[INFO] fetching crate env_rs 0.1.0...
[INFO] testing env_rs-0.1.0 against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] extracting crate env_rs 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate env_rs 0.1.0
[INFO] finished tweaking crates.io crate env_rs 0.1.0
[INFO] tweaked toml for crates.io crate env_rs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate env_rs 0.1.0 on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e123c9f25e817bfc332e133356d564b5a983cb373454ab9b31026d5a7ff74f0
[INFO] running `Command { std: "docker" "start" "-a" "4e123c9f25e817bfc332e133356d564b5a983cb373454ab9b31026d5a7ff74f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e123c9f25e817bfc332e133356d564b5a983cb373454ab9b31026d5a7ff74f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e123c9f25e817bfc332e133356d564b5a983cb373454ab9b31026d5a7ff74f0", kill_on_drop: false }`
[INFO] [stdout] 4e123c9f25e817bfc332e133356d564b5a983cb373454ab9b31026d5a7ff74f0
[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=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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ab6c7b5241ffe6a7a83aa10a7f61b7f02c1ba9b7ae0535e7ac4fb4b82ed1fcb
[INFO] running `Command { std: "docker" "start" "-a" "7ab6c7b5241ffe6a7a83aa10a7f61b7f02c1ba9b7ae0535e7ac4fb4b82ed1fcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling env_derive v0.1.0
[INFO] [stderr]    Compiling env_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "7ab6c7b5241ffe6a7a83aa10a7f61b7f02c1ba9b7ae0535e7ac4fb4b82ed1fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab6c7b5241ffe6a7a83aa10a7f61b7f02c1ba9b7ae0535e7ac4fb4b82ed1fcb", kill_on_drop: false }`
[INFO] [stdout] 7ab6c7b5241ffe6a7a83aa10a7f61b7f02c1ba9b7ae0535e7ac4fb4b82ed1fcb
[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=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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9fbd0911241dc945ceea0cfaf09d4dbd5c167d2258bf93847714025cbd2aacd
[INFO] running `Command { std: "docker" "start" "-a" "b9fbd0911241dc945ceea0cfaf09d4dbd5c167d2258bf93847714025cbd2aacd", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b9fbd0911241dc945ceea0cfaf09d4dbd5c167d2258bf93847714025cbd2aacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fbd0911241dc945ceea0cfaf09d4dbd5c167d2258bf93847714025cbd2aacd", kill_on_drop: false }`
[INFO] [stdout] b9fbd0911241dc945ceea0cfaf09d4dbd5c167d2258bf93847714025cbd2aacd
[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=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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e105d088f7d16782245cb63912aab76af543353caada1a5e3fbd5906cf7a4ccd
[INFO] running `Command { std: "docker" "start" "-a" "e105d088f7d16782245cb63912aab76af543353caada1a5e3fbd5906cf7a4ccd", kill_on_drop: false }`
[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_rs-4234916156b0549f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::env_rename_attr ... ok
[INFO] [stdout] test tests::env_un_attr ... ok
[INFO] [stdout] test tests::env_default_val ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::env_default_val stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::env_default_val' (24) panicked at src/lib.rs:98:31:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: "environment variable `t` parse failed!"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6015f9e998ba - std[da2fd379f16a7ff7]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6015f9e998ba - std[da2fd379f16a7ff7]::backtrace_rs::backtrace::trace_unsynchronized::<std[da2fd379f16a7ff7]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6015f9e998ba - std[da2fd379f16a7ff7]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6015f9e998ba - <<std[da2fd379f16a7ff7]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[97f61b5528a4c2b4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6015f9eae81a - <core[97f61b5528a4c2b4]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6015f9eae81a - core[97f61b5528a4c2b4]::fmt::write
[INFO] [stdout]    6:     0x6015f9e9e142 - std[da2fd379f16a7ff7]::io::default_write_fmt::<alloc[ec929a98520ab192]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6015f9e9e142 - <alloc[ec929a98520ab192]::vec::Vec<u8> as std[da2fd379f16a7ff7]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6015f9e7891f - <std[da2fd379f16a7ff7]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6015f9e7891f - std[da2fd379f16a7ff7]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6015f9e91d19 - std[da2fd379f16a7ff7]::panicking::default_hook
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6015f9e2eb7c - <alloc[ec929a98520ab192]::boxed::Box<dyn for<'a, 'b> core[97f61b5528a4c2b4]::ops::function::Fn<(&'a std[da2fd379f16a7ff7]::panic::PanicHookInfo<'b>,), Output = ()> + core[97f61b5528a4c2b4]::marker::Send + core[97f61b5528a4c2b4]::marker::Sync> as core[97f61b5528a4c2b4]::ops::function::Fn<(&std[da2fd379f16a7ff7]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x6015f9e2eb7c - test[d0b63a2f043bab5e]::test_main_with_exit_callback::<test[d0b63a2f043bab5e]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6015f9e91ed2 - <alloc[ec929a98520ab192]::boxed::Box<dyn for<'a, 'b> core[97f61b5528a4c2b4]::ops::function::Fn<(&'a std[da2fd379f16a7ff7]::panic::PanicHookInfo<'b>,), Output = ()> + core[97f61b5528a4c2b4]::marker::Send + core[97f61b5528a4c2b4]::marker::Sync> as core[97f61b5528a4c2b4]::ops::function::Fn<(&std[da2fd379f16a7ff7]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x6015f9e91ed2 - std[da2fd379f16a7ff7]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6015f9e789d8 - std[da2fd379f16a7ff7]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6015f9e70199 - std[da2fd379f16a7ff7]::sys::backtrace::__rust_end_short_backtrace::<std[da2fd379f16a7ff7]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6015f9e7978d - __rustc[9f3cd9eabd71303e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6015f9eaf06c - core[97f61b5528a4c2b4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6015f9eaee42 - core[97f61b5528a4c2b4]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x6015f9e1e86c - <core[97f61b5528a4c2b4]::result::Result<env_rs[1c30c21d639f2a34]::tests::env_default_val::A<core[97f61b5528a4c2b4]::net::ip_addr::IpAddr, f64>, alloc[ec929a98520ab192]::string::String>>::unwrap
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6015f9e1e86c - env_rs[1c30c21d639f2a34]::tests::env_default_val
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:98:31
[INFO] [stdout]   22:     0x6015f9e1cb67 - env_rs[1c30c21d639f2a34]::tests::env_default_val::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:81:25
[INFO] [stdout]   23:     0x6015f9e22b46 - <env_rs[1c30c21d639f2a34]::tests::env_default_val::{closure#0} as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6015f9e22c5b - <fn() -> core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6015f9e22c5b - test[d0b63a2f043bab5e]::__rust_begin_short_backtrace::<core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>, fn() -> core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x6015f9e2f64b - test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x6015f9e2f64b - <core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x6015f9e2f64b - std[da2fd379f16a7ff7]::panicking::catch_unwind::do_call::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}>, core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6015f9e2f64b - std[da2fd379f16a7ff7]::panicking::catch_unwind::<core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>, core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6015f9e2f64b - std[da2fd379f16a7ff7]::panic::catch_unwind::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<test[d0b63a2f043bab5e]::run_test_in_process::{closure#0}>, core[97f61b5528a4c2b4]::result::Result<(), alloc[ec929a98520ab192]::string::String>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6015f9e2f64b - test[d0b63a2f043bab5e]::run_test_in_process
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x6015f9e2f64b - test[d0b63a2f043bab5e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x6015f9e2ad64 - test[d0b63a2f043bab5e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x6015f9e2ad64 - std[da2fd379f16a7ff7]::sys::backtrace::__rust_begin_short_backtrace::<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6015f9e32252 - std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked::<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x6015f9e32252 - <core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x6015f9e32252 - std[da2fd379f16a7ff7]::panicking::catch_unwind::do_call::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6015f9e32252 - std[da2fd379f16a7ff7]::panicking::catch_unwind::<(), core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6015f9e32252 - std[da2fd379f16a7ff7]::panic::catch_unwind::<core[97f61b5528a4c2b4]::panic::unwind_safe::AssertUnwindSafe<std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6015f9e32252 - std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked::<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x6015f9e32252 - <std[da2fd379f16a7ff7]::thread::lifecycle::spawn_unchecked<test[d0b63a2f043bab5e]::run_test::{closure#1}, ()>::{closure#1} as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6015f9e991cf - <alloc[ec929a98520ab192]::boxed::Box<dyn core[97f61b5528a4c2b4]::ops::function::FnOnce<(), Output = ()> + core[97f61b5528a4c2b4]::marker::Send> as core[97f61b5528a4c2b4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x6015f9e991cf - <std[da2fd379f16a7ff7]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/8da20828b6ea601dfd8e2448cb50ace88876bd78/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x756fe256aaa4 - <unknown>
[INFO] [stdout]   45:     0x756fe25f7a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::env_default_val
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "e105d088f7d16782245cb63912aab76af543353caada1a5e3fbd5906cf7a4ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e105d088f7d16782245cb63912aab76af543353caada1a5e3fbd5906cf7a4ccd", kill_on_drop: false }`
[INFO] [stdout] e105d088f7d16782245cb63912aab76af543353caada1a5e3fbd5906cf7a4ccd