[INFO] fetching crate timeln 0.1.4...
[INFO] testing timeln-0.1.4 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate timeln 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate timeln 0.1.4
[INFO] finished tweaking crates.io crate timeln 0.1.4
[INFO] tweaked toml for crates.io crate timeln 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate timeln 0.1.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate timeln 0.1.4 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3
[INFO] running `Command { std: "docker" "start" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.61
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling const-cstr v0.3.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling syn v2.0.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling ttf-parser v0.17.1
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling ctrlc v3.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling pest v2.7.0
[INFO] [stderr]    Compiling plotters-bitmap v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling timeln v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UnicodeAnnotator` is never constructed
[INFO] [stdout]   --> src/annotator.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct UnicodeAnnotator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Io(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 52 -     Io(std::io::Error),
[INFO] [stdout] 52 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Regex(regex::Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -     Regex(regex::Error),
[INFO] [stdout] 53 +     Regex(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:54:15
[INFO] [stdout]    |
[INFO] [stdout] 54 |     SendError(SendError<TimeSnapshot>),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 -     SendError(SendError<TimeSnapshot>),
[INFO] [stdout] 54 +     SendError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |     MutexPoisonedError(String),
[INFO] [stdout]    |     ------------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -     MutexPoisonedError(String),
[INFO] [stdout] 55 +     MutexPoisonedError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |     BoxError(Box<dyn std::error::Error>),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -     BoxError(Box<dyn std::error::Error>),
[INFO] [stdout] 56 +     BoxError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MillisecondsFormat` is never constructed
[INFO] [stdout]   --> src/formatter.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct MillisecondsFormat;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinutesSecondsFormat` is never constructed
[INFO] [stdout]   --> src/formatter.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct MinutesSecondsFormat;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestReadData` is never constructed
[INFO] [stdout]   --> src/reader.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct TestReadData {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DetailedSummarizer` is never constructed
[INFO] [stdout]   --> src/summarizer.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct DetailedSummarizer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/timeln.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl TimeSnapshot {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 90 |     /// Create a defualt instance of TimeSnapshot.
[INFO] [stdout] 91 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.87s
[INFO] running `Command { std: "docker" "inspect" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling timeln v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Regex(regex::Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -     Regex(regex::Error),
[INFO] [stdout] 53 +     Regex(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:54:15
[INFO] [stdout]    |
[INFO] [stdout] 54 |     SendError(SendError<TimeSnapshot>),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 -     SendError(SendError<TimeSnapshot>),
[INFO] [stdout] 54 +     SendError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |     MutexPoisonedError(String),
[INFO] [stdout]    |     ------------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -     MutexPoisonedError(String),
[INFO] [stdout] 55 +     MutexPoisonedError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/error.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 |     BoxError(Box<dyn std::error::Error>),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -     BoxError(Box<dyn std::error::Error>),
[INFO] [stdout] 56 +     BoxError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/error.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Regex(regex::Error),
[INFO] [stderr]    |     ----- ^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 53 -     Regex(regex::Error),
[INFO] [stderr] 53 +     Regex(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/error.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |     SendError(SendError<TimeSnapshot>),
[INFO] [stderr]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 54 -     SendError(SendError<TimeSnapshot>),
[INFO] [stderr] 54 +     SendError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/error.rs:55:24
[INFO] [stderr]    |
[INFO] [stderr] 55 |     MutexPoisonedError(String),
[INFO] [stderr]    |     ------------------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 55 -     MutexPoisonedError(String),
[INFO] [stderr] 55 +     MutexPoisonedError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/error.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |     BoxError(Box<dyn std::error::Error>),
[INFO] [stderr]    |     -------- ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TimelnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 56 -     BoxError(Box<dyn std::error::Error>),
[INFO] [stderr] 56 +     BoxError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `timeln` (bin "timeln" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/timeln/eab7993d6f3597ed/out/timeln-eab7993d6f3597ed)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test annotator::tests::test_unicode_annotator ... ok
[INFO] [stdout] test annotator::tests::test_simple_annotation ... ok
[INFO] [stdout] test error::tests::test_conversion_from_io_error ... ok
[INFO] [stdout] test error::tests::test_conversion_from_send_error ... ok
[INFO] [stdout] test summarizer::tests::test_detailed_summarizer ... ok
[INFO] [stdout] test formatter::tests::test_seconds_format ... ok
[INFO] [stdout] test formatter::tests::test_milliseconds_format ... ok
[INFO] [stdout] test formatter::tests::test_minutes_seconds_format ... ok
[INFO] [stdout] test timeln::tests::test_timeln_context_new ... ok
[INFO] [stdout] test timeln::tests::test_receive_duration ... ok
[INFO] [stdout] test summarizer::tests::test_simple_summarizer ... ok
[INFO] [stdout] test timeln::tests::test_run ... ok
[INFO] [stdout] test reader::tests::test_test_read_line ... ok
[INFO] [stdout] test timeln::tests::test_send_duration ... ok
[INFO] [stdout] test plot::tests::test_plot_deltas ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- plot::tests::test_plot_deltas stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'plot::tests::test_plot_deltas' (1473) panicked at src/plot.rs:100:9:
[INFO] [stdout] assertion failed: Path::new(filename).exists()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c060d5b3401 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c060d5b3401 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::trace_unsynchronized::<std[617be2ca0a6fd877]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c060d5b3401 - std[617be2ca0a6fd877]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c060d5b3401 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c060d5c9b3a - <core[a373ad73a504971]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c060d5c9b3a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    6:     0x5c060d5b77fc - core[a373ad73a504971]::io::write::default_write_fmt::<alloc[2e1b2a31b91974c5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:402:11
[INFO] [stdout]    7:     0x5c060d5b77fc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:335:13
[INFO] [stdout]    8:     0x5c060d58f396 - <std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c060d58f396 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:289:27
[INFO] [stdout]   10:     0x5c060d5ab899 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:313:9
[INFO] [stdout]   11:     0x5c060d34e890 - <alloc[2e1b2a31b91974c5]::boxed::Box<dyn for<'a, 'b> core[a373ad73a504971]::ops::function::Fn<(&'a std[617be2ca0a6fd877]::panic::PanicHookInfo<'b>,), Output = ()> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::marker::Send> as core[a373ad73a504971]::ops::function::Fn<(&std[617be2ca0a6fd877]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/boxed.rs:2328:9
[INFO] [stdout]   12:     0x5c060d34e890 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x5c060d5aba52 - <alloc[2e1b2a31b91974c5]::boxed::Box<dyn for<'a, 'b> core[a373ad73a504971]::ops::function::Fn<(&'a std[617be2ca0a6fd877]::panic::PanicHookInfo<'b>,), Output = ()> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::marker::Send> as core[a373ad73a504971]::ops::function::Fn<(&std[617be2ca0a6fd877]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/boxed.rs:2328:9
[INFO] [stdout]   14:     0x5c060d5aba52 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:819:13
[INFO] [stdout]   15:     0x5c060d58f474 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:678:13
[INFO] [stdout]   16:     0x5c060d587ff9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5c060d5900cd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:676:5
[INFO] [stdout]   18:     0x5c060d5ca40c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5c060d5ca3d2 - core[a373ad73a504971]::panicking::panic
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5c060d339aac - timeln[47750734e21f3f41]::plot::tests::test_plot_deltas
[INFO] [stdout]                                at /opt/rustwide/workdir/src/plot.rs:100:9
[INFO] [stdout]   21:     0x5c060d338867 - timeln[47750734e21f3f41]::plot::tests::test_plot_deltas::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/plot.rs:94:30
[INFO] [stdout]   22:     0x5c060d3260a6 - <timeln[47750734e21f3f41]::plot::tests::test_plot_deltas::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c060d341cdb - <fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c060d341cdb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:701:18
[INFO] [stdout]   25:     0x5c060d34eeb5 - test[aada8e7e76ba119b]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:724:74
[INFO] [stdout]   26:     0x5c060d34eeb5 - <core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5c060d34eeb5 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}>, core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stdout]   28:     0x5c060d34eeb5 - std[617be2ca0a6fd877]::panicking::catch_unwind::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stdout]   29:     0x5c060d34eeb5 - std[617be2ca0a6fd877]::panic::catch_unwind::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<test[aada8e7e76ba119b]::run_test_in_process::{closure#0}>, core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c060d34eeb5 - test[aada8e7e76ba119b]::run_test_in_process
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:724:27
[INFO] [stdout]   31:     0x5c060d34eeb5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:645:43
[INFO] [stdout]   32:     0x5c060d3487a4 - test[aada8e7e76ba119b]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/test/src/lib.rs:675:41
[INFO] [stdout]   33:     0x5c060d3487a4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5c060d351f42 - std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x5c060d351f42 - <core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5c060d351f42 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stdout]   37:     0x5c060d351f42 - std[617be2ca0a6fd877]::panicking::catch_unwind::<(), core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stdout]   38:     0x5c060d351f42 - std[617be2ca0a6fd877]::panic::catch_unwind::<core[a373ad73a504971]::panic::unwind_safe::AssertUnwindSafe<std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c060d351f42 - std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x5c060d351f42 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c060d5b2c5f - <alloc[2e1b2a31b91974c5]::boxed::Box<dyn core[a373ad73a504971]::ops::function::FnOnce<(), Output = ()> + core[a373ad73a504971]::marker::Send> as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/boxed.rs:2314:9
[INFO] [stdout]   42:     0x5c060d5b2c5f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7fee3c50fdfa - <unknown>
[INFO] [stdout]   44:     0x7fee3c5a33d4 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     plot::tests::test_plot_deltas
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin timeln`
[INFO] running `Command { std: "docker" "inspect" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3", kill_on_drop: false }`
[INFO] [stdout] c3f84a770ff5718cd45eb0b51d3caf0cccbba707015f3ff534dc6ef307337ea3
