[INFO] fetching crate qn 0.2.0... [INFO] checking qn-0.2.0 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808 [INFO] extracting crate qn 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate qn 0.2.0 [INFO] finished tweaking crates.io crate qn 0.2.0 [INFO] tweaked toml for crates.io crate qn 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate qn 0.2.0 on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 83 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.5.1 (available: v0.6.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rand_chacha v0.3.1 (available: v0.9.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ffea0395fdb897859b9d2e47a5efe633a8c78eb6b467b172300adf5d9afa690e [INFO] running `Command { std: "docker" "start" "-a" "ffea0395fdb897859b9d2e47a5efe633a8c78eb6b467b172300adf5d9afa690e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffea0395fdb897859b9d2e47a5efe633a8c78eb6b467b172300adf5d9afa690e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffea0395fdb897859b9d2e47a5efe633a8c78eb6b467b172300adf5d9afa690e", kill_on_drop: false }` [INFO] [stdout] ffea0395fdb897859b9d2e47a5efe633a8c78eb6b467b172300adf5d9afa690e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a54e9ec0d7825552d7c6fa7b1b0747f5556d180c68574f111d5c9c9a3d52e662 [INFO] running `Command { std: "docker" "start" "-a" "a54e9ec0d7825552d7c6fa7b1b0747f5556d180c68574f111d5c9c9a3d52e662", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde_json v1.0.141 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking clap_builder v4.5.41 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking is-terminal v0.4.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking clap v4.5.41 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking qn v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/qubit.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | stm: &'a mut System, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 64 | index: u16, [INFO] [stdout] 65 | ) -> Option> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 65 - ) -> Option> { [INFO] [stdout] 65 + ) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/qubit.rs:84:15 [INFO] [stdout] | [INFO] [stdout] 84 | stm: &'a mut System, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 87 | ) -> Option<(Qubit<'_, T>, Qubit<'_, T>)> { [INFO] [stdout] | -- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 87 - ) -> Option<(Qubit<'_, T>, Qubit<'_, T>)> { [INFO] [stdout] 87 + ) -> Option<(Qubit<'a, T>, Qubit<'a, T>)> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/qubit.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | stm: &'a mut System, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 64 | index: u16, [INFO] [stdout] 65 | ) -> Option> { [INFO] [stdout] | -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 65 - ) -> Option> { [INFO] [stdout] 65 + ) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/qubit.rs:84:15 [INFO] [stdout] | [INFO] [stdout] 84 | stm: &'a mut System, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 87 | ) -> Option<(Qubit<'_, T>, Qubit<'_, T>)> { [INFO] [stdout] | -- -- the lifetimes get resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 87 - ) -> Option<(Qubit<'_, T>, Qubit<'_, T>)> { [INFO] [stdout] 87 + ) -> Option<(Qubit<'a, T>, Qubit<'a, T>)> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.10s [INFO] running `Command { std: "docker" "inspect" "a54e9ec0d7825552d7c6fa7b1b0747f5556d180c68574f111d5c9c9a3d52e662", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a54e9ec0d7825552d7c6fa7b1b0747f5556d180c68574f111d5c9c9a3d52e662", kill_on_drop: false }` [INFO] [stdout] a54e9ec0d7825552d7c6fa7b1b0747f5556d180c68574f111d5c9c9a3d52e662