[INFO] fetching crate stack-db 0.3.5... [INFO] checking stack-db-0.3.5 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate stack-db 0.3.5 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate stack-db 0.3.5 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate stack-db 0.3.5 [INFO] tweaked toml for crates.io crate stack-db 0.3.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stack-db 0.3.5 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate stack-db 0.3.5 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b124879d374a5681a06762998251919d4c84e4218a00e6c7607f312dc05d6bff [INFO] running `Command { std: "docker" "start" "-a" "b124879d374a5681a06762998251919d4c84e4218a00e6c7607f312dc05d6bff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b124879d374a5681a06762998251919d4c84e4218a00e6c7607f312dc05d6bff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b124879d374a5681a06762998251919d4c84e4218a00e6c7607f312dc05d6bff", kill_on_drop: false }` [INFO] [stdout] b124879d374a5681a06762998251919d4c84e4218a00e6c7607f312dc05d6bff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fea9463126a6886d10e0e8c8f81e55a90fa94980e8de97e1d10b565377b88669 [INFO] running `Command { std: "docker" "start" "-a" "fea9463126a6886d10e0e8c8f81e55a90fa94980e8de97e1d10b565377b88669", kill_on_drop: false }` [INFO] [stderr] Checking stack-db v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/base/layer.rs:123:27 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn read_unchecked(&mut self, addr: &Range) -> Result<(Range, Cow<[u8]>), Error> { [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output --------- 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] 123 | pub fn read_unchecked(&mut self, addr: &Range) -> Result<(Range, Cow<'_, [u8]>), Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/base/layer.rs:123:27 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn read_unchecked(&mut self, addr: &Range) -> Result<(Range, Cow<[u8]>), Error> { [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output --------- 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] 123 | pub fn read_unchecked(&mut self, addr: &Range) -> Result<(Range, Cow<'_, [u8]>), Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "fea9463126a6886d10e0e8c8f81e55a90fa94980e8de97e1d10b565377b88669", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fea9463126a6886d10e0e8c8f81e55a90fa94980e8de97e1d10b565377b88669", kill_on_drop: false }` [INFO] [stdout] fea9463126a6886d10e0e8c8f81e55a90fa94980e8de97e1d10b565377b88669