[INFO] cloning repository https://github.com/artichoke/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artichoke/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc81713d872e46132f1214256e80db3c83c2a623
[INFO] testing artichoke/playground against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fplayground" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/artichoke/playground
[INFO] finished tweaking git repo https://github.com/artichoke/playground
[INFO] tweaked toml for git repo https://github.com/artichoke/playground written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/artichoke/playground on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/artichoke/playground 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98a73a3a21088762b09e47154fc15e101afca2be9541580c358549312db1110b
[INFO] running `Command { std: "docker" "start" "-a" "98a73a3a21088762b09e47154fc15e101afca2be9541580c358549312db1110b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98a73a3a21088762b09e47154fc15e101afca2be9541580c358549312db1110b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a73a3a21088762b09e47154fc15e101afca2be9541580c358549312db1110b", kill_on_drop: false }`
[INFO] [stdout] 98a73a3a21088762b09e47154fc15e101afca2be9541580c358549312db1110b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9af8f0c4693b852d0816da19f329ba2cb51cb7ad2fe71f944cd41cefc9535326
[INFO] running `Command { std: "docker" "start" "-a" "9af8f0c4693b852d0816da19f329ba2cb51cb7ad2fe71f944cd41cefc9535326", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling raw-parts v2.2.0
[INFO] [stderr]    Compiling posix-space v1.0.4
[INFO] [stderr]    Compiling focaccia v1.6.0
[INFO] [stderr]    Compiling rand_mt v4.2.2
[INFO] [stderr]    Compiling scolapasta-strbuf v1.0.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling artichoke-core v0.13.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling qed v1.6.1
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling scolapasta-aref v0.1.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling tz-rs v0.6.14
[INFO] [stderr]    Compiling intaglio v1.10.0
[INFO] [stderr]    Compiling scolapasta-hex v0.3.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling spinoso-array v0.10.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling mezzaluna-type-registry v2.0.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling artichoke-load-path v0.1.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling scolapasta-path v0.5.1 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling mezzaluna-conversion-methods v1.0.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling scolapasta-string-escape v0.3.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling artichoke v0.1.0-pre.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling scolapasta-int-parse v0.2.2 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling spinoso-symbol v0.4.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling spinoso-env v0.2.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling spinoso-regexp v0.5.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling spinoso-string v0.25.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling spinoso-exception v0.1.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling spinoso-math v0.3.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling spinoso-securerandom v0.2.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling spinoso-random v0.4.0 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling artichoke-backend v0.24.1 (https://github.com/artichoke/artichoke.git?rev=7f056e977b5fa2acf9f34e6fb211e4ae7b47d279#7f056e97)
[INFO] [stderr]    Compiling playground v0.15.0 (/opt/rustwide/workdir/playground)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.13s
[INFO] running `Command { std: "docker" "inspect" "9af8f0c4693b852d0816da19f329ba2cb51cb7ad2fe71f944cd41cefc9535326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af8f0c4693b852d0816da19f329ba2cb51cb7ad2fe71f944cd41cefc9535326", kill_on_drop: false }`
[INFO] [stdout] 9af8f0c4693b852d0816da19f329ba2cb51cb7ad2fe71f944cd41cefc9535326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce20e659cf17db8ed43d1f5838f2747ae00fe70b4b518e022694e9f7ea365be0
[INFO] running `Command { std: "docker" "start" "-a" "ce20e659cf17db8ed43d1f5838f2747ae00fe70b4b518e022694e9f7ea365be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.15.0 (/opt/rustwide/workdir/playground)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "ce20e659cf17db8ed43d1f5838f2747ae00fe70b4b518e022694e9f7ea365be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce20e659cf17db8ed43d1f5838f2747ae00fe70b4b518e022694e9f7ea365be0", kill_on_drop: false }`
[INFO] [stdout] ce20e659cf17db8ed43d1f5838f2747ae00fe70b4b518e022694e9f7ea365be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcfcbc9f617b6f7a8d3ffd82d72856f3af14976bedaebb5216c65d35ee628286
[INFO] running `Command { std: "docker" "start" "-a" "dcfcbc9f617b6f7a8d3ffd82d72856f3af14976bedaebb5216c65d35ee628286", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/playground-4c93dd753cfdd80a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::repl_filename_context_new_unchecked_safety ... ok
[INFO] [stdout] test test::repl_filename_does_not_contain_nul_byte ... ok
[INFO] [stdout] test meta::tests::build_meta_contents ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- meta::tests::build_meta_contents stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'meta::tests::build_meta_contents' (24) panicked at playground/src/meta.rs:47:9:
[INFO] [stdout] Compiler meta mismatch, got: [rustc 1.94.0-beta.1 (9b1f8ff42 2026-01-19) on x86_64-unknown-linux-gnu]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x571d34898a12 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x571d34898a12 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x571d34898a12 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x571d34898a12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x571d348a975a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x571d348a975a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x571d348675d6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x571d348675d6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x571d34877e99 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x571d34877e99 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x571d34877d31 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x571d3434691e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x571d3434691e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x571d34878112 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x571d34878112 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x571d34877f58 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x571d34873189 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x571d3485c1cd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x571d348b1dec - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x571d34325f7d - playground::meta::tests::build_meta_contents::h780f544703814e6c
[INFO] [stdout]                                at /opt/rustwide/workdir/playground/src/meta.rs:47:9
[INFO] [stdout]   20:     0x571d34325fd7 - playground::meta::tests::build_meta_contents::{{closure}}::hd6a4dac21c1505a4
[INFO] [stdout]                                at /opt/rustwide/workdir/playground/src/meta.rs:41:29
[INFO] [stdout]   21:     0x571d343265c6 - core::ops::function::FnOnce::call_once::hd94794380ac9d4ed
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x571d3434671b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x571d3434671b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x571d3435a0ea - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x571d3435a0ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x571d3435a0ea - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x571d3435a0ea - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x571d3435a0ea - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x571d3435a0ea - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x571d3435a0ea - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x571d34334544 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x571d34334544 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x571d34337e02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x571d34337e02 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x571d34337e02 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x571d34337e02 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x571d34337e02 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x571d34337e02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x571d34337e02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x571d3486e41f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x571d3486e41f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   42:     0x7633876e5aa4 - <unknown>
[INFO] [stdout]   43:     0x763387772a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     meta::tests::build_meta_contents
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "dcfcbc9f617b6f7a8d3ffd82d72856f3af14976bedaebb5216c65d35ee628286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfcbc9f617b6f7a8d3ffd82d72856f3af14976bedaebb5216c65d35ee628286", kill_on_drop: false }`
[INFO] [stdout] dcfcbc9f617b6f7a8d3ffd82d72856f3af14976bedaebb5216c65d35ee628286
