[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 833e484d6eac5fdfe5b6605bd931593806eb8843
[INFO] testing denglitong/data_structure_with_rust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenglitong%2Fdata_structure_with_rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denglitong/data_structure_with_rust on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-3/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d885e8447f708442a19b934670476bcd94d58b97412d9fd13d66ce5b8a07664
[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" "5d885e8447f708442a19b934670476bcd94d58b97412d9fd13d66ce5b8a07664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d885e8447f708442a19b934670476bcd94d58b97412d9fd13d66ce5b8a07664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d885e8447f708442a19b934670476bcd94d58b97412d9fd13d66ce5b8a07664", kill_on_drop: false }`
[INFO] [stdout] 5d885e8447f708442a19b934670476bcd94d58b97412d9fd13d66ce5b8a07664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e32c85c1e836a7e0adf71db40ed3c7c929606e5dbcd15a1d7637a8d2227ba02
[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" "3e32c85c1e836a7e0adf71db40ed3c7c929606e5dbcd15a1d7637a8d2227ba02", 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 0.97s
[INFO] running `Command { std: "docker" "inspect" "3e32c85c1e836a7e0adf71db40ed3c7c929606e5dbcd15a1d7637a8d2227ba02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e32c85c1e836a7e0adf71db40ed3c7c929606e5dbcd15a1d7637a8d2227ba02", kill_on_drop: false }`
[INFO] [stdout] 3e32c85c1e836a7e0adf71db40ed3c7c929606e5dbcd15a1d7637a8d2227ba02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b1546b2f0919d1459d4720e909908afb5651c1240e205751a551146ee3deb9
[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" "f8b1546b2f0919d1459d4720e909908afb5651c1240e205751a551146ee3deb9", 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 1.63s
[INFO] running `Command { std: "docker" "inspect" "f8b1546b2f0919d1459d4720e909908afb5651c1240e205751a551146ee3deb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b1546b2f0919d1459d4720e909908afb5651c1240e205751a551146ee3deb9", kill_on_drop: false }`
[INFO] [stdout] f8b1546b2f0919d1459d4720e909908afb5651c1240e205751a551146ee3deb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5658bb192afed97ef8d6a2f0cdadc8f94ccc4c37f22d77e49bfbb1bd356d190e
[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" "5658bb192afed97ef8d6a2f0cdadc8f94ccc4c37f22d77e49bfbb1bd356d190e", kill_on_drop: false }`
[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: 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-88dfba9c0ce5e84f
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests_fixed_capacity_ring_queue::test_dequeue ... ok
[INFO] [stdout] test tests_fixed_capacity_ring_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_simple_fixed_capacity_queue::test_dequeue ... ok
[INFO] [stdout] test tests_simple_fixed_capacity_queue::test_enqueue ... ok
[INFO] [stdout] test tests_simple_fixed_capacity_queue::test_new ... ok
[INFO] [stdout] test tests_fixed_capacity_ring_queue::test_enqueue ... ok
[INFO] [stdout] test tests_rust_vec_queue::test ... 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-d9f91eea07dccd9f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests queue
[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] [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" "5658bb192afed97ef8d6a2f0cdadc8f94ccc4c37f22d77e49bfbb1bd356d190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5658bb192afed97ef8d6a2f0cdadc8f94ccc4c37f22d77e49bfbb1bd356d190e", kill_on_drop: false }`
[INFO] [stdout] 5658bb192afed97ef8d6a2f0cdadc8f94ccc4c37f22d77e49bfbb1bd356d190e