[INFO] fetching crate comfy-color-backtrace 0.6.0...
[INFO] checking comfy-color-backtrace-0.6.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate comfy-color-backtrace 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate comfy-color-backtrace 0.6.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "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-7-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d138609718a967e6add65868e872d3fce12f7900b5225d67aac90ce032fe7246
[INFO] running `Command { std: "docker" "start" "-a" "d138609718a967e6add65868e872d3fce12f7900b5225d67aac90ce032fe7246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d138609718a967e6add65868e872d3fce12f7900b5225d67aac90ce032fe7246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d138609718a967e6add65868e872d3fce12f7900b5225d67aac90ce032fe7246", kill_on_drop: false }`
[INFO] [stdout] d138609718a967e6add65868e872d3fce12f7900b5225d67aac90ce032fe7246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf7ecf40a0de025931b55ed30a11db54bbf4ce666625010d55dfadb29799eb06
[INFO] running `Command { std: "docker" "start" "-a" "bf7ecf40a0de025931b55ed30a11db54bbf4ce666625010d55dfadb29799eb06", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[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[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[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] [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 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 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] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "fmt_to_string") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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[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] [stderr] error: could not compile `comfy-color-backtrace` (example "force_color") due to 3 previous errors
[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/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] [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] [stderr] error: could not compile `comfy-color-backtrace` (example "assert_failed") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bf7ecf40a0de025931b55ed30a11db54bbf4ce666625010d55dfadb29799eb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7ecf40a0de025931b55ed30a11db54bbf4ce666625010d55dfadb29799eb06", kill_on_drop: false }`
[INFO] [stdout] bf7ecf40a0de025931b55ed30a11db54bbf4ce666625010d55dfadb29799eb06
[INFO] checking comfy-color-backtrace-0.6.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate comfy-color-backtrace 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate comfy-color-backtrace 0.6.0 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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-7-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dc96e4a13d2bae4a8cfb6ddb0d6a1ef2c0170a174727092b7afb2b22c059635
[INFO] running `Command { std: "docker" "start" "-a" "7dc96e4a13d2bae4a8cfb6ddb0d6a1ef2c0170a174727092b7afb2b22c059635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dc96e4a13d2bae4a8cfb6ddb0d6a1ef2c0170a174727092b7afb2b22c059635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc96e4a13d2bae4a8cfb6ddb0d6a1ef2c0170a174727092b7afb2b22c059635", kill_on_drop: false }`
[INFO] [stdout] 7dc96e4a13d2bae4a8cfb6ddb0d6a1ef2c0170a174727092b7afb2b22c059635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39dda85c7cb2e71bb5b22c8f25b4db6fa37c47b601042f43adc89ca3afab94c
[INFO] running `Command { std: "docker" "start" "-a" "d39dda85c7cb2e71bb5b22c8f25b4db6fa37c47b601042f43adc89ca3afab94c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking object v0.30.3
[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[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[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] [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] For more information about this error, try `rustc --explain E0432`.
[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] 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 "force_color") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "fmt_to_string") due to 2 previous errors
[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/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/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[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] [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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "panic_macro") due to 2 previous errors
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "assert_failed") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d39dda85c7cb2e71bb5b22c8f25b4db6fa37c47b601042f43adc89ca3afab94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39dda85c7cb2e71bb5b22c8f25b4db6fa37c47b601042f43adc89ca3afab94c", kill_on_drop: false }`
[INFO] [stdout] d39dda85c7cb2e71bb5b22c8f25b4db6fa37c47b601042f43adc89ca3afab94c
