[INFO] fetching crate treadmill 0.0.1...
[INFO] testing treadmill-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate treadmill 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate treadmill 0.0.1
[INFO] finished tweaking crates.io crate treadmill 0.0.1
[INFO] tweaked toml for crates.io crate treadmill 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treadmill 0.0.1 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 17 packages to latest compatible versions
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (available: v0.23.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[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] 877bf8e20aff593eb93359feaadff8a10b624a4dfbf3dc4e3c9bc591dd99ae11
[INFO] running `Command { std: "docker" "start" "-a" "877bf8e20aff593eb93359feaadff8a10b624a4dfbf3dc4e3c9bc591dd99ae11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "877bf8e20aff593eb93359feaadff8a10b624a4dfbf3dc4e3c9bc591dd99ae11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877bf8e20aff593eb93359feaadff8a10b624a4dfbf3dc4e3c9bc591dd99ae11", kill_on_drop: false }`
[INFO] [stdout] 877bf8e20aff593eb93359feaadff8a10b624a4dfbf3dc4e3c9bc591dd99ae11
[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] 76e2c23f5525bcd65367ba4a4d116c79f53d26e5e0f512e73e7119e866b19f80
[INFO] running `Command { std: "docker" "start" "-a" "76e2c23f5525bcd65367ba4a4d116c79f53d26e5e0f512e73e7119e866b19f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling treadmill v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling cargo_metadata v0.15.4
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `package_name`, `package_manifest`, and `test_name` are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DetectedEnvironment {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 42 |     target: String,
[INFO] [stdout] 43 |     package_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 44 |     package_manifest: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     test_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetectedEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "76e2c23f5525bcd65367ba4a4d116c79f53d26e5e0f512e73e7119e866b19f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e2c23f5525bcd65367ba4a4d116c79f53d26e5e0f512e73e7119e866b19f80", kill_on_drop: false }`
[INFO] [stdout] 76e2c23f5525bcd65367ba4a4d116c79f53d26e5e0f512e73e7119e866b19f80
[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] a381fe28c400b90bc43a201f43404e9ca07319cfdf1b0bdb811657cc46a69695
[INFO] running `Command { std: "docker" "start" "-a" "a381fe28c400b90bc43a201f43404e9ca07319cfdf1b0bdb811657cc46a69695", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `package_name`, `package_manifest`, and `test_name` are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DetectedEnvironment {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 42 |     target: String,
[INFO] [stdout] 43 |     package_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 44 |     package_manifest: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     test_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetectedEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling treadmill v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/demo.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     dbg!(binary.command().output());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = dbg!(binary.command().output());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `package_name`, `package_manifest`, and `test_name` are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct DetectedEnvironment {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 42 |     target: String,
[INFO] [stdout] 43 |     package_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 44 |     package_manifest: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     test_name: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DetectedEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "a381fe28c400b90bc43a201f43404e9ca07319cfdf1b0bdb811657cc46a69695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a381fe28c400b90bc43a201f43404e9ca07319cfdf1b0bdb811657cc46a69695", kill_on_drop: false }`
[INFO] [stdout] a381fe28c400b90bc43a201f43404e9ca07319cfdf1b0bdb811657cc46a69695
[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] 68b6561230a50535be984189a0ee5da1370c1d7fa55ae86dba2a0b832b24c512
[INFO] running `Command { std: "docker" "start" "-a" "68b6561230a50535be984189a0ee5da1370c1d7fa55ae86dba2a0b832b24c512", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 |     path::{Path, PathBuf},
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |            ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[INFO] [stderr] warning: fields `package_name`, `package_manifest`, and `test_name` are never read
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct DetectedEnvironment {
[INFO] [stderr]    |            ------------------- fields in this struct
[INFO] [stderr] 42 |     target: String,
[INFO] [stderr] 43 |     package_name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 44 |     package_manifest: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 45 |     test_name: String,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DetectedEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `treadmill` (lib) generated 2 warnings (run `cargo fix --lib -p treadmill` to apply 1 suggestion)
[INFO] [stderr] warning: `treadmill` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/demo.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     dbg!(binary.command().output());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let _ = dbg!(binary.command().output());
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `treadmill` (test "demo") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/treadmill-d34b17b7036132aa)
[INFO] [stderr]      Running tests/demo.rs (/opt/rustwide/target/debug/deps/demo-9d08ddbde038ee68)
[INFO] [stderr] error: failed to get `cargo_metadata` as a dependency of package `treadmill v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr]     ... which satisfies path dependency `treadmill` of package `some_program v0.1.0 (/opt/rustwide/target/ttp/treadmill/demo/some_program)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for dependency `cargo_metadata`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to update registry `crates-io`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   download of config.json failed
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   curl failed
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   [6] Could not resolve hostname (Could not resolve host: index.crates.io)
[INFO] [stdout] test test1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test1 stdout ----
[INFO] [stdout] [tests/demo.rs:10:5] &program = Program {
[INFO] [stdout]     path: "/opt/rustwide/target/ttp/treadmill/demo/some_program",
[INFO] [stdout]     name: "some_program",
[INFO] [stdout]     source: "\npub fn main() {\n    println!(\"some program\");\n}\n    ",
[INFO] [stdout]     dependencies: [
[INFO] [stdout]         "treadmill = { path = \"/opt/rustwide/workdir\"}",
[INFO] [stdout]     ],
[INFO] [stdout]     detected: DetectedEnvironment {
[INFO] [stdout]         target: "x86_64-unknown-linux-gnu",
[INFO] [stdout]         package_name: "treadmill",
[INFO] [stdout]         package_manifest: "/opt/rustwide/workdir",
[INFO] [stdout]         test_name: "demo",
[INFO] [stdout]         edition: E2021,
[INFO] [stdout]         target_directory: "/opt/rustwide/target",
[INFO] [stdout]     },
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] thread 'test1' (17) panicked at tests/demo.rs:11:36:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: BuildError({})
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56ead0e57a0a - 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:     0x56ead0e57a0a - 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:     0x56ead0e57a0a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56ead0e57a0a - <<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:     0x56ead0e6c5da - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56ead0e6c5da - core[6771d259883166e6]::fmt::write
[INFO] [stdout]    6:     0x56ead0e5c4a2 - 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:     0x56ead0e5c4a2 - <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:     0x56ead0e3599f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56ead0e3599f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56ead0e4fc99 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56ead0d0a12c - <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:     0x56ead0d0a12c - 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:     0x56ead0e4fe52 - <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:     0x56ead0e4fe52 - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56ead0e35a58 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56ead0e2ab89 - 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:     0x56ead0e3676d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56ead0e6cd6c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56ead0e6cae2 - core[6771d259883166e6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56ead0cfc6ab - core::result::Result<T,E>::unwrap::h1e0179df2d337648
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56ead0cfc6ab - demo::test1::h597011cc9ba13486
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/demo.rs:11:36
[INFO] [stdout]   22:     0x56ead0cfc9c7 - demo::test1::{{closure}}::h897cd6e482258e06
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/demo.rs:4:11
[INFO] [stdout]   23:     0x56ead0cfc046 - core::ops::function::FnOnce::call_once::h7c9c815335f2a241
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56ead0cfe22b - <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]   25:     0x56ead0cfe22b - 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]   26:     0x56ead0d0abfb - test[b137923399915ecf]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56ead0d0abfb - <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]   28:     0x56ead0d0abfb - 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]   29:     0x56ead0d0abfb - 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]   30:     0x56ead0d0abfb - 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]   31:     0x56ead0d0abfb - test[b137923399915ecf]::run_test_in_process
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56ead0d0abfb - test[b137923399915ecf]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56ead0d05054 - test[b137923399915ecf]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56ead0d05054 - 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]   35:     0x56ead0d0d802 - 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]   36:     0x56ead0d0d802 - <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]   37:     0x56ead0d0d802 - 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]   38:     0x56ead0d0d802 - 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]   39:     0x56ead0d0d802 - 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]   40:     0x56ead0d0d802 - 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]   41:     0x56ead0d0d802 - <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]   42:     0x56ead0e5714f - <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]   43:     0x56ead0e5714f - <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]   44:     0x7d8372f8daa4 - <unknown>
[INFO] [stdout]   45:     0x7d837301aa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test demo`
[INFO] running `Command { std: "docker" "inspect" "68b6561230a50535be984189a0ee5da1370c1d7fa55ae86dba2a0b832b24c512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b6561230a50535be984189a0ee5da1370c1d7fa55ae86dba2a0b832b24c512", kill_on_drop: false }`
[INFO] [stdout] 68b6561230a50535be984189a0ee5da1370c1d7fa55ae86dba2a0b832b24c512
