[INFO] fetching crate priority-matrix 0.2.0... [INFO] checking priority-matrix-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate priority-matrix 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate priority-matrix 0.2.0 [INFO] finished tweaking crates.io crate priority-matrix 0.2.0 [INFO] tweaked toml for crates.io crate priority-matrix 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate priority-matrix 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] crate crates.io crate priority-matrix 0.2.0 already has a lockfile, it will not be regenerated [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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f63ad00f557dd18c7f2467ff71cf0b4c0fbd19fbff169514e6318e29f761b123 [INFO] running `Command { std: "docker" "start" "-a" "f63ad00f557dd18c7f2467ff71cf0b4c0fbd19fbff169514e6318e29f761b123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f63ad00f557dd18c7f2467ff71cf0b4c0fbd19fbff169514e6318e29f761b123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f63ad00f557dd18c7f2467ff71cf0b4c0fbd19fbff169514e6318e29f761b123", kill_on_drop: false }` [INFO] [stdout] f63ad00f557dd18c7f2467ff71cf0b4c0fbd19fbff169514e6318e29f761b123 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8d3f9408c6f71161327e52494e93db01b16d806972680bb8a77ca01972e960f [INFO] running `Command { std: "docker" "start" "-a" "c8d3f9408c6f71161327e52494e93db01b16d806972680bb8a77ca01972e960f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling priority-queue v1.3.1 [INFO] [stderr] Checking priority-matrix v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:94:31 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [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] 94 - pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option> { [INFO] [stdout] 94 + pub fn peek_from_row<'a>(&'a self, row: &'a R) -> 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/lib.rs:94:31 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [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] 94 - pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option> { [INFO] [stdout] 94 + pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.11s [INFO] running `Command { std: "docker" "inspect" "c8d3f9408c6f71161327e52494e93db01b16d806972680bb8a77ca01972e960f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8d3f9408c6f71161327e52494e93db01b16d806972680bb8a77ca01972e960f", kill_on_drop: false }` [INFO] [stdout] c8d3f9408c6f71161327e52494e93db01b16d806972680bb8a77ca01972e960f