[INFO] cloning repository https://github.com/NattapongSiri/vec_optimization_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NattapongSiri/vec_optimization_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fvec_optimization_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fvec_optimization_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 380fe272ce55b649b013afd2e750bbaaf7ac9e3c [INFO] checking NattapongSiri/vec_optimization_test against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fvec_optimization_test" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NattapongSiri/vec_optimization_test [INFO] finished tweaking git repo https://github.com/NattapongSiri/vec_optimization_test [INFO] tweaked toml for git repo https://github.com/NattapongSiri/vec_optimization_test written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NattapongSiri/vec_optimization_test on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NattapongSiri/vec_optimization_test 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 505505c32b4554c7bec6670708a2b99e2a415bcebd338f159549d7faa6481592 [INFO] running `Command { std: "docker" "start" "-a" "505505c32b4554c7bec6670708a2b99e2a415bcebd338f159549d7faa6481592", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "505505c32b4554c7bec6670708a2b99e2a415bcebd338f159549d7faa6481592", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "505505c32b4554c7bec6670708a2b99e2a415bcebd338f159549d7faa6481592", kill_on_drop: false }` [INFO] [stdout] 505505c32b4554c7bec6670708a2b99e2a415bcebd338f159549d7faa6481592 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f65b8867be5e992f102b6544c38893edfbbfebde5b77b327e8a6de6f095aa13 [INFO] running `Command { std: "docker" "start" "-a" "3f65b8867be5e992f102b6544c38893edfbbfebde5b77b327e8a6de6f095aa13", kill_on_drop: false }` [INFO] [stderr] Checking vec_experiment v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl VecPair { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:110:12 [INFO] [stdout] | [INFO] [stdout] 109 | impl TupleVec { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] 110 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 187 | impl FlattenVec { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 188 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter(&self) -> core::iter::Zip, core::slice::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] 57 | pub fn iter(&self) -> core::iter::Zip, core::slice::Iter<'_, V>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn iter_mut(&mut self) -> core::iter::Zip, core::slice::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] 61 | pub fn iter_mut(&mut self) -> core::iter::Zip, core::slice::IterMut<'_, V>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn iter(&self) -> core::slice::Iter<(K, V)> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [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] 137 | pub fn iter(&self) -> core::slice::Iter<'_, (K, V)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:141:21 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn iter_mut(&mut self) -> core::slice::IterMut<(K, V)> { [INFO] [stdout] | ^^^^^^^^^ ---------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [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] 141 | pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, (K, V)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl VecPair { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:110:12 [INFO] [stdout] | [INFO] [stdout] 109 | impl TupleVec { [INFO] [stdout] | ------------------------- associated function in this implementation [INFO] [stdout] 110 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 187 | impl FlattenVec { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 188 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn iter(&self) -> core::iter::Zip, core::slice::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] 57 | pub fn iter(&self) -> core::iter::Zip, core::slice::Iter<'_, V>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn iter_mut(&mut self) -> core::iter::Zip, core::slice::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] 61 | pub fn iter_mut(&mut self) -> core::iter::Zip, core::slice::IterMut<'_, V>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn iter(&self) -> core::slice::Iter<(K, V)> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [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] 137 | pub fn iter(&self) -> core::slice::Iter<'_, (K, V)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:141:21 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn iter_mut(&mut self) -> core::slice::IterMut<(K, V)> { [INFO] [stdout] | ^^^^^^^^^ ---------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [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] 141 | pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, (K, V)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "3f65b8867be5e992f102b6544c38893edfbbfebde5b77b327e8a6de6f095aa13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f65b8867be5e992f102b6544c38893edfbbfebde5b77b327e8a6de6f095aa13", kill_on_drop: false }` [INFO] [stdout] 3f65b8867be5e992f102b6544c38893edfbbfebde5b77b327e8a6de6f095aa13