[INFO] cloning repository https://github.com/Dragonrun1/morse_code
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dragonrun1/morse_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonrun1%2Fmorse_code"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonrun1%2Fmorse_code'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef76838ee357535f8b6d17e74c224946e31ad590
[INFO] checking Dragonrun1/morse_code against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonrun1%2Fmorse_code" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dragonrun1/morse_code on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dragonrun1/morse_code
[INFO] finished tweaking git repo https://github.com/Dragonrun1/morse_code
[INFO] tweaked toml for git repo https://github.com/Dragonrun1/morse_code written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Dragonrun1/morse_code already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64a99f75429740952f12967c81b95b142e38210cec888bfd9ed3d12531381ea2
[INFO] running `"docker" "start" "-a" "64a99f75429740952f12967c81b95b142e38210cec888bfd9ed3d12531381ea2"`
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking morse_code v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: `(dyn std::io::Read + 'static)` doesn't implement `std::fmt::Debug`
[INFO] [stderr]   --> src/lib.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     read: Box<dyn io::Read>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ `(dyn std::io::Read + 'static)` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Debug` is not implemented for `(dyn std::io::Read + 'static)`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stderr]    = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `(dyn std::io::Write + 'static)` doesn't implement `std::fmt::Debug`
[INFO] [stderr]   --> src/lib.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     write: Box<dyn io::Write>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn std::io::Write + 'static)` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Debug` is not implemented for `(dyn std::io::Write + 'static)`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::boxed::Box<(dyn std::io::Write + 'static)>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&std::boxed::Box<(dyn std::io::Write + 'static)>`
[INFO] [stderr]    = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `morse_code`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: `(dyn std::io::Read + 'static)` doesn't implement `std::fmt::Debug`
[INFO] [stderr]   --> src/lib.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     read: Box<dyn io::Read>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ `(dyn std::io::Read + 'static)` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Debug` is not implemented for `(dyn std::io::Read + 'static)`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stderr]    = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `(dyn std::io::Write + 'static)` doesn't implement `std::fmt::Debug`
[INFO] [stderr]   --> src/lib.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     write: Box<dyn io::Write>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn std::io::Write + 'static)` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Debug` is not implemented for `(dyn std::io::Write + 'static)`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::boxed::Box<(dyn std::io::Write + 'static)>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&std::boxed::Box<(dyn std::io::Write + 'static)>`
[INFO] [stderr]    = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `morse_code`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "64a99f75429740952f12967c81b95b142e38210cec888bfd9ed3d12531381ea2"`
[INFO] running `"docker" "rm" "-f" "64a99f75429740952f12967c81b95b142e38210cec888bfd9ed3d12531381ea2"`
[INFO] [stdout] 64a99f75429740952f12967c81b95b142e38210cec888bfd9ed3d12531381ea2