[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/380fe272ce55b649b013afd2e750bbaaf7ac9e3c against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNattapongSiri%2Fvec_optimization_test" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NattapongSiri/vec_optimization_test on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b89ab54baf3b7c71257b2e46022b627d1b90e727a39db7654bd2414dea31760f
[INFO] running `Command { std: "docker" "start" "-a" "b89ab54baf3b7c71257b2e46022b627d1b90e727a39db7654bd2414dea31760f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b89ab54baf3b7c71257b2e46022b627d1b90e727a39db7654bd2414dea31760f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89ab54baf3b7c71257b2e46022b627d1b90e727a39db7654bd2414dea31760f", kill_on_drop: false }`
[INFO] [stdout] b89ab54baf3b7c71257b2e46022b627d1b90e727a39db7654bd2414dea31760f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a6a80d38b1564f42eb6534b86e299611c8b54da8e7a5f201956b9ccc46e4d3d
[INFO] running `Command { std: "docker" "start" "-a" "0a6a80d38b1564f42eb6534b86e299611c8b54da8e7a5f201956b9ccc46e4d3d", 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<K, V> VecPair<K, V> {
[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<K, V> TupleVec<K, V> {
[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<T> FlattenVec<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 188 |     pub fn new() -> Self {
[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<K, V> VecPair<K, V> {
[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<K, V> TupleVec<K, V> {
[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<T> FlattenVec<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 188 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0a6a80d38b1564f42eb6534b86e299611c8b54da8e7a5f201956b9ccc46e4d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6a80d38b1564f42eb6534b86e299611c8b54da8e7a5f201956b9ccc46e4d3d", kill_on_drop: false }`
[INFO] [stdout] 0a6a80d38b1564f42eb6534b86e299611c8b54da8e7a5f201956b9ccc46e4d3d