[INFO] fetching crate sliding_window_alt 0.1.2... [INFO] checking sliding_window_alt-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate sliding_window_alt 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate sliding_window_alt 0.1.2 [INFO] finished tweaking crates.io crate sliding_window_alt 0.1.2 [INFO] tweaked toml for crates.io crate sliding_window_alt 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sliding_window_alt 0.1.2 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 sliding_window_alt 0.1.2 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ca97268c66bd285934454fe6625eba0ef3aa661920d1355a4cb74335d8effe5 [INFO] running `Command { std: "docker" "start" "-a" "7ca97268c66bd285934454fe6625eba0ef3aa661920d1355a4cb74335d8effe5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ca97268c66bd285934454fe6625eba0ef3aa661920d1355a4cb74335d8effe5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ca97268c66bd285934454fe6625eba0ef3aa661920d1355a4cb74335d8effe5", kill_on_drop: false }` [INFO] [stdout] 7ca97268c66bd285934454fe6625eba0ef3aa661920d1355a4cb74335d8effe5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7f08098dcfc3064475ebe5d563e7e2ba772035bf1135d35bf836bc9bc66923cd [INFO] running `Command { std: "docker" "start" "-a" "7f08098dcfc3064475ebe5d563e7e2ba772035bf1135d35bf836bc9bc66923cd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling libc v0.2.122 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling circular-queue v0.2.6 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking queues v1.1.0 [INFO] [stderr] Checking sliding_window_alt v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:246:17 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn iter(&self) -> Chain, Iter> { [INFO] [stdout] | ^^^^^ ------- ------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [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] 246 | pub fn iter(&self) -> Chain, Iter<'_, T>> { [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:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut> { [INFO] [stdout] | ^^^^^^^^^ ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking sliding_window v0.1.2 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:246:17 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn iter(&self) -> Chain, Iter> { [INFO] [stdout] | ^^^^^ ------- ------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [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] 246 | pub fn iter(&self) -> Chain, Iter<'_, T>> { [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:252:21 [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut> { [INFO] [stdout] | ^^^^^^^^^ ---------- ---------- the lifetimes get resolved as `'_` [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 252 | pub fn iter_mut(&mut self) -> Chain, IterMut<'_, T>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.42s [INFO] running `Command { std: "docker" "inspect" "7f08098dcfc3064475ebe5d563e7e2ba772035bf1135d35bf836bc9bc66923cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f08098dcfc3064475ebe5d563e7e2ba772035bf1135d35bf836bc9bc66923cd", kill_on_drop: false }` [INFO] [stdout] 7f08098dcfc3064475ebe5d563e7e2ba772035bf1135d35bf836bc9bc66923cd