[INFO] fetching crate timeln 0.1.4...
[INFO] testing timeln-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate timeln 0.1.4 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate timeln 0.1.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.19
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2
[INFO] running `Command { std: "docker" "start" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2", 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" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2", 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" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", 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
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[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.15
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[INFO] [stderr]    Compiling cc v1.0.79
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cmake v0.1.50
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[INFO] [stderr]    Compiling ansi_term v0.12.1
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[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
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[INFO] [stderr]    Compiling regex v1.8.4
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[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 `release` profile [optimized] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2", 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" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", 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 `release` profile [optimized] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2", 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" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", 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 `release` profile [optimized] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/timeln-ddbd6b7cc9a97f38)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test annotator::tests::test_unicode_annotator ... 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 formatter::tests::test_milliseconds_format ... ok
[INFO] [stdout] test formatter::tests::test_minutes_seconds_format ... ok
[INFO] [stdout] test formatter::tests::test_seconds_format ... ok
[INFO] [stdout] test reader::tests::test_test_read_line ... ok
[INFO] [stdout] test annotator::tests::test_simple_annotation ... ok
[INFO] [stdout] test summarizer::tests::test_simple_summarizer ... ok
[INFO] [stdout] test timeln::tests::test_run ... ok
[INFO] [stdout] test timeln::tests::test_send_duration ... ok
[INFO] [stdout] test timeln::tests::test_timeln_context_new ... ok
[INFO] [stdout] test summarizer::tests::test_detailed_summarizer ... ok
[INFO] [stdout] test timeln::tests::test_receive_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' (1596) panicked at src/plot.rs:100:9:
[INFO] [stdout] assertion failed: Path::new(filename).exists()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59a77ad35581 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x59a77ad4be7a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x59a77ad39bfc - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x59a77ad11786 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x59a77ad2db59 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x59a77ac2a7a0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x59a77ad2dd12 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x59a77ad11864 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x59a77ad0a459 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x59a77ad124ad - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x59a77ad4c65c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x59a77ad4c622 - core[df12db4294e9bfd3]::panicking::panic
[INFO] [stdout]   12:     0x59a77ac19b7f - timeln[570e33f2ba8df3dd]::plot::tests::test_plot_deltas
[INFO] [stdout]   13:     0x59a77ac1839d - <timeln[570e33f2ba8df3dd]::plot::tests::test_plot_deltas::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x59a77ac1da8b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x59a77ac2b0f5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x59a77ac249b4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x59a77ac2e252 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x59a77ad34e59 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x72f10b8f7dfa - <unknown>
[INFO] [stdout]   20:     0x72f10b98b3d4 - clone
[INFO] [stdout]   21:                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 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin timeln`
[INFO] running `Command { std: "docker" "inspect" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2", kill_on_drop: false }`
[INFO] [stdout] 2bebb0718e3c3f5bad94204ad6da0237ffd9a2b119deb82dfc4a347076172bd2
