[INFO] fetching crate comfy-color-backtrace 0.6.0...
[INFO] checking comfy-color-backtrace-0.6.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate comfy-color-backtrace 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate comfy-color-backtrace 0.6.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comfy-color-backtrace 0.6.0
[INFO] finished tweaking crates.io crate comfy-color-backtrace 0.6.0
[INFO] tweaked toml for crates.io crate comfy-color-backtrace 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate comfy-color-backtrace 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded libc v0.2.145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f76ca1c92c1426d6394d8f2edb80f747b76caf184a1fd1bcf3efb8da5bb2dce
[INFO] running `Command { std: "docker" "start" "-a" "0f76ca1c92c1426d6394d8f2edb80f747b76caf184a1fd1bcf3efb8da5bb2dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f76ca1c92c1426d6394d8f2edb80f747b76caf184a1fd1bcf3efb8da5bb2dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f76ca1c92c1426d6394d8f2edb80f747b76caf184a1fd1bcf3efb8da5bb2dce", kill_on_drop: false }`
[INFO] [stdout] 0f76ca1c92c1426d6394d8f2edb80f747b76caf184a1fd1bcf3efb8da5bb2dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79108c4965107dec12795e37073f1ce6ad0bde7feaf54594388d48f62253b310
[INFO] running `Command { std: "docker" "start" "-a" "79108c4965107dec12795e37073f1ce6ad0bde7feaf54594388d48f62253b310", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking comfy-color-backtrace v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]   --> examples/force_color.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use color_backtrace::{termcolor::StandardStream, BacktracePrinter};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `color_backtrace`
[INFO] [stdout]   --> examples/force_color.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use color_backtrace::{termcolor::StandardStream, BacktracePrinter};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]   --> examples/panic_macro.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     color_backtrace::install();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `color_backtrace`
[INFO] [stdout]  --> examples/custom_message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use color_backtrace::{default_output_stream, BacktracePrinter};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "panic_macro") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "force_color") due to 3 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]  --> examples/assert_failed.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color_backtrace::install();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "assert_failed") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]   --> examples/unwrap_result.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     color_backtrace::install();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "custom_message") due to 2 previous errors
[INFO] [stdout] error[E0432]: unresolved import `color_backtrace`
[INFO] [stdout]  --> examples/fmt_to_string.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use color_backtrace::BacktracePrinter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "unwrap_result") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "fmt_to_string") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "79108c4965107dec12795e37073f1ce6ad0bde7feaf54594388d48f62253b310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79108c4965107dec12795e37073f1ce6ad0bde7feaf54594388d48f62253b310", kill_on_drop: false }`
[INFO] [stdout] 79108c4965107dec12795e37073f1ce6ad0bde7feaf54594388d48f62253b310
[INFO] checking comfy-color-backtrace-0.6.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate comfy-color-backtrace 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate comfy-color-backtrace 0.6.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comfy-color-backtrace 0.6.0
[INFO] finished tweaking crates.io crate comfy-color-backtrace 0.6.0
[INFO] tweaked toml for crates.io crate comfy-color-backtrace 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate comfy-color-backtrace 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d9c42723b684f0ed3267933a903689635af290171c932107b0cac197975d3ba
[INFO] running `Command { std: "docker" "start" "-a" "8d9c42723b684f0ed3267933a903689635af290171c932107b0cac197975d3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d9c42723b684f0ed3267933a903689635af290171c932107b0cac197975d3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9c42723b684f0ed3267933a903689635af290171c932107b0cac197975d3ba", kill_on_drop: false }`
[INFO] [stdout] 8d9c42723b684f0ed3267933a903689635af290171c932107b0cac197975d3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 6bce41256e0ff9a0eff7919b40f9fd89904f911247155fe23eaf59ad5dfbcf62
[INFO] running `Command { std: "docker" "start" "-a" "6bce41256e0ff9a0eff7919b40f9fd89904f911247155fe23eaf59ad5dfbcf62", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking comfy-color-backtrace v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]   --> examples/force_color.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use color_backtrace::{termcolor::StandardStream, BacktracePrinter};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `color_backtrace`
[INFO] [stdout]   --> examples/force_color.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use color_backtrace::{termcolor::StandardStream, BacktracePrinter};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "force_color") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `color_backtrace`
[INFO] [stdout]  --> examples/custom_message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use color_backtrace::{default_output_stream, BacktracePrinter};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "custom_message") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]  --> examples/assert_failed.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color_backtrace::install();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `color_backtrace`
[INFO] [stdout]  --> examples/fmt_to_string.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use color_backtrace::BacktracePrinter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "assert_failed") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "fmt_to_string") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]   --> examples/unwrap_result.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     color_backtrace::install();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `color_backtrace`
[INFO] [stdout]   --> examples/panic_macro.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     color_backtrace::install();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `color_backtrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "unwrap_result") due to 2 previous errors
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "panic_macro") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6bce41256e0ff9a0eff7919b40f9fd89904f911247155fe23eaf59ad5dfbcf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bce41256e0ff9a0eff7919b40f9fd89904f911247155fe23eaf59ad5dfbcf62", kill_on_drop: false }`
[INFO] [stdout] 6bce41256e0ff9a0eff7919b40f9fd89904f911247155fe23eaf59ad5dfbcf62
