[INFO] cloning repository https://github.com/Hmiya6/rust-toy-vector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hmiya6/rust-toy-vector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-toy-vector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-toy-vector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93594f45382f3f667de2bc9890ce902a634f9f33
[INFO] checking Hmiya6/rust-toy-vector against master#80ed61fbd64936ed676c2050e7e660b5ad78c9f2 for pr-100555
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-toy-vector" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hmiya6/rust-toy-vector on toolchain 80ed61fbd64936ed676c2050e7e660b5ad78c9f2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hmiya6/rust-toy-vector
[INFO] finished tweaking git repo https://github.com/Hmiya6/rust-toy-vector
[INFO] tweaked toml for git repo https://github.com/Hmiya6/rust-toy-vector written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Hmiya6/rust-toy-vector already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99a65c3aa144766ce4121d700e8f5ba718306ccb6f9f26b73926d4b3e863f865
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[INFO] running `Command { std: "docker" "inspect" "99a65c3aa144766ce4121d700e8f5ba718306ccb6f9f26b73926d4b3e863f865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a65c3aa144766ce4121d700e8f5ba718306ccb6f9f26b73926d4b3e863f865", kill_on_drop: false }`
[INFO] [stdout] 99a65c3aa144766ce4121d700e8f5ba718306ccb6f9f26b73926d4b3e863f865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8562517e169dc7fe4a6a0249ce20e6632de131b9c55a867f00b83196e4b9ad6
[INFO] running `Command { std: "docker" "start" "-a" "b8562517e169dc7fe4a6a0249ce20e6632de131b9c55a867f00b83196e4b9ad6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking my-vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::ToyVec`
[INFO] [stdout]  --> src/toyiter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ToyVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ToyVec`
[INFO] [stdout]  --> src/toyiter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::ToyVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ToyVec` is never constructed
[INFO] [stdout]  --> src/toyvec.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ToyVec<T> {
[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/toyvec.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]   --> src/toyvec.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `allocate_in_heap` is never used
[INFO] [stdout]   --> src/toyvec.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn allocate_in_heap(size: usize) -> Box<[T]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `len` is never used
[INFO] [stdout]   --> src/toyvec.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `capacity` is never used
[INFO] [stdout]   --> src/toyvec.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `push` is never used
[INFO] [stdout]   --> src/toyvec.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn push(&mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/toyvec.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `grow` is never used
[INFO] [stdout]   --> src/toyvec.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn grow(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_or` is never used
[INFO] [stdout]   --> src/toyvec.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn get_or<'a>(&'a self, index: usize, default: &'a T) -> &'a T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `pop` is never used
[INFO] [stdout]   --> src/toyvec.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `iter` is never used
[INFO] [stdout]   --> src/toyvec.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn iter(&self) -> ToyIter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_toyvec` is never used
[INFO] [stdout]   --> src/toyiter.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn from_toyvec(elements: &'vec [T], len: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ToyVec` is never constructed
[INFO] [stdout]  --> src/toyvec.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ToyVec<T> {
[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/toyvec.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]   --> src/toyvec.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `allocate_in_heap` is never used
[INFO] [stdout]   --> src/toyvec.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn allocate_in_heap(size: usize) -> Box<[T]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `len` is never used
[INFO] [stdout]   --> src/toyvec.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `capacity` is never used
[INFO] [stdout]   --> src/toyvec.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `push` is never used
[INFO] [stdout]   --> src/toyvec.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn push(&mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/toyvec.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `grow` is never used
[INFO] [stdout]   --> src/toyvec.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn grow(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_or` is never used
[INFO] [stdout]   --> src/toyvec.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn get_or<'a>(&'a self, index: usize, default: &'a T) -> &'a T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `pop` is never used
[INFO] [stdout]   --> src/toyvec.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `iter` is never used
[INFO] [stdout]   --> src/toyvec.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn iter(&self) -> ToyIter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_toyvec` is never used
[INFO] [stdout]   --> src/toyiter.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn from_toyvec(elements: &'vec [T], len: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "b8562517e169dc7fe4a6a0249ce20e6632de131b9c55a867f00b83196e4b9ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8562517e169dc7fe4a6a0249ce20e6632de131b9c55a867f00b83196e4b9ad6", kill_on_drop: false }`
[INFO] [stdout] b8562517e169dc7fe4a6a0249ce20e6632de131b9c55a867f00b83196e4b9ad6