[INFO] fetching crate prusti-specs 0.2.0... [INFO] checking prusti-specs-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate prusti-specs 0.2.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate prusti-specs 0.2.0 [INFO] finished tweaking crates.io crate prusti-specs 0.2.0 [INFO] tweaked toml for crates.io crate prusti-specs 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate prusti-specs 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 26 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.11.0 (available: v0.14.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.1.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.104) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0216f55d28ec8757e4d662398fcb4725684a1c3311608b1e934923a211c4264 [INFO] running `Command { std: "docker" "start" "-a" "e0216f55d28ec8757e4d662398fcb4725684a1c3311608b1e934923a211c4264", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0216f55d28ec8757e4d662398fcb4725684a1c3311608b1e934923a211c4264", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0216f55d28ec8757e4d662398fcb4725684a1c3311608b1e934923a211c4264", kill_on_drop: false }` [INFO] [stdout] e0216f55d28ec8757e4d662398fcb4725684a1c3311608b1e934923a211c4264 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7101872c6ec3b447255171d9c6920775e9af75fcb71a458a805225b715f33c7e [INFO] running `Command { std: "docker" "start" "-a" "7101872c6ec3b447255171d9c6920775e9af75fcb71a458a805225b715f33c7e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking unicode-ident v1.0.18 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking uuid v1.17.0 [INFO] [stderr] Checking prusti-specs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(extract_if)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `extract_if` has been stable since 1.87.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(extract_if)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `sig_mut` is never used [INFO] [stdout] --> src/common.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub(crate) trait HasSignature { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 64 | fn sig(&self) -> &Signature; [INFO] [stdout] 65 | fn sig_mut(&mut self) -> &mut Signature; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/specifications/preparser.rs:652:20 [INFO] [stdout] | [INFO] [stdout] 652 | CallDesc(Span, bool), [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PrustiToken` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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] 652 - CallDesc(Span, bool), [INFO] [stdout] 652 + CallDesc(Span, ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/extern_spec_rewriter/traits.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | item_trait: &syn::ItemTrait, [INFO] [stdout] | ^^^^^^^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | trait_path: syn::Path, [INFO] [stdout] 52 | ) -> syn::Result { [INFO] [stdout] | --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> syn::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `sig_mut` is never used [INFO] [stdout] --> src/common.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub(crate) trait HasSignature { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 64 | fn sig(&self) -> &Signature; [INFO] [stdout] 65 | fn sig_mut(&mut self) -> &mut Signature; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/specifications/preparser.rs:652:20 [INFO] [stdout] | [INFO] [stdout] 652 | CallDesc(Span, bool), [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PrustiToken` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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] 652 - CallDesc(Span, bool), [INFO] [stdout] 652 + CallDesc(Span, ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/extern_spec_rewriter/traits.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | item_trait: &syn::ItemTrait, [INFO] [stdout] | ^^^^^^^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 51 | trait_path: syn::Path, [INFO] [stdout] 52 | ) -> syn::Result { [INFO] [stdout] | --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | ) -> syn::Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s [INFO] running `Command { std: "docker" "inspect" "7101872c6ec3b447255171d9c6920775e9af75fcb71a458a805225b715f33c7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7101872c6ec3b447255171d9c6920775e9af75fcb71a458a805225b715f33c7e", kill_on_drop: false }` [INFO] [stdout] 7101872c6ec3b447255171d9c6920775e9af75fcb71a458a805225b715f33c7e