[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#6f40082313d8374bdf962aba943a712d5322fae6 for pr-117967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-toy-vector" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Hmiya6/rust-toy-vector on toolchain 6f40082313d8374bdf962aba943a712d5322fae6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6f40082313d8374bdf962aba943a712d5322fae6" "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-3-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6f40082313d8374bdf962aba943a712d5322fae6" "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 [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking Hmiya6/rust-toy-vector against try#57fd74335bb14b59b719dc3cc5bc4257e73f33ce for pr-117967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHmiya6%2Frust-toy-vector" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Hmiya6/rust-toy-vector on toolchain 57fd74335bb14b59b719dc3cc5bc4257e73f33ce [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "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-3-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9df00f8f9c30ea5dfd5056e032f252d75c7cff79f57617f52e3b32fd27a82fcf [INFO] running `Command { std: "docker" "start" "-a" "9df00f8f9c30ea5dfd5056e032f252d75c7cff79f57617f52e3b32fd27a82fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9df00f8f9c30ea5dfd5056e032f252d75c7cff79f57617f52e3b32fd27a82fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9df00f8f9c30ea5dfd5056e032f252d75c7cff79f57617f52e3b32fd27a82fcf", kill_on_drop: false }` [INFO] [stdout] 9df00f8f9c30ea5dfd5056e032f252d75c7cff79f57617f52e3b32fd27a82fcf [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c186ae6e9ca334027daa971fdd1280a85abed393dfee3ed70226af30089a5eb6 [INFO] running `Command { std: "docker" "start" "-a" "c186ae6e9ca334027daa971fdd1280a85abed393dfee3ed70226af30089a5eb6", kill_on_drop: false }` [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: struct `ToyVec` is never constructed [INFO] [stdout] --> src/toyvec.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ToyVec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/toyvec.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl ToyVec { [INFO] [stdout] | -------------------------- associated items in this implementation [INFO] [stdout] 11 | [INFO] [stdout] 12 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn with_capacity(capacity: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn allocate_in_heap(size: usize) -> Box<[T]> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn capacity(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn push(&mut self, element: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn get(&self, index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn grow(&mut self) { [INFO] [stdout] | ^^^^ [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] 76 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | pub fn iter(&self) -> ToyIter { [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] 13 | impl<'vec, T> ToyIter<'vec, T> { [INFO] [stdout] | ------------------------------ associated function in this implementation [INFO] [stdout] 14 | [INFO] [stdout] 15 | pub fn from_toyvec(elements: &'vec [T], len: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [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: 4 warnings emitted [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 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/toyvec.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl ToyVec { [INFO] [stdout] | -------------------------- associated items in this implementation [INFO] [stdout] 11 | [INFO] [stdout] 12 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn with_capacity(capacity: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn allocate_in_heap(size: usize) -> Box<[T]> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn capacity(&self) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn push(&mut self, element: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn get(&self, index: usize) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn grow(&mut self) { [INFO] [stdout] | ^^^^ [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] 76 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | pub fn iter(&self) -> ToyIter { [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] 13 | impl<'vec, T> ToyIter<'vec, T> { [INFO] [stdout] | ------------------------------ associated function in this implementation [INFO] [stdout] 14 | [INFO] [stdout] 15 | pub fn from_toyvec(elements: &'vec [T], len: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "c186ae6e9ca334027daa971fdd1280a85abed393dfee3ed70226af30089a5eb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c186ae6e9ca334027daa971fdd1280a85abed393dfee3ed70226af30089a5eb6", kill_on_drop: false }` [INFO] [stdout] c186ae6e9ca334027daa971fdd1280a85abed393dfee3ed70226af30089a5eb6