[INFO] fetching crate ritenn 0.1.0... [INFO] checking ritenn-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate ritenn 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate ritenn 0.1.0 [INFO] finished tweaking crates.io crate ritenn 0.1.0 [INFO] tweaked toml for crates.io crate ritenn 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ritenn 0.1.0 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 ritenn 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 726681f28c2231969e1a7dc7d08630a496f2780f08a51d2018c58d5e9959defc [INFO] running `Command { std: "docker" "start" "-a" "726681f28c2231969e1a7dc7d08630a496f2780f08a51d2018c58d5e9959defc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "726681f28c2231969e1a7dc7d08630a496f2780f08a51d2018c58d5e9959defc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "726681f28c2231969e1a7dc7d08630a496f2780f08a51d2018c58d5e9959defc", kill_on_drop: false }` [INFO] [stdout] 726681f28c2231969e1a7dc7d08630a496f2780f08a51d2018c58d5e9959defc [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36da57b21f091df49efbcf30214e8ea03ef06a18aa0ec8fc03a4a31b70019e48 [INFO] running `Command { std: "docker" "start" "-a" "36da57b21f091df49efbcf30214e8ea03ef06a18aa0ec8fc03a4a31b70019e48", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.90 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rand_distr v0.4.0 [INFO] [stderr] Checking ritenn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:324:23 [INFO] [stdout] | [INFO] [stdout] 324 | pub fn train<'b>(&'b mut self, examples: &'b [(Vec, Vec)]) -> Trainer { [INFO] [stdout] | ^^ ^^ ------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'b` [INFO] [stdout] | | | the lifetimes get resolved as `'b` [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 `'b` [INFO] [stdout] | [INFO] [stdout] 324 | pub fn train<'b>(&'b mut self, examples: &'b [(Vec, Vec)]) -> Trainer<'b> { [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:324:23 [INFO] [stdout] | [INFO] [stdout] 324 | pub fn train<'b>(&'b mut self, examples: &'b [(Vec, Vec)]) -> Trainer { [INFO] [stdout] | ^^ ^^ ------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'b` [INFO] [stdout] | | | the lifetimes get resolved as `'b` [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 `'b` [INFO] [stdout] | [INFO] [stdout] 324 | pub fn train<'b>(&'b mut self, examples: &'b [(Vec, Vec)]) -> Trainer<'b> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s [INFO] running `Command { std: "docker" "inspect" "36da57b21f091df49efbcf30214e8ea03ef06a18aa0ec8fc03a4a31b70019e48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36da57b21f091df49efbcf30214e8ea03ef06a18aa0ec8fc03a4a31b70019e48", kill_on_drop: false }` [INFO] [stdout] 36da57b21f091df49efbcf30214e8ea03ef06a18aa0ec8fc03a4a31b70019e48