[INFO] fetching crate egconf 0.1.0...
[INFO] checking egconf-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate egconf 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate egconf 0.1.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad553b16fb65ffd7ad7ddea684e84672b3a9bbc96198b38fadf28586dd86a358
[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" "ad553b16fb65ffd7ad7ddea684e84672b3a9bbc96198b38fadf28586dd86a358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad553b16fb65ffd7ad7ddea684e84672b3a9bbc96198b38fadf28586dd86a358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad553b16fb65ffd7ad7ddea684e84672b3a9bbc96198b38fadf28586dd86a358", kill_on_drop: false }`
[INFO] [stdout] ad553b16fb65ffd7ad7ddea684e84672b3a9bbc96198b38fadf28586dd86a358
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a02deadffb891257060756eb11f2a0b21b7a9cc17ee35079ceb041be908011e8
[INFO] running `Command { std: "docker" "start" "-a" "a02deadffb891257060756eb11f2a0b21b7a9cc17ee35079ceb041be908011e8", kill_on_drop: false }`
[INFO] [stderr]     Checking egconf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |             TreeNode::Leaf{ key, value } => {
[INFO] [stdout]     |                             ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:135:31
[INFO] [stdout]     |
[INFO] [stdout] 135 |             TreeNode::Branch{ key, children} => {
[INFO] [stdout]     |                               ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:159:32
[INFO] [stdout]     |
[INFO] [stdout] 159 |             TreeNode::Branch { key, children } => {
[INFO] [stdout]     |                                ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/lib.rs:164:37
[INFO] [stdout]     |
[INFO] [stdout] 164 |                         if let Some(child) =
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:191:35
[INFO] [stdout]     |
[INFO] [stdout] 191 |             TreeNode::Leaf { key, value } => key,
[INFO] [stdout]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/lib.rs:192:37
[INFO] [stdout]     |
[INFO] [stdout] 192 |             TreeNode::Branch { key, children } =>
[INFO] [stdout]     |                                     ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |             TreeNode::Leaf{ key, value } => {
[INFO] [stdout]     |                             ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:135:31
[INFO] [stdout]     |
[INFO] [stdout] 135 |             TreeNode::Branch{ key, children} => {
[INFO] [stdout]     |                               ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:159:32
[INFO] [stdout]     |
[INFO] [stdout] 159 |             TreeNode::Branch { key, children } => {
[INFO] [stdout]     |                                ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/lib.rs:164:37
[INFO] [stdout]     |
[INFO] [stdout] 164 |                         if let Some(child) =
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:191:35
[INFO] [stdout]     |
[INFO] [stdout] 191 |             TreeNode::Leaf { key, value } => key,
[INFO] [stdout]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/lib.rs:192:37
[INFO] [stdout]     |
[INFO] [stdout] 192 |             TreeNode::Branch { key, children } =>
[INFO] [stdout]     |                                     ^^^^^^^^ help: try ignoring the field: `children: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn new(line: &'a [u8]) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "a02deadffb891257060756eb11f2a0b21b7a9cc17ee35079ceb041be908011e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02deadffb891257060756eb11f2a0b21b7a9cc17ee35079ceb041be908011e8", kill_on_drop: false }`
[INFO] [stdout] a02deadffb891257060756eb11f2a0b21b7a9cc17ee35079ceb041be908011e8