[INFO] updating cached repository https://github.com/Dragonrun1/morse_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef76838ee357535f8b6d17e74c224946e31ad590
[INFO] testing Dragonrun1/morse_code against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragonrun1%2Fmorse_code" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dragonrun1/morse_code on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Dragonrun1/morse_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51b87c484b373694214fead3f831bccb8a96a775a588673f70e540c9950ead6e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51b87c484b373694214fead3f831bccb8a96a775a588673f70e540c9950ead6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51b87c484b373694214fead3f831bccb8a96a775a588673f70e540c9950ead6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b87c484b373694214fead3f831bccb8a96a775a588673f70e540c9950ead6e", kill_on_drop: false }`
[INFO] [stdout] 51b87c484b373694214fead3f831bccb8a96a775a588673f70e540c9950ead6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62948d24e8a197d9b07b700787ed010f292fa921d31098f7d80f4a751c208953
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62948d24e8a197d9b07b700787ed010f292fa921d31098f7d80f4a751c208953", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling morse_code v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `(dyn std::io::Read + 'static)` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/lib.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     read: Box<dyn io::Read>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ `(dyn std::io::Read + 'static)` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `(dyn std::io::Read + 'static)`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&std::boxed::Box<(dyn std::io::Read + 'static)>`
[INFO] [stdout]    = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `(dyn std::io::Write + 'static)` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     write: Box<dyn io::Write>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn std::io::Write + 'static)` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `(dyn std::io::Write + 'static)`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `std::boxed::Box<(dyn std::io::Write + 'static)>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&std::boxed::Box<(dyn std::io::Write + 'static)>`
[INFO] [stdout]    = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `morse_code`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "62948d24e8a197d9b07b700787ed010f292fa921d31098f7d80f4a751c208953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62948d24e8a197d9b07b700787ed010f292fa921d31098f7d80f4a751c208953", kill_on_drop: false }`
[INFO] [stdout] 62948d24e8a197d9b07b700787ed010f292fa921d31098f7d80f4a751c208953