[INFO] fetching crate egconf 0.1.0...
[INFO] checking egconf-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate egconf 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate egconf 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate egconf 0.1.0
[INFO] finished tweaking crates.io crate egconf 0.1.0
[INFO] tweaked toml for crates.io crate egconf 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51a40710be17973643c08e88151755d7d6dc1d7c68d55d3f0a5ca58cafcc6ea0
[INFO] running `"docker" "start" "-a" "51a40710be17973643c08e88151755d7d6dc1d7c68d55d3f0a5ca58cafcc6ea0"`
[INFO] [stderr]     Checking egconf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:127:29
[INFO] [stderr]     |
[INFO] [stderr] 127 |             TreeNode::Leaf{ key, value } => {
[INFO] [stderr]     |                             ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:135:31
[INFO] [stderr]     |
[INFO] [stderr] 135 |             TreeNode::Branch{ key, children} => {
[INFO] [stderr]     |                               ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:159:32
[INFO] [stderr]     |
[INFO] [stderr] 159 |             TreeNode::Branch { key, children } => {
[INFO] [stderr]     |                                ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/lib.rs:164:37
[INFO] [stderr]     |
[INFO] [stderr] 164 |                         if let Some(child) =
[INFO] [stderr]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/lib.rs:191:35
[INFO] [stderr]     |
[INFO] [stderr] 191 |             TreeNode::Leaf { key, value } => key,
[INFO] [stderr]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `children`
[INFO] [stderr]    --> src/lib.rs:192:37
[INFO] [stderr]     |
[INFO] [stderr] 192 |             TreeNode::Branch { key, children } =>
[INFO] [stderr]     |                                     ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn new(line: &'a [u8]) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:127:29
[INFO] [stderr]     |
[INFO] [stderr] 127 |             TreeNode::Leaf{ key, value } => {
[INFO] [stderr]     |                             ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:135:31
[INFO] [stderr]     |
[INFO] [stderr] 135 |             TreeNode::Branch{ key, children} => {
[INFO] [stderr]     |                               ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:159:32
[INFO] [stderr]     |
[INFO] [stderr] 159 |             TreeNode::Branch { key, children } => {
[INFO] [stderr]     |                                ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/lib.rs:164:37
[INFO] [stderr]     |
[INFO] [stderr] 164 |                         if let Some(child) =
[INFO] [stderr]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/lib.rs:191:35
[INFO] [stderr]     |
[INFO] [stderr] 191 |             TreeNode::Leaf { key, value } => key,
[INFO] [stderr]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `children`
[INFO] [stderr]    --> src/lib.rs:192:37
[INFO] [stderr]     |
[INFO] [stderr] 192 |             TreeNode::Branch { key, children } =>
[INFO] [stderr]     |                                     ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "51a40710be17973643c08e88151755d7d6dc1d7c68d55d3f0a5ca58cafcc6ea0"`
[INFO] running `"docker" "rm" "-f" "51a40710be17973643c08e88151755d7d6dc1d7c68d55d3f0a5ca58cafcc6ea0"`
[INFO] [stdout] 51a40710be17973643c08e88151755d7d6dc1d7c68d55d3f0a5ca58cafcc6ea0