[INFO] fetching crate sparse_graph 0.1.3... [INFO] checking sparse_graph-0.1.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate sparse_graph 0.1.3 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate sparse_graph 0.1.3 [INFO] finished tweaking crates.io crate sparse_graph 0.1.3 [INFO] tweaked toml for crates.io crate sparse_graph 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sparse_graph 0.1.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a29e43bb81788d78d1400ccb6155ecc256b2645bca63791e8862c39c2b75de8 [INFO] running `Command { std: "docker" "start" "-a" "2a29e43bb81788d78d1400ccb6155ecc256b2645bca63791e8862c39c2b75de8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a29e43bb81788d78d1400ccb6155ecc256b2645bca63791e8862c39c2b75de8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a29e43bb81788d78d1400ccb6155ecc256b2645bca63791e8862c39c2b75de8", kill_on_drop: false }` [INFO] [stdout] 2a29e43bb81788d78d1400ccb6155ecc256b2645bca63791e8862c39c2b75de8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 830c20372a32f29f28cf70efdefb4b01a5f19b2c704fea0d5f8b1b238881d06b [INFO] running `Command { std: "docker" "start" "-a" "830c20372a32f29f28cf70efdefb4b01a5f19b2c704fea0d5f8b1b238881d06b", kill_on_drop: false }` [INFO] [stderr] Checking sparse_graph v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `idxptr`, `indices`, and `weights` are never read [INFO] [stdout] --> src/lib.rs:237:5 [INFO] [stdout] | [INFO] [stdout] 234 | pub struct WeightedSparseGraph<'a, W> { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 237 | idxptr: &'a Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 240 | indices: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 243 | weights: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WeightedSparseGraph` 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 `values` is never read [INFO] [stdout] --> src/lib.rs:256:5 [INFO] [stdout] | [INFO] [stdout] 247 | pub struct ValuedSparseGraph<'a, V> { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 256 | values: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ValuedSparseGraph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `idxptr`, `indices`, `values`, and `weights` are never read [INFO] [stdout] --> src/lib.rs:272:5 [INFO] [stdout] | [INFO] [stdout] 269 | pub struct WeightedValuedSparseGraph<'a, W, V> { [INFO] [stdout] | ------------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 272 | idxptr: &'a Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 275 | indices: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 278 | values: &'a Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 281 | weights: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WeightedValuedSparseGraph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:16 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn scc(&self) -> ConnectedComponents { [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn scc(&self) -> ConnectedComponents<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:260:28 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn as_sparse_graph(&self) -> SparseGraph { [INFO] [stdout] | ^^^^^ ----------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 260 | pub fn as_sparse_graph(&self) -> SparseGraph<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `idxptr`, `indices`, and `weights` are never read [INFO] [stdout] --> src/lib.rs:237:5 [INFO] [stdout] | [INFO] [stdout] 234 | pub struct WeightedSparseGraph<'a, W> { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 237 | idxptr: &'a Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 240 | indices: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 243 | weights: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WeightedSparseGraph` 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 `values` is never read [INFO] [stdout] --> src/lib.rs:256:5 [INFO] [stdout] | [INFO] [stdout] 247 | pub struct ValuedSparseGraph<'a, V> { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 256 | values: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ValuedSparseGraph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `idxptr`, `indices`, `values`, and `weights` are never read [INFO] [stdout] --> src/lib.rs:272:5 [INFO] [stdout] | [INFO] [stdout] 269 | pub struct WeightedValuedSparseGraph<'a, W, V> { [INFO] [stdout] | ------------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 272 | idxptr: &'a Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 275 | indices: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 278 | values: &'a Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 281 | weights: &'a Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WeightedValuedSparseGraph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:67:16 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn scc(&self) -> ConnectedComponents { [INFO] [stdout] | ^^^^^ ------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 67 | pub fn scc(&self) -> ConnectedComponents<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:260:28 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn as_sparse_graph(&self) -> SparseGraph { [INFO] [stdout] | ^^^^^ ----------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 260 | pub fn as_sparse_graph(&self) -> SparseGraph<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "830c20372a32f29f28cf70efdefb4b01a5f19b2c704fea0d5f8b1b238881d06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "830c20372a32f29f28cf70efdefb4b01a5f19b2c704fea0d5f8b1b238881d06b", kill_on_drop: false }` [INFO] [stdout] 830c20372a32f29f28cf70efdefb4b01a5f19b2c704fea0d5f8b1b238881d06b