[INFO] updating cached repository https://github.com/edwin0cheng/stdweb-performance-test
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 399f6de727013211b69b004a40432775bf596757
[INFO] checking edwin0cheng/stdweb-performance-test against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwin0cheng%2Fstdweb-performance-test" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwin0cheng/stdweb-performance-test on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/edwin0cheng/stdweb-performance-test
[INFO] finished tweaking git repo https://github.com/edwin0cheng/stdweb-performance-test
[INFO] tweaked toml for git repo https://github.com/edwin0cheng/stdweb-performance-test written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/edwin0cheng/stdweb-performance-test already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] f7c952ed28bcf932c5eb9fabdc1ca66f12d51ee36d2af32d9f72dd896325f490
[INFO] running `"docker" "start" "-a" "f7c952ed28bcf932c5eb9fabdc1ca66f12d51ee36d2af32d9f72dd896325f490"`
[INFO] [stderr]    Compiling stdweb v0.3.0 (https://github.com/koute/stdweb.git#ea1cd903)
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr] error[E0271]: type mismatch resolving `<webcore::number::Number as std::convert::TryFrom<i64>>::Error == webcore::number::ConversionError`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/webcore/value.rs:596:46
[INFO] [stderr]     |
[INFO] [stderr] 596 |                     Ok( Value::Number( value.try_into()? ) )
[INFO] [stderr]     |                                              ^^^^^^^^ expected `!`, found enum `webcore::number::ConversionError`
[INFO] [stderr] ...
[INFO] [stderr] 603 | impl_try_from_number!( i64 u64 usize );
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `!`
[INFO] [stderr]                found enum `webcore::number::ConversionError`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::number::Number: std::convert::From<i64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/webcore/value.rs:596:40
[INFO] [stderr]     |
[INFO] [stderr] 596 |                     Ok( Value::Number( value.try_into()? ) )
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ the trait `std::convert::From<i64>` is not implemented for `webcore::number::Number`
[INFO] [stderr] ...
[INFO] [stderr] 603 | impl_try_from_number!( i64 u64 usize );
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f32>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f64>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i16>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i32>>
[INFO] [stderr]             and 4 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::number::Number>` for `i64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<i64>` for `webcore::number::Number`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::number::Number>` for `i64`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<webcore::number::Number as std::convert::TryFrom<u64>>::Error == webcore::number::ConversionError`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/webcore/value.rs:596:46
[INFO] [stderr]     |
[INFO] [stderr] 596 |                     Ok( Value::Number( value.try_into()? ) )
[INFO] [stderr]     |                                              ^^^^^^^^ expected `!`, found enum `webcore::number::ConversionError`
[INFO] [stderr] ...
[INFO] [stderr] 603 | impl_try_from_number!( i64 u64 usize );
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `!`
[INFO] [stderr]                found enum `webcore::number::ConversionError`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::number::Number: std::convert::From<u64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/webcore/value.rs:596:40
[INFO] [stderr]     |
[INFO] [stderr] 596 |                     Ok( Value::Number( value.try_into()? ) )
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ the trait `std::convert::From<u64>` is not implemented for `webcore::number::Number`
[INFO] [stderr] ...
[INFO] [stderr] 603 | impl_try_from_number!( i64 u64 usize );
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f32>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f64>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i16>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i32>>
[INFO] [stderr]             and 4 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::number::Number>` for `u64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<u64>` for `webcore::number::Number`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::number::Number>` for `u64`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<webcore::number::Number as std::convert::TryFrom<usize>>::Error == webcore::number::ConversionError`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/webcore/value.rs:596:46
[INFO] [stderr]     |
[INFO] [stderr] 596 |                     Ok( Value::Number( value.try_into()? ) )
[INFO] [stderr]     |                                              ^^^^^^^^ expected `!`, found enum `webcore::number::ConversionError`
[INFO] [stderr] ...
[INFO] [stderr] 603 | impl_try_from_number!( i64 u64 usize );
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `!`
[INFO] [stderr]                found enum `webcore::number::ConversionError`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::number::Number: std::convert::From<usize>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/webcore/value.rs:596:40
[INFO] [stderr]     |
[INFO] [stderr] 596 |                     Ok( Value::Number( value.try_into()? ) )
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^ the trait `std::convert::From<usize>` is not implemented for `webcore::number::Number`
[INFO] [stderr] ...
[INFO] [stderr] 603 | impl_try_from_number!( i64 u64 usize );
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f32>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f64>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i16>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i32>>
[INFO] [stderr]             and 4 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::number::Number>` for `usize`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<usize>` for `webcore::number::Number`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::number::Number>` for `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::value::Value: std::convert::From<usize>` is not satisfied
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/webapi/array_buffer.rs:16:36
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let length: Value = length.try_into().unwrap();
[INFO] [stderr]    |                                    ^^^^^^^^ the trait `std::convert::From<usize>` is not implemented for `webcore::value::Value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <webcore::value::Value as std::convert::From<&'a [T]>>
[INFO] [stderr]              <webcore::value::Value as std::convert::From<&'a bool>>
[INFO] [stderr]              <webcore::value::Value as std::convert::From<&'a char>>
[INFO] [stderr]              <webcore::value::Value as std::convert::From<&'a f32>>
[INFO] [stderr]            and 51 others
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<webcore::value::Value>` for `usize`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::TryFrom<usize>` for `webcore::value::Value`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::value::Value>` for `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::number::Number: std::convert::From<i64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:117:23
[INFO] [stderr]     |
[INFO] [stderr] 117 |                 value.try_into().map_err( E::custom )
[INFO] [stderr]     |                       ^^^^^^^^ the trait `std::convert::From<i64>` is not implemented for `webcore::number::Number`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f32>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f64>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i16>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i32>>
[INFO] [stderr]             and 4 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::number::Number>` for `i64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<i64>` for `webcore::number::Number`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::number::Number>` for `i64`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::number::Number: std::convert::From<u64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 value.try_into().map_err( E::custom )
[INFO] [stderr]     |                       ^^^^^^^^ the trait `std::convert::From<u64>` is not implemented for `webcore::number::Number`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f32>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<f64>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i16>>
[INFO] [stderr]               <webcore::number::Number as std::convert::From<i32>>
[INFO] [stderr]             and 4 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::number::Number>` for `u64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<u64>` for `webcore::number::Number`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::number::Number>` for `u64`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::value::Value: std::convert::From<i64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:209:23
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 value.try_into().map_err( E::custom )
[INFO] [stderr]     |                       ^^^^^^^^ the trait `std::convert::From<i64>` is not implemented for `webcore::value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a [T]>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a bool>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a char>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a f32>>
[INFO] [stderr]             and 51 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::value::Value>` for `i64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<i64>` for `webcore::value::Value`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::value::Value>` for `i64`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::value::Value: std::convert::From<u64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:225:23
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 value.try_into().map_err( E::custom )
[INFO] [stderr]     |                       ^^^^^^^^ the trait `std::convert::From<u64>` is not implemented for `webcore::value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a [T]>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a bool>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a char>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a f32>>
[INFO] [stderr]             and 51 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::value::Value>` for `u64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<u64>` for `webcore::value::Value`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::value::Value>` for `u64`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `?` couldn't convert the error to `ecosystem::serde::ConversionError`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:412:29
[INFO] [stderr]     |
[INFO] [stderr] 412 |         Ok( value.try_into()? )
[INFO] [stderr]     |                             ^ the trait `std::convert::From<!>` is not implemented for `ecosystem::serde::ConversionError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <ecosystem::serde::ConversionError as std::convert::From<webcore::number::ConversionError>>
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::value::Value: std::convert::From<i64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:412:13
[INFO] [stderr]     |
[INFO] [stderr] 412 |         Ok( value.try_into()? )
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ the trait `std::convert::From<i64>` is not implemented for `webcore::value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a [T]>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a bool>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a char>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a f32>>
[INFO] [stderr]             and 51 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::value::Value>` for `i64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<i64>` for `webcore::value::Value`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::value::Value>` for `i64`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `?` couldn't convert the error to `ecosystem::serde::ConversionError`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:428:29
[INFO] [stderr]     |
[INFO] [stderr] 428 |         Ok( value.try_into()? )
[INFO] [stderr]     |                             ^ the trait `std::convert::From<!>` is not implemented for `ecosystem::serde::ConversionError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <ecosystem::serde::ConversionError as std::convert::From<webcore::number::ConversionError>>
[INFO] [stderr]     = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::value::Value: std::convert::From<u64>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde.rs:428:13
[INFO] [stderr]     |
[INFO] [stderr] 428 |         Ok( value.try_into()? )
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ the trait `std::convert::From<u64>` is not implemented for `webcore::value::Value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the following implementations were found:
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a [T]>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a bool>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a char>>
[INFO] [stderr]               <webcore::value::Value as std::convert::From<&'a f32>>
[INFO] [stderr]             and 51 others
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::Into<webcore::value::Value>` for `u64`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryFrom<u64>` for `webcore::value::Value`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::value::Value>` for `u64`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<webcore::number::Number as std::convert::TryFrom<u64>>::Error == webcore::number::ConversionError`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde_json.rs:17:42
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     Value::Number( value.try_into()? )
[INFO] [stderr]    |                                          ^^^^^^^^ expected `!`, found enum `webcore::number::ConversionError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `!`
[INFO] [stderr]               found enum `webcore::number::ConversionError`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::number::Number: std::convert::From<u64>` is not satisfied
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde_json.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     Value::Number( value.try_into()? )
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ the trait `std::convert::From<u64>` is not implemented for `webcore::number::Number`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <webcore::number::Number as std::convert::From<f32>>
[INFO] [stderr]              <webcore::number::Number as std::convert::From<f64>>
[INFO] [stderr]              <webcore::number::Number as std::convert::From<i16>>
[INFO] [stderr]              <webcore::number::Number as std::convert::From<i32>>
[INFO] [stderr]            and 4 others
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<webcore::number::Number>` for `u64`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::TryFrom<u64>` for `webcore::number::Number`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::number::Number>` for `u64`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<webcore::number::Number as std::convert::TryFrom<i64>>::Error == webcore::number::ConversionError`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde_json.rs:19:42
[INFO] [stderr]    |
[INFO] [stderr] 19 |                     Value::Number( value.try_into()? )
[INFO] [stderr]    |                                          ^^^^^^^^ expected `!`, found enum `webcore::number::ConversionError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `!`
[INFO] [stderr]               found enum `webcore::number::ConversionError`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `webcore::number::Number: std::convert::From<i64>` is not satisfied
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/stdweb-66ebc2cc69682dc2/ea1cd90/src/ecosystem/serde_json.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 |                     Value::Number( value.try_into()? )
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ the trait `std::convert::From<i64>` is not implemented for `webcore::number::Number`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <webcore::number::Number as std::convert::From<f32>>
[INFO] [stderr]              <webcore::number::Number as std::convert::From<f64>>
[INFO] [stderr]              <webcore::number::Number as std::convert::From<i16>>
[INFO] [stderr]              <webcore::number::Number as std::convert::From<i32>>
[INFO] [stderr]            and 4 others
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<webcore::number::Number>` for `i64`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::TryFrom<i64>` for `webcore::number::Number`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::TryInto<webcore::number::Number>` for `i64`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0271, E0277.
[INFO] [stderr] For more information about an error, try `rustc --explain E0271`.
[INFO] [stderr] error: could not compile `stdweb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f7c952ed28bcf932c5eb9fabdc1ca66f12d51ee36d2af32d9f72dd896325f490"`
[INFO] running `"docker" "rm" "-f" "f7c952ed28bcf932c5eb9fabdc1ca66f12d51ee36d2af32d9f72dd896325f490"`
[INFO] [stdout] f7c952ed28bcf932c5eb9fabdc1ca66f12d51ee36d2af32d9f72dd896325f490