sandbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c8e79048d3ff6f434109e19d4aee4ff8624d3d7 [INFO] checking PLSysSec/rlbox_lucet_sandbox against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPLSysSec%2Frlbox_lucet_sandbox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PLSysSec/rlbox_lucet_sandbox on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PLSysSec/rlbox_lucet_sandbox [INFO] finished tweaking git repo https://github.com/PLSysSec/rlbox_lucet_sandbox [INFO] tweaked toml for git repo https://github.com/PLSysSec/rlbox_lucet_sandbox written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PLSysSec/rlbox_lucet_sandbox already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/PLSysSec/lucet_sandbox_compiler` [INFO] [stderr] Updating git submodule `https://github.com/cranestation/cranelift` [INFO] [stderr] Updating git submodule `https://github.com/webassembly/spec` [INFO] [stderr] Updating git submodule `https://github.com/Khan/KaTeX.git` [INFO] [stderr] Updating git submodule `https://github.com/fastly/sightglass` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages [INFO] [stderr] Adding cranelift-entity v0.41.0 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Adding lucet-module-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Adding lucet-runtime-internals-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Adding lucet-runtime-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Adding lucet-wasi-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Adding mach v0.3.2 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded xfailure v0.1.0 [INFO] [stderr] Downloaded object v0.17.0 [INFO] [stderr] Downloaded num-derive v0.3.1 [INFO] [stderr] Downloaded goblin v0.2.3 [INFO] [stderr] Downloaded goblin v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd1171f0b45456df63920ae370834ce86367c28b161944263010ef3d8e9b0c00 [INFO] running `Command { std: "docker" "start" "-a" "cd1171f0b45456df63920ae370834ce86367c28b161944263010ef3d8e9b0c00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd1171f0b45456df63920ae370834ce86367c28b161944263010ef3d8e9b0c00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd1171f0b45456df63920ae370834ce86367c28b161944263010ef3d8e9b0c00", kill_on_drop: false }` [INFO] [stdout] cd1171f0b45456df63920ae370834ce86367c28b161944263010ef3d8e9b0c00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c30f7d88f9f871e0a4abbeb3d4d988c2254d83aeda25a2e6a476645a79427d6 [INFO] running `Command { std: "docker" "start" "-a" "4c30f7d88f9f871e0a4abbeb3d4d988c2254d83aeda25a2e6a476645a79427d6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking flate2 v1.0.16 [INFO] [stderr] Compiling raw-cpuid v7.0.3 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking parity-wasm v0.41.0 [INFO] [stderr] Compiling lucet-runtime-internals-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cranelift-entity v0.41.0 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling lucet-runtime-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking xfailure v0.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling lucet-wasi-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling scroll_derive v0.10.2 [INFO] [stderr] Compiling num-derive v0.3.1 [INFO] [stderr] Checking scroll v0.10.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking goblin v0.1.3 [INFO] [stderr] Checking goblin v0.2.3 [INFO] [stderr] Checking object v0.17.0 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking lucet-module-wasmsbx v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler?rev=d582d76bf0d17984501f3933688bf7a1eb5cf208#d582d76b) [INFO] [stderr] Checking rlbox_lucet_sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `region` is never read [INFO] [stdout] --> src/types.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct LucetSandboxInstance { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 10 | pub region: Arc, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `region` is never read [INFO] [stdout] --> src/types.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct LucetSandboxInstance { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 10 | pub region: Arc, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | GoblinError(goblin::error::Error), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 | GoblinError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | GoblinError(goblin::error::Error), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 | GoblinError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:18:15 [INFO] [stdout] | [INFO] [stdout] 18 | WasiError(failure::Error), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | WasiError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:18:15 [INFO] [stdout] | [INFO] [stdout] 18 | WasiError(failure::Error), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | WasiError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | LucetRuntimeError(lucet_runtime_internals::error::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 | LucetRuntimeError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | LucetModuleError(lucet_module::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 20 | LucetModuleError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | LucetRuntimeError(lucet_runtime_internals::error::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 | LucetRuntimeError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | LucetModuleError(lucet_module::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 20 | LucetModuleError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.77s [INFO] running `Command { std: "docker" "inspect" "4c30f7d88f9f871e0a4abbeb3d4d988c2254d83aeda25a2e6a476645a79427d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c30f7d88f9f871e0a4abbeb3d4d988c2254d83aeda25a2e6a476645a79427d6", kill_on_drop: false }` [INFO] [stdout] 4c30f7d88f9f871e0a4abbeb3d4d988c2254d83aeda25a2e6a476645a79427d6