[INFO] fetching crate env-extract 0.1.22...
[INFO] testing env-extract-0.1.22 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate env-extract 0.1.22 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate env-extract 0.1.22 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4ea03bf0471e24cca8607c30484816bfd1ad9ee413922f8c7c780b2b09d1966
[INFO] running `Command { std: "docker" "start" "-a" "f4ea03bf0471e24cca8607c30484816bfd1ad9ee413922f8c7c780b2b09d1966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ea03bf0471e24cca8607c30484816bfd1ad9ee413922f8c7c780b2b09d1966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ea03bf0471e24cca8607c30484816bfd1ad9ee413922f8c7c780b2b09d1966", kill_on_drop: false }`
[INFO] [stdout] f4ea03bf0471e24cca8607c30484816bfd1ad9ee413922f8c7c780b2b09d1966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47b35de5b95e3080f9f0be38198d902ba7565e97b2447a068b8be3355a87ac8d
[INFO] running `Command { std: "docker" "start" "-a" "47b35de5b95e3080f9f0be38198d902ba7565e97b2447a068b8be3355a87ac8d", 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "47b35de5b95e3080f9f0be38198d902ba7565e97b2447a068b8be3355a87ac8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b35de5b95e3080f9f0be38198d902ba7565e97b2447a068b8be3355a87ac8d", kill_on_drop: false }`
[INFO] [stdout] 47b35de5b95e3080f9f0be38198d902ba7565e97b2447a068b8be3355a87ac8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6064ca85c398c832437c2d24b28d483421712c7af4aee59d8a2819cd476308f
[INFO] running `Command { std: "docker" "start" "-a" "b6064ca85c398c832437c2d24b28d483421712c7af4aee59d8a2819cd476308f", 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "b6064ca85c398c832437c2d24b28d483421712c7af4aee59d8a2819cd476308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6064ca85c398c832437c2d24b28d483421712c7af4aee59d8a2819cd476308f", kill_on_drop: false }`
[INFO] [stdout] b6064ca85c398c832437c2d24b28d483421712c7af4aee59d8a2819cd476308f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f61b31a32dd66b9c8ae0eacacda34abb24855b92d130f2b81753bb0523356e5
[INFO] running `Command { std: "docker" "start" "-a" "0f61b31a32dd66b9c8ae0eacacda34abb24855b92d130f2b81753bb0523356e5", kill_on_drop: false }`
[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` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_extract-d880a6b5fed7f798)
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-d950bd25245a2614)
[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] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test_case_conversion_uppercase ... 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_case_conversion_lowercase ... 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_var_name ... ok
[INFO] [stdout] test tests::test_populate_struct_from_env_success ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_failure ... ok
[INFO] [stdout] test tests::test_invalid_value ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_success_with_case_uppercase ... ok
[INFO] [stdout] test tests::test_default_value_success ... ok
[INFO] [stdout] test tests::test_exact_match ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_success_with_var_name ... ok
[INFO] [stdout] test tests::test_extract_enum_from_env_failure_with_panic_on_invalid - should panic ... ok
[INFO] [stdout] test tests::test_populate_struct_from_env_failure - should panic ... ok
[INFO] [stdout] test tests::test_populate_struct_from_env_with_default_success ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_populate_struct_from_env_with_default_success stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_populate_struct_from_env_with_default_success' (32) panicked at tests/integration_test.rs:257:14:
[INFO] [stdout] No environment variable or default value found for 'int_field'
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a2b7b45094a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a2b7b45094a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a2b7b45094a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a2b7b45094a - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a2b7b465a5a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a2b7b465a5a - core[6771d259883166e6]::fmt::write
[INFO] [stdout]    6:     0x5a2b7b4551c2 - std[128c3efe2914e152]::io::default_write_fmt::<alloc[fef50e8eecedd288]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5a2b7b4551c2 - <alloc[fef50e8eecedd288]::vec::Vec<u8> as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5a2b7b42f76f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a2b7b42f76f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a2b7b448bf9 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a2b7b3e5aec - <alloc[fef50e8eecedd288]::boxed::Box<dyn for<'a, 'b> core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9
[INFO] [stdout]   12:     0x5a2b7b3e5aec - test[b137923399915ecf]::test_main_with_exit_callback::<test[b137923399915ecf]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a2b7b448db2 - <alloc[fef50e8eecedd288]::boxed::Box<dyn for<'a, 'b> core[6771d259883166e6]::ops::function::Fn<(&'a std[128c3efe2914e152]::panic::PanicHookInfo<'b>,), Output = ()> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::Fn<(&std[128c3efe2914e152]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2263:9
[INFO] [stdout]   14:     0x5a2b7b448db2 - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a2b7b42f85a - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5a2b7b424859 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a2b7b4306fd - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a2b7b46618c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a2b7b3d0de4 - integration_test::tests::DefaultStruct::get::hb51b72b175859809
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:257:14
[INFO] [stdout]   20:     0x5a2b7b3d3a7d - integration_test::tests::test_populate_struct_from_env_with_default_success::hea916bd24a8607cf
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:274:22
[INFO] [stdout]   21:     0x5a2b7b3d3c17 - integration_test::tests::test_populate_struct_from_env_with_default_success::{{closure}}::h760b9195dddd3edc
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_test.rs:269:60
[INFO] [stdout]   22:     0x5a2b7b3d7096 - core::ops::function::FnOnce::call_once::h7428db608db3223c
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5a2b7b3d9beb - <fn() -> core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a2b7b3d9beb - test[b137923399915ecf]::__rust_begin_short_backtrace::<core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>, fn() -> core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5a2b7b3e65bb - test[b137923399915ecf]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5a2b7b3e65bb - <core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5a2b7b3e65bb - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}>, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5a2b7b3e65bb - std[128c3efe2914e152]::panicking::catch_unwind::<core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>, core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5a2b7b3e65bb - std[128c3efe2914e152]::panic::catch_unwind::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<test[b137923399915ecf]::run_test_in_process::{closure#0}>, core[6771d259883166e6]::result::Result<(), alloc[fef50e8eecedd288]::string::String>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5a2b7b3e65bb - test[b137923399915ecf]::run_test_in_process
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5a2b7b3e65bb - test[b137923399915ecf]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5a2b7b3e0a14 - test[b137923399915ecf]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5a2b7b3e0a14 - std[128c3efe2914e152]::sys::backtrace::__rust_begin_short_backtrace::<test[b137923399915ecf]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5a2b7b3e91c2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x5a2b7b3e91c2 - <core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5a2b7b3e91c2 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5a2b7b3e91c2 - std[128c3efe2914e152]::panicking::catch_unwind::<(), core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5a2b7b3e91c2 - std[128c3efe2914e152]::panic::catch_unwind::<core[6771d259883166e6]::panic::unwind_safe::AssertUnwindSafe<std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5a2b7b3e91c2 - std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked::<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x5a2b7b3e91c2 - <std[128c3efe2914e152]::thread::lifecycle::spawn_unchecked<test[b137923399915ecf]::run_test::{closure#1}, ()>::{closure#1} as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5a2b7b45025f - <alloc[fef50e8eecedd288]::boxed::Box<dyn core[6771d259883166e6]::ops::function::FnOnce<(), Output = ()> + core[6771d259883166e6]::marker::Send> as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/alloc/src/boxed.rs:2249:9
[INFO] [stdout]   42:     0x5a2b7b45025f - <std[128c3efe2914e152]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x7c6dbefeeaa4 - <unknown>
[INFO] [stdout]   44:     0x7c6dbf07ba64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_populate_struct_from_env_with_default_success
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test integration_test`
[INFO] running `Command { std: "docker" "inspect" "0f61b31a32dd66b9c8ae0eacacda34abb24855b92d130f2b81753bb0523356e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f61b31a32dd66b9c8ae0eacacda34abb24855b92d130f2b81753bb0523356e5", kill_on_drop: false }`
[INFO] [stdout] 0f61b31a32dd66b9c8ae0eacacda34abb24855b92d130f2b81753bb0523356e5