[INFO] cloning repository https://github.com/brayckner/data_structures_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brayckner/data_structures_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayckner%2Fdata_structures_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayckner%2Fdata_structures_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fc201696e638b9fa69a706a98d2a5c29b8432fb
[INFO] testing brayckner/data_structures_in_rust against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrayckner%2Fdata_structures_in_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brayckner/data_structures_in_rust
[INFO] finished tweaking git repo https://github.com/brayckner/data_structures_in_rust
[INFO] tweaked toml for git repo https://github.com/brayckner/data_structures_in_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brayckner/data_structures_in_rust on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brayckner/data_structures_in_rust 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc5bf341633eea9c91a53c2bdc82725b1fdcef064c9a2ab25d14b20ce1704da5
[INFO] running `Command { std: "docker" "start" "-a" "fc5bf341633eea9c91a53c2bdc82725b1fdcef064c9a2ab25d14b20ce1704da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc5bf341633eea9c91a53c2bdc82725b1fdcef064c9a2ab25d14b20ce1704da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5bf341633eea9c91a53c2bdc82725b1fdcef064c9a2ab25d14b20ce1704da5", kill_on_drop: false }`
[INFO] [stdout] fc5bf341633eea9c91a53c2bdc82725b1fdcef064c9a2ab25d14b20ce1704da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f148d9a8fadcd3bb670819117dc655d15055fb6d93782b46175ab70598b6b2e
[INFO] running `Command { std: "docker" "start" "-a" "2f148d9a8fadcd3bb670819117dc655d15055fb6d93782b46175ab70598b6b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_structures_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `myArray` should have a snake case name
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut myArray = DynamicArray::new();
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `my_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `termToSearch` should have a snake case name
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let termToSearch = "Andrew";
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `term_to_search`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     myArray.insert_at("Ryan", 2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = myArray.insert_at("Ryan", 2);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     myArray.remove_at(1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let _ = myArray.remove_at(1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2f148d9a8fadcd3bb670819117dc655d15055fb6d93782b46175ab70598b6b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f148d9a8fadcd3bb670819117dc655d15055fb6d93782b46175ab70598b6b2e", kill_on_drop: false }`
[INFO] [stdout] 2f148d9a8fadcd3bb670819117dc655d15055fb6d93782b46175ab70598b6b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84380928a09d26350837ddec7f92fcd13737ab1a8e3fa6788530888d3fbc1bab
[INFO] running `Command { std: "docker" "start" "-a" "84380928a09d26350837ddec7f92fcd13737ab1a8e3fa6788530888d3fbc1bab", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/84380928a09d26350837ddec7f92fcd13737ab1a8e3fa6788530888d3fbc1bab/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "84380928a09d26350837ddec7f92fcd13737ab1a8e3fa6788530888d3fbc1bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84380928a09d26350837ddec7f92fcd13737ab1a8e3fa6788530888d3fbc1bab", kill_on_drop: false }`
[INFO] [stdout] 84380928a09d26350837ddec7f92fcd13737ab1a8e3fa6788530888d3fbc1bab