[INFO] fetching crate lucet-analyze 0.1.2... [INFO] checking lucet-analyze-0.1.2 against master#6d05c430d2f0573bf98320bb1d2457a72ea1e67f for pr-116607 [INFO] extracting crate lucet-analyze 0.1.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate lucet-analyze 0.1.2 on toolchain 6d05c430d2f0573bf98320bb1d2457a72ea1e67f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lucet-analyze 0.1.2 [INFO] finished tweaking crates.io crate lucet-analyze 0.1.2 [INFO] tweaked toml for crates.io crate lucet-analyze 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded scrypt v0.2.0 [INFO] [stderr] Downloaded rpassword v3.0.2 [INFO] [stderr] Downloaded scroll v0.9.2 [INFO] [stderr] Downloaded scroll_derive v0.9.5 [INFO] [stderr] Downloaded bincode v1.0.1 [INFO] [stderr] Downloaded target-lexicon v0.4.0 [INFO] [stderr] Downloaded minisign v0.5.11 [INFO] [stderr] Downloaded cranelift-entity v0.31.0 [INFO] [stderr] Downloaded lucet-module-data v0.1.2 [INFO] [stderr] Downloaded cranelift-bforest v0.31.0 [INFO] [stderr] Downloaded object v0.12.0 [INFO] [stderr] Downloaded goblin v0.0.22 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.31.0 [INFO] [stderr] Downloaded parity-wasm v0.38.0 [INFO] [stderr] Downloaded cranelift-codegen v0.31.0 [INFO] [stderr] Downloaded goblin v0.0.21 [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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ee0ef13f73a74f818cdb605cf750d302d43f69a1b2fba56e16443ca84e9be16 [INFO] running `Command { std: "docker" "start" "-a" "9ee0ef13f73a74f818cdb605cf750d302d43f69a1b2fba56e16443ca84e9be16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ee0ef13f73a74f818cdb605cf750d302d43f69a1b2fba56e16443ca84e9be16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ee0ef13f73a74f818cdb605cf750d302d43f69a1b2fba56e16443ca84e9be16", kill_on_drop: false }` [INFO] [stdout] 9ee0ef13f73a74f818cdb605cf750d302d43f69a1b2fba56e16443ca84e9be16 [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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 994d6af280b217a0295b6a178f95ca762af38ee9fec6b1577faeae16f1c1ce31 [INFO] running `Command { std: "docker" "start" "-a" "994d6af280b217a0295b6a178f95ca762af38ee9fec6b1577faeae16f1c1ce31", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling cranelift-entity v0.31.0 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rpassword v3.0.2 [INFO] [stderr] Compiling cranelift-codegen-meta v0.31.0 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking cranelift-bforest v0.31.0 [INFO] [stderr] Checking parity-wasm v0.38.0 [INFO] [stderr] Checking pbkdf2 v0.3.0 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking num-traits v0.2.17 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking scrypt v0.2.0 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Compiling scroll v0.9.2 [INFO] [stderr] Checking minisign v0.5.11 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling scroll_derive v0.9.5 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking goblin v0.0.22 [INFO] [stderr] Checking goblin v0.0.21 [INFO] [stderr] Compiling cranelift-codegen v0.31.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling target-lexicon v0.4.0 [INFO] [stderr] Checking object v0.12.0 [INFO] [stderr] Checking lucet-module-data v0.1.2 [INFO] [stderr] Checking lucet-analyze v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `module_data_bytes` and `module_data` are never read [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct ArtifactSummary<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | module_data_bytes: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 20 | module_data: Option, Error>>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArtifactSummary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `module_data_bytes` and `module_data` are never read [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 14 | struct ArtifactSummary<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | module_data_bytes: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 20 | module_data: Option, Error>>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArtifactSummary` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct DataSegment { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DataSegment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct DataSegment { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 44 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DataSegment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parse_data_segments` is never used [INFO] [stdout] --> src/main.rs:189:8 [INFO] [stdout] | [INFO] [stdout] 47 | impl<'a> ArtifactSummary<'a> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 189 | fn parse_data_segments(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parse_data_segments` is never used [INFO] [stdout] --> src/main.rs:189:8 [INFO] [stdout] | [INFO] [stdout] 47 | impl<'a> ArtifactSummary<'a> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 189 | fn parse_data_segments(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:107:62 [INFO] [stdout] | [INFO] [stdout] 107 | ... self.exported_functions.push(name.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:109:60 [INFO] [stdout] | [INFO] [stdout] 109 | ... self.imported_symbols.push(name.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:107:62 [INFO] [stdout] | [INFO] [stdout] 107 | ... self.exported_functions.push(name.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:109:60 [INFO] [stdout] | [INFO] [stdout] 109 | ... self.imported_symbols.push(name.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [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 [unoptimized + debuginfo] target(s) in 6.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.31.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "994d6af280b217a0295b6a178f95ca762af38ee9fec6b1577faeae16f1c1ce31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "994d6af280b217a0295b6a178f95ca762af38ee9fec6b1577faeae16f1c1ce31", kill_on_drop: false }` [INFO] [stdout] 994d6af280b217a0295b6a178f95ca762af38ee9fec6b1577faeae16f1c1ce31