[INFO] cloning repository https://github.com/BaronVonDrew/IncrementalJsonWriter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BaronVonDrew/IncrementalJsonWriter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaronVonDrew%2FIncrementalJsonWriter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaronVonDrew%2FIncrementalJsonWriter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33491bbf085df81fe86a9adefd29e246ba37c30d
[INFO] testing BaronVonDrew/IncrementalJsonWriter against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaronVonDrew%2FIncrementalJsonWriter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BaronVonDrew/IncrementalJsonWriter on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BaronVonDrew/IncrementalJsonWriter
[INFO] finished tweaking git repo https://github.com/BaronVonDrew/IncrementalJsonWriter
[INFO] tweaked toml for git repo https://github.com/BaronVonDrew/IncrementalJsonWriter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BaronVonDrew/IncrementalJsonWriter 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded rayon-core v1.9.2
[INFO] [stderr]   Downloaded ciborium-io v0.2.1
[INFO] [stderr]   Downloaded ciborium-ll v0.2.1
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[INFO] [stderr]   Downloaded clap v4.4.7
[INFO] [stderr]   Downloaded ciborium v0.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded criterion v0.5.1
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[INFO] [stderr]   Downloaded rustix v0.38.21
[INFO] [stderr]   Downloaded clap_builder v4.4.7
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdb9bcb519bec02378a62e2bfa4222e15592e4ff4d0ac3f5d26c08aa66cc46dd
[INFO] running `Command { std: "docker" "start" "-a" "fdb9bcb519bec02378a62e2bfa4222e15592e4ff4d0ac3f5d26c08aa66cc46dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdb9bcb519bec02378a62e2bfa4222e15592e4ff4d0ac3f5d26c08aa66cc46dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb9bcb519bec02378a62e2bfa4222e15592e4ff4d0ac3f5d26c08aa66cc46dd", kill_on_drop: false }`
[INFO] [stdout] fdb9bcb519bec02378a62e2bfa4222e15592e4ff4d0ac3f5d26c08aa66cc46dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13401d4da8fd2b3a910554f066b7b14c73b1d1eaeedf9942e9cab94382c027ca
[INFO] running `Command { std: "docker" "start" "-a" "13401d4da8fd2b3a910554f066b7b14c73b1d1eaeedf9942e9cab94382c027ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling incremental-writer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.15s
[INFO] running `Command { std: "docker" "inspect" "13401d4da8fd2b3a910554f066b7b14c73b1d1eaeedf9942e9cab94382c027ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13401d4da8fd2b3a910554f066b7b14c73b1d1eaeedf9942e9cab94382c027ca", kill_on_drop: false }`
[INFO] [stdout] 13401d4da8fd2b3a910554f066b7b14c73b1d1eaeedf9942e9cab94382c027ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5dcf40304a3ac871a6c8e21f6642470afd79096705bff6cd1ac1ee30c70fabb
[INFO] running `Command { std: "docker" "start" "-a" "a5dcf40304a3ac871a6c8e21f6642470afd79096705bff6cd1ac1ee30c70fabb", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling ciborium-io v0.2.1
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap_builder v4.4.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.1
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling clap v4.4.7
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling incremental-writer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.49s
[INFO] running `Command { std: "docker" "inspect" "a5dcf40304a3ac871a6c8e21f6642470afd79096705bff6cd1ac1ee30c70fabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dcf40304a3ac871a6c8e21f6642470afd79096705bff6cd1ac1ee30c70fabb", kill_on_drop: false }`
[INFO] [stdout] a5dcf40304a3ac871a6c8e21f6642470afd79096705bff6cd1ac1ee30c70fabb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b31a90ec6cf10684ce1fbf12d66ae9cc1487ca084e94e025a8fe5431cc66298
[INFO] running `Command { std: "docker" "start" "-a" "9b31a90ec6cf10684ce1fbf12d66ae9cc1487ca084e94e025a8fe5431cc66298", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/incremental_writer-94eb3a0e6769959b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test json::writer_writes_square_brackets_to_buffer ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- json::writer_writes_square_brackets_to_buffer stdout ----
[INFO] [stdout] thread 'json::writer_writes_square_brackets_to_buffer' panicked at src/json/mod.rs:91:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ffbfd30c32a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5ffbfd30c32a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5ffbfd30c32a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ffbfd30c32a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ffbfd331753 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5ffbfd331753 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5ffbfd3094a3 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5ffbfd30c172 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5ffbfd30d78a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5ffbfd30d594 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5ffbfd2d89b9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5ffbfd2d89b9 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5ffbfd30de28 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5ffbfd30de28 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5ffbfd30dbea - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5ffbfd30c809 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5ffbfd30d87c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5ffbfd293a60 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5ffbfd293ea6 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5ffbfd29b01c - core::result::Result<T,E>::unwrap::h0eff32f10fae1971
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5ffbfd29b01c - incremental_writer::json::writer_writes_square_brackets_to_buffer::hfd98cdb1b006f5ab
[INFO] [stdout]                                at /opt/rustwide/workdir/src/json/mod.rs:91:18
[INFO] [stdout]   21:     0x5ffbfd29ad67 - incremental_writer::json::writer_writes_square_brackets_to_buffer::{{closure}}::h2f850b6a9a8333c0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/json/mod.rs:68:45
[INFO] [stdout]   22:     0x5ffbfd296216 - core::ops::function::FnOnce::call_once::h670223d9dff29128
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5ffbfd2dd37b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ffbfd2dd37b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5ffbfd2dcbb7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5ffbfd2dcbb7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5ffbfd2dcbb7 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5ffbfd2dcbb7 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5ffbfd2dcbb7 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5ffbfd2dcbb7 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5ffbfd2dcbb7 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5ffbfd2a1e94 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5ffbfd2a1e94 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5ffbfd2a555e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x5ffbfd2a555e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5ffbfd2a555e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5ffbfd2a555e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5ffbfd2a555e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5ffbfd2a555e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x5ffbfd2a555e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ffbfd311b8b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5ffbfd311b8b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5ffbfd311b8b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x711f7661eac3 - <unknown>
[INFO] [stdout]   45:     0x711f766afa04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     json::writer_writes_square_brackets_to_buffer
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 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" "9b31a90ec6cf10684ce1fbf12d66ae9cc1487ca084e94e025a8fe5431cc66298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b31a90ec6cf10684ce1fbf12d66ae9cc1487ca084e94e025a8fe5431cc66298", kill_on_drop: false }`
[INFO] [stdout] 9b31a90ec6cf10684ce1fbf12d66ae9cc1487ca084e94e025a8fe5431cc66298
