[INFO] fetching crate twiggy 0.6.0...
[INFO] testing twiggy-0.6.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate twiggy 0.6.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate twiggy 0.6.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twiggy 0.6.0
[INFO] finished tweaking crates.io crate twiggy 0.6.0
[INFO] tweaked toml for crates.io crate twiggy 0.6.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate crates.io crate twiggy 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded twiggy-analyze v0.6.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded regex v1.1.7
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded rgb v0.8.13
[INFO] [stderr]   Downloaded miniz_oxide v0.2.1
[INFO] [stderr]   Downloaded flate2 v1.0.9
[INFO] [stderr]   Downloaded twiggy-parser v0.6.0
[INFO] [stderr]   Downloaded cpp_demangle v0.2.12
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded bstr v0.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] [stderr]   Downloaded backtrace-sys v0.1.29
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded typed-arena v1.4.1
[INFO] [stderr]   Downloaded regex-automata v0.1.7
[INFO] [stderr]   Downloaded csv v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b80532a2575e30b4f3adb8f931f7fa497383596f4aee15bb65df3104ef8a4add
[INFO] running `Command { std: "docker" "start" "-a" "b80532a2575e30b4f3adb8f931f7fa497383596f4aee15bb65df3104ef8a4add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b80532a2575e30b4f3adb8f931f7fa497383596f4aee15bb65df3104ef8a4add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80532a2575e30b4f3adb8f931f7fa497383596f4aee15bb65df3104ef8a4add", kill_on_drop: false }`
[INFO] [stdout] b80532a2575e30b4f3adb8f931f7fa497383596f4aee15bb65df3104ef8a4add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3308823164495de3e577b18f475b591650c7869c39e344dfb792966c4a78a5
[INFO] running `Command { std: "docker" "start" "-a" "da3308823164495de3e577b18f475b591650c7869c39e344dfb792966c4a78a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling wasmparser v0.31.1
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling parity-wasm v0.38.0
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling cpp_demangle v0.2.12
[INFO] [stderr]    Compiling regex-automata v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling gimli v0.18.0
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling bstr v0.2.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling twiggy-opt v0.6.0
[INFO] [stderr]    Compiling csv v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling goblin v0.0.22
[INFO] [stderr]    Compiling twiggy-ir v0.6.0
[INFO] [stderr]    Compiling twiggy-traits v0.6.0
[INFO] [stderr]    Compiling object v0.12.0
[INFO] [stderr]    Compiling twiggy-analyze v0.6.0
[INFO] [stderr]    Compiling twiggy-parser v0.6.0
[INFO] [stderr]    Compiling twiggy v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> twiggy.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for c in Fail::iter_causes(&e) {
[INFO] [stdout]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.49s
[INFO] running `Command { std: "docker" "inspect" "da3308823164495de3e577b18f475b591650c7869c39e344dfb792966c4a78a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3308823164495de3e577b18f475b591650c7869c39e344dfb792966c4a78a5", kill_on_drop: false }`
[INFO] [stdout] da3308823164495de3e577b18f475b591650c7869c39e344dfb792966c4a78a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85322b137950d97e8b66730e474a4b53dda9bf943dfee3640b6924cf37b143da
[INFO] running `Command { std: "docker" "start" "-a" "85322b137950d97e8b66730e474a4b53dda9bf943dfee3640b6924cf37b143da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rgb v0.8.13
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> twiggy.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for c in Fail::iter_causes(&e) {
[INFO] [stdout]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling twiggy v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> twiggy.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for c in Fail::iter_causes(&e) {
[INFO] [stdout]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "85322b137950d97e8b66730e474a4b53dda9bf943dfee3640b6924cf37b143da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85322b137950d97e8b66730e474a4b53dda9bf943dfee3640b6924cf37b143da", kill_on_drop: false }`
[INFO] [stdout] 85322b137950d97e8b66730e474a4b53dda9bf943dfee3640b6924cf37b143da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb56f14e30ff9c41fda90f650192c0aed8ae3602a0115b71519e0fad21cc7b39
[INFO] running `Command { std: "docker" "start" "-a" "fb56f14e30ff9c41fda90f650192c0aed8ae3602a0115b71519e0fad21cc7b39", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> twiggy.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |         for c in Fail::iter_causes(&e) {
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> twiggy.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |         for c in Fail::iter_causes(&e) {
[INFO] [stderr]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twiggy-34bb40db7750a4bd)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/all/main.rs (/opt/rustwide/target/debug/deps/all-c4dba59a6eea8787)
[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 80 tests
[INFO] [stdout] test diff_tests::diff_wee_alloc_top_5 ... ok
[INFO] [stdout] test dominators_tests::dominators_csv_does_not_summarize_garbage_if_all_items_are_reachable ... ok
[INFO] [stdout] test diff_tests::diff_test_regex_wee_alloc ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_with_depth_and_row ... ok
[INFO] [stdout] test garbage_tests::garbage_top_2 ... ok
[INFO] [stdout] test dominators_tests::dominators_regex_any_func ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_csv_top_5 ... ok
[INFO] [stdout] test dominators_tests::dominators_summarizes_unreachable_items ... ok
[INFO] [stdout] test dominators_tests::dominators_json_prints_multiple_root_items ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_subtree_json ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_all ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_json ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_with_depth_and_paths_csv ... ok
[INFO] [stdout] test top_tests::top_wee_alloc ... ok
[INFO] [stdout] test top_tests::top_2_json ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_csv ... ok
[INFO] [stdout] test top_tests::top_mappings ... ok
[INFO] [stdout] test diff_tests::diff_test_exact_wee_alloc ... ok
[INFO] [stdout] test paths_tests::paths_test_called_twice_csv ... ok
[INFO] [stdout] test paths_tests::paths_error_test_no_max_paths ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_csv ... ok
[INFO] [stdout] test elf_format_tests::elf_top_25_hello_world_rs ... ok
[INFO] [stdout] test paths_tests::paths_test_called_once_json ... ok
[INFO] [stdout] test paths_tests::issue_16 ... ok
[INFO] [stdout] test paths_tests::paths_test_regex_exports_desc ... ok
[INFO] [stdout] test monos_tests::monos_all ... ok
[INFO] [stdout] test top_tests::top_retained_mappings ... ok
[INFO] [stdout] test monos_tests::monos_only_generics ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_json ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_show_data_segments_json ... ok
[INFO] [stdout] test top_tests::top_2_csv ... ok
[INFO] [stdout] test top_tests::output_to_file ... FAILED
[INFO] [stdout] test garbage_tests::garbage ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_desc_with_depth ... ok
[INFO] [stdout] test top_tests::top_2_csv_retained ... ok
[INFO] [stdout] test garbage_tests::garbage_top_2_json ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_with_depth_and_paths ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_all_json ... ok
[INFO] [stdout] test paths_tests::paths_test_called_twice_json ... ok
[INFO] [stdout] test monos_tests::monos_json ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_2_show_data_segments ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc ... ok
[INFO] [stdout] test monos_tests::monos_maxes ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_json ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc_with_depth_and_paths_json ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_csv ... ok
[INFO] [stdout] test paths_tests::paths_test_called_once_csv ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_10_json ... ok
[INFO] [stdout] test dominators_tests::dominators_wee_alloc_subtree ... ok
[INFO] [stdout] test monos_tests::monos_all_generics ... ok
[INFO] [stdout] test paths_tests::paths_error_test_one_path ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_json_top_5 ... ok
[INFO] [stdout] test monos_tests::monos_all_monos ... ok
[INFO] [stdout] test paths_tests::paths_test_regex_exports ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_show_data_segments ... ok
[INFO] [stdout] test paths_tests::paths_error_test_no_max_paths_json ... ok
[INFO] [stdout] test paths_tests::paths_error_test_one_path_csv ... ok
[INFO] [stdout] test garbage_tests::garbage_json ... ok
[INFO] [stdout] test paths_tests::paths_error_test_no_max_paths_csv ... ok
[INFO] [stdout] test monos_tests::monos ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_desc ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_10 ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_csv ... ok
[INFO] [stdout] test monos_tests::monos_wasm_csv ... ok
[INFO] [stdout] test top_tests::top_retained_wee_alloc ... ok
[INFO] [stdout] test diff_tests::diff_wee_alloc_all ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output ... ok
[INFO] [stdout] test monos_tests::cpp_monos ... ok
[INFO] [stdout] test monos_tests::monos_only_all_generics ... ok
[INFO] [stdout] test paths_tests::paths_wee_alloc ... ok
[INFO] [stdout] test paths_tests::paths_test_regex_called_any ... ok
[INFO] [stdout] test paths_tests::paths_error_test_one_path_json ... ok
[INFO] [stdout] test garbage_tests::garbage_wee_alloc_top_2_show_data_segments_json ... ok
[INFO] [stdout] test top_tests::top_2_json_retained ... ok
[INFO] [stdout] test paths_tests::paths_test_default_output_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 elf_format_tests::elf_top_hello_world_rs ... 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] thread 'top_tests::output_to_file' panicked at '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 build directory
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> twiggy.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |         for c in Fail::iter_causes(&e) {
[INFO] [stdout]    |                  ^^^^ help: use `dyn`: `<dyn Fail>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stdout]      Running `/opt/rustwide/target/debug/twiggy top ./fixtures/wee_alloc.wasm -o whatever-output.txt`
[INFO] [stdout] error: I/O error: Read-only file system (os error 30)
[INFO] [stdout]   caused by: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ', tests/all/top_tests.rs:72:1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5618f02b6d60 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5618f02b6d60 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5618f02b6d60 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5618f02b6d60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5618f02d973c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x5618f02b3c75 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x5618f02b8ecb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5618f02b8ecb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5618f02b8ecb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5618f02b89dc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5618f02b9594 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5618f02b9077 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5618f02b725c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5618f02b8fd9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5618f01bef2b - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x5618f0213e9d - all::top_tests::output_to_file::h06a08707b46d4d19
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/all/main.rs:32:13
[INFO] [stdout]   16:     0x5618f0213a2a - all::top_tests::output_to_file::{{closure}}::hfa74b545538bd08c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/all/main.rs:15:9
[INFO] [stdout]   17:     0x5618f0244afe - core::ops::function::FnOnce::call_once::hd0fce15297887ebc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x5618f028e0e3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x5618f028e0e3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   20:     0x5618f028cba0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   21:     0x5618f028cba0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   22:     0x5618f028cba0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x5618f028cba0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x5618f028cba0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   25:     0x5618f028cba0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   26:     0x5618f028cba0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x5618f0266252 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x5618f0266252 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   29:     0x5618f0269e08 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   30:     0x5618f0269e08 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   31:     0x5618f0269e08 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   32:     0x5618f0269e08 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   33:     0x5618f0269e08 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   34:     0x5618f0269e08 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   35:     0x5618f0269e08 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x5618f02be1a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   37:     0x5618f02be1a7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   38:     0x5618f02be1a7 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   39:     0x7fa2e3229609 - start_thread
[INFO] [stdout]   40:     0x7fa2e2ffb293 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     top_tests::output_to_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 79 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.40s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test all'
[INFO] running `Command { std: "docker" "inspect" "fb56f14e30ff9c41fda90f650192c0aed8ae3602a0115b71519e0fad21cc7b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb56f14e30ff9c41fda90f650192c0aed8ae3602a0115b71519e0fad21cc7b39", kill_on_drop: false }`
[INFO] [stdout] fb56f14e30ff9c41fda90f650192c0aed8ae3602a0115b71519e0fad21cc7b39
