[INFO] fetching crate pipitor 0.3.0-alpha.7...
[INFO] checking pipitor-0.3.0-alpha.7 against try#40b20bc1bf55bfe3b99c09c905e596d3e650663c for pr-73084-1
[INFO] extracting crate pipitor 0.3.0-alpha.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pipitor 0.3.0-alpha.7 on toolchain 40b20bc1bf55bfe3b99c09c905e596d3e650663c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipitor 0.3.0-alpha.7
[INFO] finished tweaking crates.io crate pipitor 0.3.0-alpha.7
[INFO] tweaked toml for crates.io crate pipitor 0.3.0-alpha.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pipitor 0.3.0-alpha.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce141c4af4a1d940ccdfbe23b4c6b3836d61da40797ff1ef817831ff32cce638
[INFO] running `Command { std: "docker" "start" "-a" "ce141c4af4a1d940ccdfbe23b4c6b3836d61da40797ff1ef817831ff32cce638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce141c4af4a1d940ccdfbe23b4c6b3836d61da40797ff1ef817831ff32cce638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce141c4af4a1d940ccdfbe23b4c6b3836d61da40797ff1ef817831ff32cce638", kill_on_drop: false }`
[INFO] [stdout] ce141c4af4a1d940ccdfbe23b4c6b3836d61da40797ff1ef817831ff32cce638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c45bb2ec3c7de97e87d5f7258f44195bca7ec45ec19cefcb50b2972c1d4739a4
[INFO] running `Command { std: "docker" "start" "-a" "c45bb2ec3c7de97e87d5f7258f44195bca7ec45ec19cefcb50b2972c1d4739a4", kill_on_drop: false }`
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[INFO] [stdout] error[E0277]: `std::option::Option<usize>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<usize>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<usize>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<usize>`
[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]: `std::option::Option<usize>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<usize>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<usize>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<usize>`
[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]: `std::option::Option<u64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<u64>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<u64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<u64>`
[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]: `std::option::Option<u64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<u64>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<u64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<u64>`
[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]: `std::option::Option<usize>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<usize>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<usize>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<usize>`
[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]: `std::option::Option<usize>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<usize>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<usize>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<usize>`
[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]: `std::option::Option<bool>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<bool>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<bool>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<bool>`
[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]: `std::option::Option<i64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<i64>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<i64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<i64>`
[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]: `std::option::Option<bool>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<bool>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<bool>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<bool>`
[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]: `std::option::Option<twitter::api::lists::TweetMode>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<twitter::api::lists::TweetMode>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<twitter::api::lists::TweetMode>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<twitter::api::lists::TweetMode>`
[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]: `std::option::Option<i64>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<i64>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<i64>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<i64>`
[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]: `std::option::Option<twitter::api::lists::TweetMode>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/twitter/api.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |           #[derive(oauth1::Authorize)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ `std::option::Option<twitter::api::lists::TweetMode>` cannot be formatted with the default formatter
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/twitter/api/lists.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / api_requests! {
[INFO] [stdout] 15 | |     GET "https://api.twitter.com/1.1/lists/members.json" => ListsMembers;
[INFO] [stdout] 16 | |     pub struct Members {
[INFO] [stdout] 17 | |         list_id: NonZeroU64;
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::option::Option<twitter::api::lists::TweetMode>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Display` for `&std::option::Option<twitter::api::lists::TweetMode>`
[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 6 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 `pipitor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c45bb2ec3c7de97e87d5f7258f44195bca7ec45ec19cefcb50b2972c1d4739a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45bb2ec3c7de97e87d5f7258f44195bca7ec45ec19cefcb50b2972c1d4739a4", kill_on_drop: false }`
[INFO] [stdout] c45bb2ec3c7de97e87d5f7258f44195bca7ec45ec19cefcb50b2972c1d4739a4