[INFO] fetching crate chronometer 0.1.2...
[INFO] testing chronometer-0.1.2 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate chronometer 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate chronometer 0.1.2
[INFO] finished tweaking crates.io crate chronometer 0.1.2
[INFO] tweaked toml for crates.io crate chronometer 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chronometer 0.1.2 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ea2286228ba85cd8d0ab7027cf3d73da9b6549fce4ee5b459b958235da9896f
[INFO] running `Command { std: "docker" "start" "-a" "5ea2286228ba85cd8d0ab7027cf3d73da9b6549fce4ee5b459b958235da9896f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea2286228ba85cd8d0ab7027cf3d73da9b6549fce4ee5b459b958235da9896f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea2286228ba85cd8d0ab7027cf3d73da9b6549fce4ee5b459b958235da9896f", kill_on_drop: false }`
[INFO] [stdout] 5ea2286228ba85cd8d0ab7027cf3d73da9b6549fce4ee5b459b958235da9896f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e735576f3679dc74f963943cc9da1dbf2fc64d2732f020ba415a4cf34d582b1f
[INFO] running `Command { std: "docker" "start" "-a" "e735576f3679dc74f963943cc9da1dbf2fc64d2732f020ba415a4cf34d582b1f", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling chronometer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "e735576f3679dc74f963943cc9da1dbf2fc64d2732f020ba415a4cf34d582b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e735576f3679dc74f963943cc9da1dbf2fc64d2732f020ba415a4cf34d582b1f", kill_on_drop: false }`
[INFO] [stdout] e735576f3679dc74f963943cc9da1dbf2fc64d2732f020ba415a4cf34d582b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b4c42b1621b09d32dc7c6e1f0ccbe523c3bc04213e4b49a3172800d96ca2c6a
[INFO] running `Command { std: "docker" "start" "-a" "3b4c42b1621b09d32dc7c6e1f0ccbe523c3bc04213e4b49a3172800d96ca2c6a", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling chronometer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "3b4c42b1621b09d32dc7c6e1f0ccbe523c3bc04213e4b49a3172800d96ca2c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4c42b1621b09d32dc7c6e1f0ccbe523c3bc04213e4b49a3172800d96ca2c6a", kill_on_drop: false }`
[INFO] [stdout] 3b4c42b1621b09d32dc7c6e1f0ccbe523c3bc04213e4b49a3172800d96ca2c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c05a3f271b356bbfadc0d85add0f22ada7688f89321131959fd648461b263be
[INFO] running `Command { std: "docker" "start" "-a" "2c05a3f271b356bbfadc0d85add0f22ada7688f89321131959fd648461b263be", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chronometer-d0d5877e9d57545d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::create ... ok
[INFO] [stdout] test test::pause ... ok
[INFO] [stdout] test test::start ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chronometer
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Chronometer::start (line 45) ... FAILED
[INFO] [stdout] test src/lib.rs - Chronometer::duration (line 147) ... FAILED
[INFO] [stdout] test src/lib.rs - Chronometer::lap (line 93) ... FAILED
[INFO] [stdout] test src/lib.rs - Chronometer::reset (line 118) ... FAILED
[INFO] [stdout] test src/lib.rs - Chronometer::pause (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - Chronometer::new (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Chronometer::start (line 45) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]   --> src/lib.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | chrono.start();
[INFO] [stdout]    | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chronometer::duration (line 147) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]    --> src/lib.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | chrono.start();
[INFO] [stdout]     | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `time` in this scope
[INFO] [stdout]    --> src/lib.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 | let time = time::Duration::from_millis(100);
[INFO] [stdout]     |            ^^^^ use of unresolved module or unlinked crate `time`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `time`, use `cargo add time` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 147 + use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 150 - let time = time::Duration::from_millis(100);
[INFO] [stdout] 150 + let time = Duration::from_millis(100);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `thread` in this scope
[INFO] [stdout]    --> src/lib.rs:152:1
[INFO] [stdout]     |
[INFO] [stdout] 152 | thread::sleep(time);
[INFO] [stdout]     | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 147 + use std::thread;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]    --> src/lib.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 | println!("elapsed: {}", chrono.duration().as_millis());
[INFO] [stdout]     |                         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chronometer::lap (line 93) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]   --> src/lib.rs:94:1
[INFO] [stdout]    |
[INFO] [stdout] 94 | chrono.start();
[INFO] [stdout]    | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `time` in this scope
[INFO] [stdout]   --> src/lib.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 | let time = time::Duration::from_millis(100);
[INFO] [stdout]    |            ^^^^ use of unresolved module or unlinked crate `time`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `time`, use `cargo add time` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 93 + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 96 - let time = time::Duration::from_millis(100);
[INFO] [stdout] 96 + let time = Duration::from_millis(100);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `thread` in this scope
[INFO] [stdout]   --> src/lib.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | thread::sleep(time);
[INFO] [stdout]    | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 93 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]    --> src/lib.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | chrono.lap(); // chono.laps == [Duration<0.1s>, Duration<0.2s>]
[INFO] [stdout]     | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `thread` in this scope
[INFO] [stdout]    --> src/lib.rs:102:1
[INFO] [stdout]     |
[INFO] [stdout] 102 | thread::sleep(time);
[INFO] [stdout]     | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout]  93 + use std::thread;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]    --> src/lib.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | chrono.lap();
[INFO] [stdout]     | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chronometer::reset (line 118) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]    --> src/lib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | chrono.start();
[INFO] [stdout]     | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `time` in this scope
[INFO] [stdout]    --> src/lib.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | let time = time::Duration::from_millis(100);
[INFO] [stdout]     |            ^^^^ use of unresolved module or unlinked crate `time`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `time`, use `cargo add time` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 118 + use std::time::Duration;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 121 - let time = time::Duration::from_millis(100);
[INFO] [stdout] 121 + let time = Duration::from_millis(100);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `thread` in this scope
[INFO] [stdout]    --> src/lib.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | thread::sleep(time);
[INFO] [stdout]     | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 118 + use std::thread;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]    --> src/lib.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | chrono.lap(); // chono.laps == [Duration<0.1s>, Duration<0.2s>]
[INFO] [stdout]     | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]    --> src/lib.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | chrono.reset();
[INFO] [stdout]     | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Chronometer::pause (line 60) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]   --> src/lib.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | chrono.start();
[INFO] [stdout]    | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `time` in this scope
[INFO] [stdout]   --> src/lib.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | let time = time::Duration::from_millis(100);
[INFO] [stdout]    |            ^^^^ use of unresolved module or unlinked crate `time`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `time`, use `cargo add time` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 60 + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Duration`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 63 - let time = time::Duration::from_millis(100);
[INFO] [stdout] 63 + let time = Duration::from_millis(100);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `thread` in this scope
[INFO] [stdout]   --> src/lib.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | thread::sleep(time);
[INFO] [stdout]    | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 60 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]   --> src/lib.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | chrono.pause(); // chrono.duration == Duration<0.1s>
[INFO] [stdout]    | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `thread` in this scope
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | thread::sleep(time);
[INFO] [stdout]    | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 60 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `chrono` in this scope
[INFO] [stdout]   --> src/lib.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | chrono.start();
[INFO] [stdout]    | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `thread` in this scope
[INFO] [stdout]   --> src/lib.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | thread::sleep(time);
[INFO] [stdout]    | ^^^^^^ use of unresolved module or unlinked crate `thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `thread`, use `cargo add thread` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 60 + use std::thread;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Chronometer::duration (line 147)
[INFO] [stdout]     src/lib.rs - Chronometer::lap (line 93)
[INFO] [stdout]     src/lib.rs - Chronometer::pause (line 60)
[INFO] [stdout]     src/lib.rs - Chronometer::reset (line 118)
[INFO] [stdout]     src/lib.rs - Chronometer::start (line 45)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2c05a3f271b356bbfadc0d85add0f22ada7688f89321131959fd648461b263be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c05a3f271b356bbfadc0d85add0f22ada7688f89321131959fd648461b263be", kill_on_drop: false }`
[INFO] [stdout] 2c05a3f271b356bbfadc0d85add0f22ada7688f89321131959fd648461b263be
