[INFO] fetching crate test-fuzz-internal 0.1.0-alpha.23...
[INFO] testing test-fuzz-internal-0.1.0-alpha.23 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate test-fuzz-internal 0.1.0-alpha.23 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate test-fuzz-internal 0.1.0-alpha.23 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-fuzz-internal 0.1.0-alpha.23
[INFO] finished tweaking crates.io crate test-fuzz-internal 0.1.0-alpha.23
[INFO] tweaked toml for crates.io crate test-fuzz-internal 0.1.0-alpha.23 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a31f4927731f0c90e5758460897980d7e459b8cf3d75265c5dd53669696a505b
[INFO] running `Command { std: "docker" "start" "-a" "a31f4927731f0c90e5758460897980d7e459b8cf3d75265c5dd53669696a505b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a31f4927731f0c90e5758460897980d7e459b8cf3d75265c5dd53669696a505b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31f4927731f0c90e5758460897980d7e459b8cf3d75265c5dd53669696a505b", kill_on_drop: false }`
[INFO] [stdout] a31f4927731f0c90e5758460897980d7e459b8cf3d75265c5dd53669696a505b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8cc2de14f2c0262a6fe85ecac4f0a25caf1d84246034878c74b21b022b61d44
[INFO] running `Command { std: "docker" "start" "-a" "b8cc2de14f2c0262a6fe85ecac4f0a25caf1d84246034878c74b21b022b61d44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling subprocess v0.2.7
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling predicates v2.0.1
[INFO] [stderr]    Compiling assert_cmd v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling cargo_metadata v0.14.0
[INFO] [stderr]    Compiling test-fuzz-internal v0.1.0-alpha.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/examples.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let metadata = MetadataCommand::new().exec()?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/examples.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let args = [
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `krate`
[INFO] [stdout]   --> src/examples.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_krate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/examples.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/examples.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn test_fuzz(target: &str) -> Result<Command> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.86s
[INFO] running `Command { std: "docker" "inspect" "b8cc2de14f2c0262a6fe85ecac4f0a25caf1d84246034878c74b21b022b61d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cc2de14f2c0262a6fe85ecac4f0a25caf1d84246034878c74b21b022b61d44", kill_on_drop: false }`
[INFO] [stdout] b8cc2de14f2c0262a6fe85ecac4f0a25caf1d84246034878c74b21b022b61d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ee3e991d5a30710d71147e849fda868cdc9ce256a577b0acaca534b541db33
[INFO] running `Command { std: "docker" "start" "-a" "53ee3e991d5a30710d71147e849fda868cdc9ce256a577b0acaca534b541db33", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/examples.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let metadata = MetadataCommand::new().exec()?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/examples.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let args = [
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `krate`
[INFO] [stdout]   --> src/examples.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_krate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/examples.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-fuzz-internal v0.1.0-alpha.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/examples.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn test_fuzz(target: &str) -> Result<Command> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/examples.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let metadata = MetadataCommand::new().exec()?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/examples.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let args = [
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `krate`
[INFO] [stdout]   --> src/examples.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_krate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/examples.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/examples.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn test_fuzz(target: &str) -> Result<Command> {
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "53ee3e991d5a30710d71147e849fda868cdc9ce256a577b0acaca534b541db33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ee3e991d5a30710d71147e849fda868cdc9ce256a577b0acaca534b541db33", kill_on_drop: false }`
[INFO] [stdout] 53ee3e991d5a30710d71147e849fda868cdc9ce256a577b0acaca534b541db33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a59d04dcceb10f540adb5039d66797c70c7c19a1c9033de40c7bbfa1259268f
[INFO] running `Command { std: "docker" "start" "-a" "0a59d04dcceb10f540adb5039d66797c70c7c19a1c9033de40c7bbfa1259268f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `metadata`
[INFO] [stderr]   --> src/examples.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let metadata = MetadataCommand::new().exec()?;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/examples.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let args = [
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `krate`
[INFO] [stderr]   --> src/examples.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_krate`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/examples.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn test(krate: &str, test: &str) -> Result<Command> {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/examples.rs:84:18
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub fn test_fuzz(target: &str) -> Result<Command> {
[INFO] [stderr]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: `test-fuzz-internal` (lib) generated 5 warnings
[INFO] [stderr] warning: `test-fuzz-internal` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_fuzz_internal-3ba3d7d7be4fdc2b)
[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] [stderr]    Doc-tests test-fuzz-internal
[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" "0a59d04dcceb10f540adb5039d66797c70c7c19a1c9033de40c7bbfa1259268f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a59d04dcceb10f540adb5039d66797c70c7c19a1c9033de40c7bbfa1259268f", kill_on_drop: false }`
[INFO] [stdout] 0a59d04dcceb10f540adb5039d66797c70c7c19a1c9033de40c7bbfa1259268f