[INFO] fetching crate comfy-color-backtrace 0.6.0...
[INFO] checking comfy-color-backtrace-0.6.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate comfy-color-backtrace 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate comfy-color-backtrace 0.6.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-3-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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 312cecf03c644ec440861350b8e56907324e8d62b1a40f39620a2ccca9c5ddd0
[INFO] running `Command { std: "docker" "start" "-a" "312cecf03c644ec440861350b8e56907324e8d62b1a40f39620a2ccca9c5ddd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "312cecf03c644ec440861350b8e56907324e8d62b1a40f39620a2ccca9c5ddd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312cecf03c644ec440861350b8e56907324e8d62b1a40f39620a2ccca9c5ddd0", kill_on_drop: false }`
[INFO] [stdout] 312cecf03c644ec440861350b8e56907324e8d62b1a40f39620a2ccca9c5ddd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e79eba68110b44a011fce7d9e59d983be9c9a673a47e036cb90a236b22918d
[INFO] running `Command { std: "docker" "start" "-a" "41e79eba68110b44a011fce7d9e59d983be9c9a673a47e036cb90a236b22918d", 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]     Checking termcolor v1.2.0
[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] [stderr] error: could not compile `comfy-color-backtrace` (example "fmt_to_string") due to 1 previous error
[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] 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/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] [stderr] error: could not compile `comfy-color-backtrace` (example "panic_macro") due to 1 previous error
[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] For more information about this error, try `rustc --explain E0432`.
[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] [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] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "unwrap_result") due to 1 previous error
[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 E0432`.
[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] [stderr] error: could not compile `comfy-color-backtrace` (example "custom_message") due to 1 previous error
[INFO] [stderr] error: could not compile `comfy-color-backtrace` (example "force_color") due to 2 previous errors
[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 1 previous error
[INFO] running `Command { std: "docker" "inspect" "41e79eba68110b44a011fce7d9e59d983be9c9a673a47e036cb90a236b22918d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e79eba68110b44a011fce7d9e59d983be9c9a673a47e036cb90a236b22918d", kill_on_drop: false }`
[INFO] [stdout] 41e79eba68110b44a011fce7d9e59d983be9c9a673a47e036cb90a236b22918d