[INFO] fetching crate hibitgraph 0.1.0... [INFO] testing hibitgraph-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate hibitgraph 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate hibitgraph 0.1.0 [INFO] finished tweaking crates.io crate hibitgraph 0.1.0 [INFO] tweaked toml for crates.io crate hibitgraph 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate hibitgraph 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 65 packages to latest compatible versions [INFO] [stderr] Adding bit-set v0.4.0 (available: v0.8.0) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bit-vec v0.4.4 [INFO] [stderr] Downloaded bit-set v0.4.0 [INFO] [stderr] Downloaded hibitset v0.6.4 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f82b0994e997b93ce10b1c6d23a8f8cf36ba5c0004d5ea7736e5a02e10051143 [INFO] running `Command { std: "docker" "start" "-a" "f82b0994e997b93ce10b1c6d23a8f8cf36ba5c0004d5ea7736e5a02e10051143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f82b0994e997b93ce10b1c6d23a8f8cf36ba5c0004d5ea7736e5a02e10051143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f82b0994e997b93ce10b1c6d23a8f8cf36ba5c0004d5ea7736e5a02e10051143", kill_on_drop: false }` [INFO] [stdout] f82b0994e997b93ce10b1c6d23a8f8cf36ba5c0004d5ea7736e5a02e10051143 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f492617a3569b60242e90611d869077f6afc6b1fa61475a8cc5a2df55a6ce661 [INFO] running `Command { std: "docker" "start" "-a" "f492617a3569b60242e90611d869077f6afc6b1fa61475a8cc5a2df55a6ce661", kill_on_drop: false }` [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling hibitset v0.6.4 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Compiling hibitgraph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:246:25 [INFO] [stdout] | [INFO] [stdout] 246 | let mut r = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:222:16 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn dfs(&self, v: u32) -> DfsIterator { [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] 222 | pub fn dfs(&self, v: u32) -> DfsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "f492617a3569b60242e90611d869077f6afc6b1fa61475a8cc5a2df55a6ce661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f492617a3569b60242e90611d869077f6afc6b1fa61475a8cc5a2df55a6ce661", kill_on_drop: false }` [INFO] [stdout] f492617a3569b60242e90611d869077f6afc6b1fa61475a8cc5a2df55a6ce661 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b97561c4d4d0dc25cce4fe7830e05791670bceda4828a295005f711d185b74f [INFO] running `Command { std: "docker" "start" "-a" "5b97561c4d4d0dc25cce4fe7830e05791670bceda4828a295005f711d185b74f", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling csv-core v0.1.13 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:246:25 [INFO] [stdout] | [INFO] [stdout] 246 | let mut r = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:222:16 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn dfs(&self, v: u32) -> DfsIterator { [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] 222 | pub fn dfs(&self, v: u32) -> DfsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling csv v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.6 [INFO] [stderr] Compiling hibitgraph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DfsIterator` [INFO] [stdout] --> src/lib.rs:268:27 [INFO] [stdout] | [INFO] [stdout] 268 | use super::{BitGraph, DfsIterator}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:246:25 [INFO] [stdout] | [INFO] [stdout] 246 | let mut r = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let mut c = BitGraph::with_capacity(capacity as u32); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:283:13 [INFO] [stdout] | [INFO] [stdout] 283 | let mut c = BitGraph::complete(capacity as u32); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | for i in 0..capacity { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:222:16 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn dfs(&self, v: u32) -> DfsIterator { [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] 222 | pub fn dfs(&self, v: u32) -> DfsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 20.85s [INFO] running `Command { std: "docker" "inspect" "5b97561c4d4d0dc25cce4fe7830e05791670bceda4828a295005f711d185b74f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b97561c4d4d0dc25cce4fe7830e05791670bceda4828a295005f711d185b74f", kill_on_drop: false }` [INFO] [stdout] 5b97561c4d4d0dc25cce4fe7830e05791670bceda4828a295005f711d185b74f [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d5fdecdb181981ff1b0ea06aa69e91a6eb782d435a4883b6aa5194f76f2272b9 [INFO] running `Command { std: "docker" "start" "-a" "d5fdecdb181981ff1b0ea06aa69e91a6eb782d435a4883b6aa5194f76f2272b9", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/lib.rs:246:25 [INFO] [stderr] | [INFO] [stderr] 246 | let mut r = None; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:222:16 [INFO] [stderr] | [INFO] [stderr] 222 | pub fn dfs(&self, v: u32) -> DfsIterator { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 222 | pub fn dfs(&self, v: u32) -> DfsIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `hibitgraph` (lib) generated 2 warnings (run `cargo fix --lib -p hibitgraph` to apply 1 suggestion) [INFO] [stderr] warning: unused import: `DfsIterator` [INFO] [stderr] --> src/lib.rs:268:27 [INFO] [stderr] | [INFO] [stderr] 268 | use super::{BitGraph, DfsIterator}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:274:13 [INFO] [stderr] | [INFO] [stderr] 274 | let mut c = BitGraph::with_capacity(capacity as u32); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | let mut c = BitGraph::complete(capacity as u32); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:287:13 [INFO] [stderr] | [INFO] [stderr] 287 | for i in 0..capacity { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `hibitgraph` (lib test) generated 6 warnings (2 duplicates) (run `cargo fix --lib -p hibitgraph --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hibitgraph-7df22fa75143c94a) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::contract_edge ... ok [INFO] [stdout] test tests::add_edge ... ok [INFO] [stdout] test tests::complete ... ok [INFO] [stdout] test tests::remove_edge ... ok [INFO] [stdout] test tests::dfs ... ok [INFO] [stdout] test tests::with_capacity ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s [INFO] [stdout] [INFO] [stderr] Doc-tests hibitgraph [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d5fdecdb181981ff1b0ea06aa69e91a6eb782d435a4883b6aa5194f76f2272b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5fdecdb181981ff1b0ea06aa69e91a6eb782d435a4883b6aa5194f76f2272b9", kill_on_drop: false }` [INFO] [stdout] d5fdecdb181981ff1b0ea06aa69e91a6eb782d435a4883b6aa5194f76f2272b9