[INFO] cloning repository https://github.com/denglitong/data_structure_with_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denglitong/data_structure_with_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenglitong%2Fdata_structure_with_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenglitong%2Fdata_structure_with_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 833e484d6eac5fdfe5b6605bd931593806eb8843
[INFO] testing denglitong/data_structure_with_rust against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenglitong%2Fdata_structure_with_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denglitong/data_structure_with_rust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/denglitong/data_structure_with_rust
[INFO] finished tweaking git repo https://github.com/denglitong/data_structure_with_rust
[INFO] tweaked toml for git repo https://github.com/denglitong/data_structure_with_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/denglitong/data_structure_with_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dee77dc7db3ca112de43a657da7e9300ceaceb14f1a101dcd104099b26661afa
[INFO] running `Command { std: "docker" "start" "-a" "dee77dc7db3ca112de43a657da7e9300ceaceb14f1a101dcd104099b26661afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee77dc7db3ca112de43a657da7e9300ceaceb14f1a101dcd104099b26661afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee77dc7db3ca112de43a657da7e9300ceaceb14f1a101dcd104099b26661afa", kill_on_drop: false }`
[INFO] [stdout] dee77dc7db3ca112de43a657da7e9300ceaceb14f1a101dcd104099b26661afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2dd986280cb2c059c179c75c9a49390f41f6a715e177693894e8dbe1d9c972
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e2dd986280cb2c059c179c75c9a49390f41f6a715e177693894e8dbe1d9c972", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_structure_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/queue.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Index, IndexMut};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]    --> src/queue.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     use std::collections::VecDeque;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "9e2dd986280cb2c059c179c75c9a49390f41f6a715e177693894e8dbe1d9c972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2dd986280cb2c059c179c75c9a49390f41f6a715e177693894e8dbe1d9c972", kill_on_drop: false }`
[INFO] [stdout] 9e2dd986280cb2c059c179c75c9a49390f41f6a715e177693894e8dbe1d9c972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e3cf8ceae59784d5711b1b7187f8b45e4ef23a12ff61742ec39a079cf4ff96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d6e3cf8ceae59784d5711b1b7187f8b45e4ef23a12ff61742ec39a079cf4ff96", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_structure_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/queue.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Index, IndexMut};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]    --> src/queue.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |     use std::collections::VecDeque;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/queue.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Index, IndexMut};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "d6e3cf8ceae59784d5711b1b7187f8b45e4ef23a12ff61742ec39a079cf4ff96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e3cf8ceae59784d5711b1b7187f8b45e4ef23a12ff61742ec39a079cf4ff96", kill_on_drop: false }`
[INFO] [stdout] d6e3cf8ceae59784d5711b1b7187f8b45e4ef23a12ff61742ec39a079cf4ff96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d34010322c2369d6ca8dccef3f82c2dbc080c5d44b7b9295de65f38a04e48ae
[INFO] running `Command { std: "docker" "start" "-a" "9d34010322c2369d6ca8dccef3f82c2dbc080c5d44b7b9295de65f38a04e48ae", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stdout] running 10 tests
[INFO] [stderr]  --> src/queue.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Index, IndexMut};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]    --> src/queue.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |     use std::collections::VecDeque;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]  --> src/queue.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Index, IndexMut};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/queue-f9d3e3d5d0eb8efe
[INFO] [stdout] test tests_fixed_capacity_ring_queue::test_enqueue ... ok
[INFO] [stdout] test tests_fixed_capacity_ring_queue::test_new ... ok
[INFO] [stdout] test tests_simple_fixed_capacity_queue::test_new ... ok
[INFO] [stdout] test tests_simple_queue::test_dequeue ... ok
[INFO] [stdout] test tests_simple_queue::test_enqueue ... ok
[INFO] [stdout] test tests_simple_queue::test_new ... ok
[INFO] [stdout] test tests_fixed_capacity_ring_queue::test_dequeue ... ok
[INFO] [stdout] test tests_rust_vec_queue::test ... ok
[INFO] [stdout] test tests_simple_fixed_capacity_queue::test_dequeue ... ok
[INFO] [stdout] test tests_simple_fixed_capacity_queue::test_enqueue ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/data_structure_in_rust-ee6f89a25fd34b65
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests queue
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d34010322c2369d6ca8dccef3f82c2dbc080c5d44b7b9295de65f38a04e48ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d34010322c2369d6ca8dccef3f82c2dbc080c5d44b7b9295de65f38a04e48ae", kill_on_drop: false }`
[INFO] [stdout] 9d34010322c2369d6ca8dccef3f82c2dbc080c5d44b7b9295de65f38a04e48ae
