[INFO] fetching crate irclap 0.1.0...
[INFO] extracting crate irclap 0.1.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/irclap/0.1.0
[INFO] extracting crate irclap 0.1.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/irclap/0.1.0
[INFO] validating manifest of irclap-0.1.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of irclap-0.1.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing irclap-0.1.0
[INFO] finished frobbing irclap-0.1.0
[INFO] frobbed toml for irclap-0.1.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/irclap/0.1.0/Cargo.toml
[INFO] started frobbing irclap-0.1.0
[INFO] finished frobbing irclap-0.1.0
[INFO] frobbed toml for irclap-0.1.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/irclap/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking irclap-0.1.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/irclap/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c3d4f227f74cfc420964620752b129ecce29ab1dc7e1a34d9c565fbc8284ab7f
[INFO] running `"docker" "start" "-a" "c3d4f227f74cfc420964620752b129ecce29ab1dc7e1a34d9c565fbc8284ab7f"`
[INFO] [stderr]     Checking tokio-mockstream v1.1.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking irc v0.13.6
[INFO] [stderr]     Checking irclap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:86
[INFO] [stderr]    |
[INFO] [stderr] 91 | impl<F> IrclapCommandProcessor for F where F: for<'af> Fn(clap::ArgMatches<'af>, Box<IrclapResponseStream + 'af>) {
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IrclapResponseStream + 'af`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:45
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let rstream = Box::new(resp) as Box<IrclapResponseStream + 'a>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IrclapResponseStream + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:86
[INFO] [stderr]    |
[INFO] [stderr] 91 | impl<F> IrclapCommandProcessor for F where F: for<'af> Fn(clap::ArgMatches<'af>, Box<IrclapResponseStream + 'af>) {
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IrclapResponseStream + 'af`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:45
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let rstream = Box::new(resp) as Box<IrclapResponseStream + 'a>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IrclapResponseStream + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(conservative_impl_trait)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(conservative_impl_trait)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/echo.rs:19:67
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn echo_matches<'a>(matches: clap::ArgMatches<'a>, responder: Box<irclap::IrclapResponseStream + 'a>) {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn irclap::IrclapResponseStream + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/echo.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     responder.send_message(&message);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `"docker" "inspect" "c3d4f227f74cfc420964620752b129ecce29ab1dc7e1a34d9c565fbc8284ab7f"`
[INFO] running `"docker" "rm" "-f" "c3d4f227f74cfc420964620752b129ecce29ab1dc7e1a34d9c565fbc8284ab7f"`
[INFO] [stdout] c3d4f227f74cfc420964620752b129ecce29ab1dc7e1a34d9c565fbc8284ab7f