[INFO] fetching crate bagofholding 0.1.0...
[INFO] checking bagofholding-0.1.0 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate bagofholding 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bagofholding 0.1.0 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bagofholding 0.1.0
[INFO] finished tweaking crates.io crate bagofholding 0.1.0
[INFO] tweaked toml for crates.io crate bagofholding 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24e57f5373f9f16540a6c9e2b0088d9bbcb070846b8b65837610ec7e44c87120
[INFO] running `Command { std: "docker" "start" "-a" "24e57f5373f9f16540a6c9e2b0088d9bbcb070846b8b65837610ec7e44c87120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24e57f5373f9f16540a6c9e2b0088d9bbcb070846b8b65837610ec7e44c87120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e57f5373f9f16540a6c9e2b0088d9bbcb070846b8b65837610ec7e44c87120", kill_on_drop: false }`
[INFO] [stdout] 24e57f5373f9f16540a6c9e2b0088d9bbcb070846b8b65837610ec7e44c87120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faaceb0297e0f9d961a05393abefdbb989291029cf4d3d2cec34318f17bff239
[INFO] running `Command { std: "docker" "start" "-a" "faaceb0297e0f9d961a05393abefdbb989291029cf4d3d2cec34318f17bff239", kill_on_drop: false }`
[INFO] [stderr]     Checking bagofholding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `increment_use` is never used
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<T> NodeData<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `increment_use` is never used
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<T> NodeData<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "faaceb0297e0f9d961a05393abefdbb989291029cf4d3d2cec34318f17bff239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faaceb0297e0f9d961a05393abefdbb989291029cf4d3d2cec34318f17bff239", kill_on_drop: false }`
[INFO] [stdout] faaceb0297e0f9d961a05393abefdbb989291029cf4d3d2cec34318f17bff239
