[INFO] fetching crate egconf 0.1.0...
[INFO] testing egconf-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate egconf 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate egconf 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fa8d2f5f74cef9540e8cfa214b395b4b7a4f6124e9c88481ef62da87a5e414b
[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" "7fa8d2f5f74cef9540e8cfa214b395b4b7a4f6124e9c88481ef62da87a5e414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fa8d2f5f74cef9540e8cfa214b395b4b7a4f6124e9c88481ef62da87a5e414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa8d2f5f74cef9540e8cfa214b395b4b7a4f6124e9c88481ef62da87a5e414b", kill_on_drop: false }`
[INFO] [stdout] 7fa8d2f5f74cef9540e8cfa214b395b4b7a4f6124e9c88481ef62da87a5e414b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e21050dc9947f8d0cb95e38cc65c8b930a8a0820d69120af664fa45cbeff97
[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" "09e21050dc9947f8d0cb95e38cc65c8b930a8a0820d69120af664fa45cbeff97", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "09e21050dc9947f8d0cb95e38cc65c8b930a8a0820d69120af664fa45cbeff97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e21050dc9947f8d0cb95e38cc65c8b930a8a0820d69120af664fa45cbeff97", kill_on_drop: false }`
[INFO] [stdout] 09e21050dc9947f8d0cb95e38cc65c8b930a8a0820d69120af664fa45cbeff97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--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] 3853b462f09dbbb19916b6549669e270949002d5c1d553fe5254465eb903bab8
[INFO] running `Command { std: "docker" "start" "-a" "3853b462f09dbbb19916b6549669e270949002d5c1d553fe5254465eb903bab8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "3853b462f09dbbb19916b6549669e270949002d5c1d553fe5254465eb903bab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3853b462f09dbbb19916b6549669e270949002d5c1d553fe5254465eb903bab8", kill_on_drop: false }`
[INFO] [stdout] 3853b462f09dbbb19916b6549669e270949002d5c1d553fe5254465eb903bab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] 4f5b13bec4dd3f0d2a1213c8ac8b24f6a55030a7ae32e9a1631e4c4ec4ad00a4
[INFO] running `Command { std: "docker" "start" "-a" "4f5b13bec4dd3f0d2a1213c8ac8b24f6a55030a7ae32e9a1631e4c4ec4ad00a4", kill_on_drop: false }`
[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: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:208:8
[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: `egconf` (lib) generated 7 warnings
[INFO] [stderr] warning: `egconf` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/egconf-190c3acee0f97be8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_insert_conflict ... ok
[INFO] [stdout] test tests::test_parse_line ... ok
[INFO] [stderr]    Doc-tests egconf
[INFO] [stdout] test tests::test_insert_and_find ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f5b13bec4dd3f0d2a1213c8ac8b24f6a55030a7ae32e9a1631e4c4ec4ad00a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5b13bec4dd3f0d2a1213c8ac8b24f6a55030a7ae32e9a1631e4c4ec4ad00a4", kill_on_drop: false }`
[INFO] [stdout] 4f5b13bec4dd3f0d2a1213c8ac8b24f6a55030a7ae32e9a1631e4c4ec4ad00a4