[INFO] cloning repository https://github.com/kuy/opendatastructures-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuy/opendatastructures-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72dd45d4047f0daf4aef2bd04e6efa0abbd4214d
[INFO] testing kuy/opendatastructures-study against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fopendatastructures-study" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kuy/opendatastructures-study
[INFO] finished tweaking git repo https://github.com/kuy/opendatastructures-study
[INFO] tweaked toml for git repo https://github.com/kuy/opendatastructures-study written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kuy/opendatastructures-study on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kuy/opendatastructures-study 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c98c9c686862e27efbc8fea757e6b72d1759aa9116f793a6406a502a70fb374
[INFO] running `Command { std: "docker" "start" "-a" "2c98c9c686862e27efbc8fea757e6b72d1759aa9116f793a6406a502a70fb374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c98c9c686862e27efbc8fea757e6b72d1759aa9116f793a6406a502a70fb374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c98c9c686862e27efbc8fea757e6b72d1759aa9116f793a6406a502a70fb374", kill_on_drop: false }`
[INFO] [stdout] 2c98c9c686862e27efbc8fea757e6b72d1759aa9116f793a6406a502a70fb374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85b2fbdda73536407cf1e6c719588b27a5f9c6f6d5f6b4b95a66d3b3814d8c7b
[INFO] running `Command { std: "docker" "start" "-a" "85b2fbdda73536407cf1e6c719588b27a5f9c6f6d5f6b4b95a66d3b3814d8c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling opendatastructures-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Queue` is never used
[INFO] [stdout]  --> src/ch02/array_queue.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Queue<T> {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrayQueue` is never constructed
[INFO] [stdout]  --> src/ch02/array_queue.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ArrayQueue<T> where T: Default + Copy {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_capacity`, `capacity`, `resize`, and `debug` are never used
[INFO] [stdout]   --> src/ch02/array_queue.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> ArrayQueue<T> where T: Default + Copy + std::fmt::Debug {
[INFO] [stdout]    | --------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn with_capacity(n: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn resize(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn debug(&self, tag: &str) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `List` is never used
[INFO] [stdout]  --> src/ch02/array_stack.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait List<T> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArrayStack` is never constructed
[INFO] [stdout]  --> src/ch02/array_stack.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ArrayStack<T> where T: Default + Copy {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `resize`, and `capacity` are never used
[INFO] [stdout]   --> src/ch02/array_stack.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> ArrayStack<T> where T: Default + Copy {
[INFO] [stdout]    | --------------------------------------------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn resize(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "85b2fbdda73536407cf1e6c719588b27a5f9c6f6d5f6b4b95a66d3b3814d8c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b2fbdda73536407cf1e6c719588b27a5f9c6f6d5f6b4b95a66d3b3814d8c7b", kill_on_drop: false }`
[INFO] [stdout] 85b2fbdda73536407cf1e6c719588b27a5f9c6f6d5f6b4b95a66d3b3814d8c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22e3788e1678b241d4f7e06f22d6c801cab6dbcf18435769e7075b594caa29b2
[INFO] running `Command { std: "docker" "start" "-a" "22e3788e1678b241d4f7e06f22d6c801cab6dbcf18435769e7075b594caa29b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling opendatastructures-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `debug` is never used
[INFO] [stdout]   --> src/ch02/array_queue.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> ArrayQueue<T> where T: Default + Copy + std::fmt::Debug {
[INFO] [stdout]    | --------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn debug(&self, tag: &str) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "22e3788e1678b241d4f7e06f22d6c801cab6dbcf18435769e7075b594caa29b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e3788e1678b241d4f7e06f22d6c801cab6dbcf18435769e7075b594caa29b2", kill_on_drop: false }`
[INFO] [stdout] 22e3788e1678b241d4f7e06f22d6c801cab6dbcf18435769e7075b594caa29b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12c8870c0baae67b9d1c409b58a4b3d9b12f63b0f679481227833eeabd9c8841
[INFO] running `Command { std: "docker" "start" "-a" "12c8870c0baae67b9d1c409b58a4b3d9b12f63b0f679481227833eeabd9c8841", kill_on_drop: false }`
[INFO] [stderr] warning: method `debug` is never used
[INFO] [stderr]   --> src/ch02/array_queue.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> ArrayQueue<T> where T: Default + Copy + std::fmt::Debug {
[INFO] [stderr]    | --------------------------------------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 44 |     fn debug(&self, tag: &str) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `opendatastructures-study` (bin "opendatastructures-study" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/opendatastructures_study-13a8c62998ca1efc)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ch02::array_queue::tests::test_capacity ... ok
[INFO] [stdout] test ch02::array_queue::tests::test_add_remove ... ok
[INFO] [stdout] test ch02::array_queue::tests::test_resize ... ok
[INFO] [stdout] test ch02::array_stack::tests::test_remove ... ok
[INFO] [stdout] test ch02::array_stack::tests::test_get ... ok
[INFO] [stdout] test ch02::array_stack::tests::test_resize ... ok
[INFO] [stdout] test ch02::array_stack::tests::test_set ... ok
[INFO] [stdout] test ch02::array_stack::tests::test_add ... ok
[INFO] [stdout] test ch02::array_stack::tests::test_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12c8870c0baae67b9d1c409b58a4b3d9b12f63b0f679481227833eeabd9c8841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c8870c0baae67b9d1c409b58a4b3d9b12f63b0f679481227833eeabd9c8841", kill_on_drop: false }`
[INFO] [stdout] 12c8870c0baae67b9d1c409b58a4b3d9b12f63b0f679481227833eeabd9c8841
