[INFO] fetching crate env-extract 0.1.22...
[INFO] testing env-extract-0.1.22 against beta-2023-10-04 for beta-1.74-1
[INFO] extracting crate env-extract 0.1.22 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate env-extract 0.1.22 on toolchain beta-2023-10-04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env-extract 0.1.22
[INFO] finished tweaking crates.io crate env-extract 0.1.22
[INFO] tweaked toml for crates.io crate env-extract 0.1.22 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b349789f8a5888866b21eeadbaf161c149dbe1c9979746db2e3b5eb893308a3
[INFO] running `Command { std: "docker" "start" "-a" "9b349789f8a5888866b21eeadbaf161c149dbe1c9979746db2e3b5eb893308a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b349789f8a5888866b21eeadbaf161c149dbe1c9979746db2e3b5eb893308a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b349789f8a5888866b21eeadbaf161c149dbe1c9979746db2e3b5eb893308a3", kill_on_drop: false }`
[INFO] [stdout] 9b349789f8a5888866b21eeadbaf161c149dbe1c9979746db2e3b5eb893308a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e298423504510876fe999e67a4c41050988302ba9fa0a26d3dc822bc318047be
[INFO] running `Command { std: "docker" "start" "-a" "e298423504510876fe999e67a4c41050988302ba9fa0a26d3dc822bc318047be", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-extract v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:453:56
[INFO] [stdout]     |
[INFO] [stdout] 453 |                         if let Some(_attr) = attributes.clone().iter().find(|attr| {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[Attribute]` does not implement `Clone`, so calling `clone` on `&[Attribute]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "e298423504510876fe999e67a4c41050988302ba9fa0a26d3dc822bc318047be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e298423504510876fe999e67a4c41050988302ba9fa0a26d3dc822bc318047be", kill_on_drop: false }`
[INFO] [stdout] e298423504510876fe999e67a4c41050988302ba9fa0a26d3dc822bc318047be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c7b2a3cc9a411e9948a6324ea7dd28b0a559dda53eaebbd99c01f4c49611fa4
[INFO] running `Command { std: "docker" "start" "-a" "1c7b2a3cc9a411e9948a6324ea7dd28b0a559dda53eaebbd99c01f4c49611fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling env-extract v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:453:56
[INFO] [stdout]     |
[INFO] [stdout] 453 |                         if let Some(_attr) = attributes.clone().iter().find(|attr| {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[Attribute]` does not implement `Clone`, so calling `clone` on `&[Attribute]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:453:56
[INFO] [stdout]     |
[INFO] [stdout] 453 |                         if let Some(_attr) = attributes.clone().iter().find(|attr| {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[Attribute]` does not implement `Clone`, so calling `clone` on `&[Attribute]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "1c7b2a3cc9a411e9948a6324ea7dd28b0a559dda53eaebbd99c01f4c49611fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c7b2a3cc9a411e9948a6324ea7dd28b0a559dda53eaebbd99c01f4c49611fa4", kill_on_drop: false }`
[INFO] [stdout] 1c7b2a3cc9a411e9948a6324ea7dd28b0a559dda53eaebbd99c01f4c49611fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f6196e7ec15bb2d06bd9e561cc28f9e45e9b391291d479c4f1ff41cc19e77c6b
[INFO] running `Command { std: "docker" "start" "-a" "f6196e7ec15bb2d06bd9e561cc28f9e45e9b391291d479c4f1ff41cc19e77c6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/lib.rs:453:56
[INFO] [stderr]     |
[INFO] [stderr] 453 |                         if let Some(_attr) = attributes.clone().iter().find(|attr| {
[INFO] [stderr]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `[Attribute]` does not implement `Clone`, so calling `clone` on `&[Attribute]` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `env-extract` (lib) generated 1 warning (run `cargo fix --lib -p env-extract` to apply 1 suggestion)
[INFO] [stderr] warning: `env-extract` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_extract-abacea6f95e87c0f)
[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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-98d73fe5cceecd7d)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test_case_conversion_lowercase ... ok
[INFO] [stdout] test tests::test_case_conversion_uppercase ... ok
[INFO] [stdout] test tests::test_exact_match ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_failure ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_failure_with_case_uppercase ... ok
[INFO] [stdout] test tests::test_case_conversion_any ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_success_with_case_uppercase ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_failure_with_var_name ... ok
[INFO] [stdout] test tests::test_invalid_value ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_success_with_var_name ... ok
[INFO] [stdout] test tests::test_populate_struct_from_env_success ... ok
[INFO] [stdout] test tests::test_populate_struct_from_env_with_default_success ... ok
[INFO] [stdout] test tests::test_default_value_success ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_success_with_panic_on_invalid ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_failure_with_panic_on_invalid - should panic ... ok
[INFO] [stderr]    Doc-tests env-extract
[INFO] [stdout] test tests::test_populate_struct_from_env_failure - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - enum_from_env (line 165) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/lib.rs - env_for_struct (line 492) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6196e7ec15bb2d06bd9e561cc28f9e45e9b391291d479c4f1ff41cc19e77c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6196e7ec15bb2d06bd9e561cc28f9e45e9b391291d479c4f1ff41cc19e77c6b", kill_on_drop: false }`
[INFO] [stdout] f6196e7ec15bb2d06bd9e561cc28f9e45e9b391291d479c4f1ff41cc19e77c6b