[INFO] fetching crate twiggy 0.8.0...
[INFO] testing twiggy-0.8.0 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate twiggy 0.8.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate twiggy 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate twiggy 0.8.0
[INFO] tweaked toml for crates.io crate twiggy 0.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate twiggy 0.8.0 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twiggy 0.8.0 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twiggy-ir v0.8.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded crc32fast v1.3.2
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded unicode-segmentation v1.9.0
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded hashbrown v0.15.3
[INFO] [stderr]   Downloaded cpp_demangle v0.3.5
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] [stderr]   Downloaded wasmparser v0.230.0
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded syn v2.0.101
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded ruzstd v0.7.3
[INFO] [stderr]   Downloaded hashbrown v0.11.2
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded ryu v1.0.10
[INFO] [stderr]   Downloaded indexmap v1.8.2
[INFO] [stderr]   Downloaded petgraph v0.6.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded twiggy-analyze v0.8.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded twox-hash v1.6.3
[INFO] [stderr]   Downloaded wasmparser v0.80.2
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded static_assertions v1.1.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded fixedbitset v0.4.1
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded twiggy-traits v0.8.0
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded libc v0.2.169
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded version_check v0.9.4
[INFO] [stderr]   Downloaded twiggy-opt v0.8.0
[INFO] [stderr]   Downloaded twiggy-parser v0.8.0
[INFO] [stderr]   Downloaded frozen v1.0.0
[INFO] [stderr]   Downloaded csv v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e92258493645e6da86d023797c15356ad82220e9b9e0f6d41ce59ff16de66fd
[INFO] running `Command { std: "docker" "start" "-a" "2e92258493645e6da86d023797c15356ad82220e9b9e0f6d41ce59ff16de66fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e92258493645e6da86d023797c15356ad82220e9b9e0f6d41ce59ff16de66fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e92258493645e6da86d023797c15356ad82220e9b9e0f6d41ce59ff16de66fd", kill_on_drop: false }`
[INFO] [stdout] 2e92258493645e6da86d023797c15356ad82220e9b9e0f6d41ce59ff16de66fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76a0a4c1d41d1125b8ce2c530e40a166148a66e956e48cde36a903befad9da95
[INFO] running `Command { std: "docker" "start" "-a" "76a0a4c1d41d1125b8ce2c530e40a166148a66e956e48cde36a903befad9da95", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wasmparser v0.80.2
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wasmparser v0.230.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling ruzstd v0.7.3
[INFO] [stderr]    Compiling csv v1.2.2
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling twiggy-opt v0.8.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling twiggy-ir v0.8.0
[INFO] [stderr]    Compiling twiggy-traits v0.8.0
[INFO] [stderr]    Compiling twiggy-analyze v0.8.0
[INFO] [stderr]    Compiling twiggy-parser v0.8.0
[INFO] [stderr]    Compiling twiggy v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.07s
[INFO] running `Command { std: "docker" "inspect" "76a0a4c1d41d1125b8ce2c530e40a166148a66e956e48cde36a903befad9da95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a0a4c1d41d1125b8ce2c530e40a166148a66e956e48cde36a903befad9da95", kill_on_drop: false }`
[INFO] [stdout] 76a0a4c1d41d1125b8ce2c530e40a166148a66e956e48cde36a903befad9da95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a930ec34adf4fd86e1754be1b90df0dd516e13b5bea5ca6211d2840ab9f23c92
[INFO] running `Command { std: "docker" "start" "-a" "a930ec34adf4fd86e1754be1b90df0dd516e13b5bea5ca6211d2840ab9f23c92", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling twiggy v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "a930ec34adf4fd86e1754be1b90df0dd516e13b5bea5ca6211d2840ab9f23c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a930ec34adf4fd86e1754be1b90df0dd516e13b5bea5ca6211d2840ab9f23c92", kill_on_drop: false }`
[INFO] [stdout] a930ec34adf4fd86e1754be1b90df0dd516e13b5bea5ca6211d2840ab9f23c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73bf956577d4e70967343fc3e73b87a16dfa13bc12544456b76e0052f9b39f7d
[INFO] running `Command { std: "docker" "start" "-a" "73bf956577d4e70967343fc3e73b87a16dfa13bc12544456b76e0052f9b39f7d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests twiggy.rs (/opt/rustwide/target/debug/deps/twiggy-ea79eb9ea77ce390)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/all/main.rs (/opt/rustwide/target/debug/deps/all-28d6d39e0e2869f3)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 89 tests
[INFO] [stdout] test diff_tests::diff_test_exact_wee_alloc ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_csv ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc ... ok
[INFO] [stdout] test diff_tests::diff_test_regex_wee_alloc ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_json ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_json_top_5 ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_all_json ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_csv_top_5 ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_top_5 ... ok
[INFO] [stdout] test dominators_tests::dominators_summarizes_unreachable_items ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_all ... ok
[INFO] [stdout] test dominators_tests::dominators_csv_does_not_summarize_garbage_if_all_items_are_reachable ... ok
[INFO] [stdout] test dominators_tests::dominators_json_prints_multiple_root_items ... ok
[INFO] [stdout] test dominators_tests::dominators_regex_any_func ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_csv ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_json ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_subtree_json ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_subtree ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_with_depth_and_row ... ok
[INFO] [stdout] test elf_format_tests::elf_dominators3 ... ok
[INFO] [stdout] test elf_format_tests::elf_paths ... ok
[INFO] [stdout] test garbage_tests::garbage ... ok
[INFO] [stdout] test elf_format_tests::elf_paths2 ... ok
[INFO] [stdout] test elf_format_tests::elf_dominators2 ... ok
[INFO] [stdout] test elf_format_tests::elf_top_hello_world_rs ... ok
[INFO] [stdout] test garbage_tests::garbage_top_2 ... ok
[INFO] [stdout] test elf_format_tests::elf_top_25_hello_world_rs ... ok
[INFO] [stdout] test garbage_tests::garbage_json ... ok
[INFO] [stdout] test garbage_tests::garbage_top_2_json ... ok
[INFO] [stdout] test elf_format_tests::elf_dominators ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_all_json ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_all ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_show_data_segments ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_show_data_segments_json ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_10 ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_2_show_data_segments ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_2_show_data_segments_json ... ok
[INFO] [stdout] test monos_tests::cpp_monos ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_10_json ... ok
[INFO] [stdout] test monos_tests::monos ... ok
[INFO] [stdout] test monos_tests::monos_json ... ok
[INFO] [stdout] test monos_tests::monos_all ... ok
[INFO] [stdout] test monos_tests::monos_maxes ... ok
[INFO] [stdout] test monos_tests::monos_all_monos ... ok
[INFO] [stdout] test monos_tests::monos_only_all_generics ... ok
[INFO] [stdout] test monos_tests::monos_all_generics ... ok
[INFO] [stdout] test monos_tests::monos_functions ... ok
[INFO] [stdout] test monos_tests::monos_regex ... ok
[INFO] [stdout] test paths_tests::issue_16 ... ok
[INFO] [stdout] test monos_tests::monos_only_generics ... ok
[INFO] [stdout] test paths_tests::paths_error_test_no_max_paths_csv ... ok
[INFO] [stdout] test monos_tests::monos_wasm_csv ... ok
[INFO] [stdout] test paths_tests::paths_error_test_no_max_paths ... ok
[INFO] [stdout] test paths_tests::paths_error_test_no_max_paths_json ... ok
[INFO] [stdout] test paths_tests::paths_error_test_one_path ... ok
[INFO] [stdout] test paths_tests::paths_error_test_one_path_csv ... ok
[INFO] [stdout] test paths_tests::paths_error_test_one_path_json ... ok
[INFO] [stdout] test paths_tests::paths_test_called_once ... ok
[INFO] [stdout] test paths_tests::paths_test_called_twice ... ok
[INFO] [stdout] test paths_tests::paths_test_called_twice_json ... ok
[INFO] [stdout] test paths_tests::paths_test_called_once_csv ... ok
[INFO] [stdout] test paths_tests::paths_test_called_once_json ... ok
[INFO] [stdout] test paths_tests::paths_test_called_twice_csv ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output ... ok
[INFO] [stdout] test paths_tests::paths_test_regex_exports ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_desc ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_csv ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_desc_with_depth ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_json ... ok
[INFO] [stdout] test paths_tests::paths_test_regex_called_any ... ok
[INFO] [stdout] test paths_tests::paths_test_regex_exports_desc ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_with_depth_and_paths ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_csv ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_json ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_with_depth_and_paths_csv ... ok
[INFO] [stdout] test top_tests::top_2_csv ... ok
[INFO] [stdout] test top_tests::top_2_csv_retained ... ok
[INFO] [stdout] test top_tests::output_to_file ... FAILED
[INFO] [stdout] test paths_tests::paths_wee_alloc_with_depth_and_paths_json ... ok
[INFO] [stdout] test top_tests::top_2_json ... ok
[INFO] [stdout] test top_tests::top_memory_module ... ok
[INFO] [stdout] test top_tests::top_2_json_retained ... ok
[INFO] [stdout] test top_tests::top_mappings ... ok
[INFO] [stdout] test top_tests::top_wee_alloc ... ok
[INFO] [stdout] test top_tests::top_retained_wee_alloc ... ok
[INFO] [stdout] test top_tests::top_retained_mappings ... ok
[INFO] [stdout] test top_tests::top_mono ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- top_tests::output_to_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'top_tests::output_to_file' (869) panicked at tests/all/top_tests.rs:72:1:
[INFO] [stdout] should have run `twiggy` OK
[INFO] [stdout] 
[INFO] [stdout] ============================== stdout ==============================
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ============================== stderr ==============================
[INFO] [stdout] 
[INFO] [stdout]     Blocking waiting for file lock on artifact directory
[INFO] [stdout]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stdout]      Running `/opt/rustwide/target/debug/twiggy top ./fixtures/wee_alloc.wasm -o whatever-output.txt`
[INFO] [stdout] error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x640c3294d802 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x640c3294d802 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x640c3294d802 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x640c3294d802 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x640c3296215a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x640c3296215a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x640c329526b6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x640c329526b6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x640c3292bc4f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x640c3292bc4f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x640c32945949 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x640c328e11be - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x640c328e11be - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x640c32945b02 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x640c32945b02 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x640c3292bd08 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x640c32920f59 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x640c3292cb5d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x640c329627ec - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x640c328906e5 - all[2e5b0a82eba50f2c]::top_tests::output_to_file
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/all/main.rs:32:13
[INFO] [stdout]   20:     0x640c3288be37 - all[2e5b0a82eba50f2c]::top_tests::output_to_file::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/all/main.rs:15:19
[INFO] [stdout]   21:     0x640c328bda16 - <all[2e5b0a82eba50f2c]::top_tests::output_to_file::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x640c328d556b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x640c328d556b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x640c328e1dca - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x640c328e1dca - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x640c328e1dca - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x640c328e1dca - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x640c328e1dca - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x640c328e1dca - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x640c328e1dca - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x640c328dd374 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x640c328dd374 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x640c328e48c2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x640c328e48c2 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x640c328e48c2 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x640c328e48c2 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x640c328e48c2 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x640c328e48c2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x640c328e48c2 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x640c3294cf0f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x640c3294cf0f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   42:     0x7a9b38c9baa4 - <unknown>
[INFO] [stdout]   43:     0x7a9b38d28a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     top_tests::output_to_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 88 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.73s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test all`
[INFO] running `Command { std: "docker" "inspect" "73bf956577d4e70967343fc3e73b87a16dfa13bc12544456b76e0052f9b39f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73bf956577d4e70967343fc3e73b87a16dfa13bc12544456b76e0052f9b39f7d", kill_on_drop: false }`
[INFO] [stdout] 73bf956577d4e70967343fc3e73b87a16dfa13bc12544456b76e0052f9b39f7d
