[INFO] fetching crate better-config-core 0.2.4...
[INFO] testing better-config-core-0.2.4 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate better-config-core 0.2.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate better-config-core 0.2.4
[INFO] finished tweaking crates.io crate better-config-core 0.2.4
[INFO] tweaked toml for crates.io crate better-config-core 0.2.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate better-config-core 0.2.4 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate better-config-core 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdd v3.0.10
[INFO] [stderr]   Downloaded scc v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89773f4f22bae3f92eed17aa91f554d766a0927e9b6b97629fa5fdfe6f9391f6
[INFO] running `Command { std: "docker" "start" "-a" "89773f4f22bae3f92eed17aa91f554d766a0927e9b6b97629fa5fdfe6f9391f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89773f4f22bae3f92eed17aa91f554d766a0927e9b6b97629fa5fdfe6f9391f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89773f4f22bae3f92eed17aa91f554d766a0927e9b6b97629fa5fdfe6f9391f6", kill_on_drop: false }`
[INFO] [stdout] 89773f4f22bae3f92eed17aa91f554d766a0927e9b6b97629fa5fdfe6f9391f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc3b3e2a337dc60fe358d1226e5d9aade734c52668f7f6bec955e16e4d4520b5
[INFO] running `Command { std: "docker" "start" "-a" "bc3b3e2a337dc60fe358d1226e5d9aade734c52668f7f6bec955e16e4d4520b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-config-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "bc3b3e2a337dc60fe358d1226e5d9aade734c52668f7f6bec955e16e4d4520b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3b3e2a337dc60fe358d1226e5d9aade734c52668f7f6bec955e16e4d4520b5", kill_on_drop: false }`
[INFO] [stdout] bc3b3e2a337dc60fe358d1226e5d9aade734c52668f7f6bec955e16e4d4520b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9b84b93b5f70356c15b8881108130bf4202ee26e88fba3aa4484134858669f
[INFO] running `Command { std: "docker" "start" "-a" "8f9b84b93b5f70356c15b8881108130bf4202ee26e88fba3aa4484134858669f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling sdd v3.0.10
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling scc v2.4.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling serial_test v3.2.0
[INFO] [stderr]    Compiling better-config-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "8f9b84b93b5f70356c15b8881108130bf4202ee26e88fba3aa4484134858669f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9b84b93b5f70356c15b8881108130bf4202ee26e88fba3aa4484134858669f", kill_on_drop: false }`
[INFO] [stdout] 8f9b84b93b5f70356c15b8881108130bf4202ee26e88fba3aa4484134858669f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 703cdf752a4f91901ebcdfa1041af7d6d9a011ab7ff9e96e711fe9163b629179
[INFO] running `Command { std: "docker" "start" "-a" "703cdf752a4f91901ebcdfa1041af7d6d9a011ab7ff9e96e711fe9163b629179", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/better_config_core-869e4a084402bb84)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test utils::env::tests::test_get_existing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_optional_invalid_format ... ok
[INFO] [stdout] test utils::env::tests::test_get_optional_missing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_optional_or_else_missing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_else_existing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_optional_or_missing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_else_missing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_else_with_hashmap_existing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_else_with_hashmap_none ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_missing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_with_hashmap_existing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_with_hashmap_missing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_with_hashmap_none ... ok
[INFO] [stdout] test utils::misc::tests::test_validate_and_split_paths_empty ... ok
[INFO] [stdout] test utils::misc::tests::test_validate_and_split_paths_invalid_chars ... ok
[INFO] [stdout] test utils::misc::tests::test_validate_and_split_paths_path_traversal ... ok
[INFO] [stdout] test utils::misc::tests::test_validate_and_split_paths_valid ... ok
[INFO] [stdout] test utils::misc::tests::test_validate_and_split_paths_windows_drive_letter ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_all_excluded ... ok
[INFO] [stdout] test utils::env::tests::test_get_optional_or_existing_var ... ok
[INFO] [stdout] test utils::env::tests::test_get_with_different_types ... ok
[INFO] [stdout] test utils::misc::tests::test_check_file_accessibility_nonexistent ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_no_override ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_else_with_hashmap_missing_var ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_empty_config ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_existing_var ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_override ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_prefix ... ok
[INFO] [stdout] test utils::env::tests::test_get_with_hashmap_with_different_types ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_excluded_keys ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_prefix_and_excluded ... ok
[INFO] [stdout] test utils::env::tests::test_get_invalid_format - should panic ... ok
[INFO] [stdout] test utils::env::tests::test_get_missing_var - should panic ... ok
[INFO] [stdout] test utils::env::tests::test_get_optional_or_else_existing_var ... FAILED
[INFO] [stdout] test utils::env::tests::test_get_optional_or_else_panic - should panic ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_else_panic - should panic ... ok
[INFO] [stdout] test utils::env::tests::test_get_or_else_with_hashmap_panic - should panic ... ok
[INFO] [stdout] test utils::env::tests::test_get_optional_existing_var ... ok
[INFO] [stdout] test utils::override_env::tests::test_merge_with_env_uppercase_dotted_keys ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- utils::env::tests::test_get_optional_or_else_existing_var stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'utils::env::tests::test_get_optional_or_else_existing_var' (31) panicked at src/utils/env.rs:295:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some(0)
[INFO] [stdout]  right: Some(42)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56a9a5482a32 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56a9a5482a32 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56a9a5482a32 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56a9a5482a32 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56a9a549870a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56a9a549870a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x56a9a54878c6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56a9a54878c6 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56a9a546090f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56a9a546090f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56a9a547a9e9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56a9a53e065e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56a9a53e065e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56a9a547aba2 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56a9a547aba2 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56a9a54609c8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56a9a54581b9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56a9a54619dd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56a9a5498e4c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56a9a5498cd3 - core[c5ed12ab89cc536a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x56a9a53c0e6d - core[c5ed12ab89cc536a]::panicking::assert_failed::<core[c5ed12ab89cc536a]::option::Option<u32>, core[c5ed12ab89cc536a]::option::Option<u32>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x56a9a53c3528 - better_config_core[1c562ff5fe527d99]::utils::env::tests::test_get_optional_or_else_existing_var
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils/env.rs:295:9
[INFO] [stdout]   22:     0x56a9a53c1747 - better_config_core[1c562ff5fe527d99]::utils::env::tests::test_get_optional_or_else_existing_var::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/utils/env.rs:292:48
[INFO] [stdout]   23:     0x56a9a53cab16 - <better_config_core[1c562ff5fe527d99]::utils::env::tests::test_get_optional_or_else_existing_var::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56a9a53d4a0b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56a9a53d4a0b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56a9a53e126a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56a9a53e126a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56a9a53e126a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56a9a53e126a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56a9a53e126a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56a9a53e126a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56a9a53e126a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56a9a53db734 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56a9a53db734 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56a9a53e3d62 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56a9a53e3d62 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56a9a53e3d62 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56a9a53e3d62 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56a9a53e3d62 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56a9a53e3d62 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56a9a53e3d62 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56a9a54822af - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56a9a54822af - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x740eae5caaa4 - <unknown>
[INFO] [stdout]   45:     0x740eae657a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     utils::env::tests::test_get_optional_or_else_existing_var
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 38 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "703cdf752a4f91901ebcdfa1041af7d6d9a011ab7ff9e96e711fe9163b629179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703cdf752a4f91901ebcdfa1041af7d6d9a011ab7ff9e96e711fe9163b629179", kill_on_drop: false }`
[INFO] [stdout] 703cdf752a4f91901ebcdfa1041af7d6d9a011ab7ff9e96e711fe9163b629179