[INFO] cloning repository https://github.com/willothy/fly-systems-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willothy/fly-systems-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillothy%2Ffly-systems-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillothy%2Ffly-systems-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ce99b52118a74c7c7f5decdc7433695931b210e
[INFO] checking willothy/fly-systems-challenge against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillothy%2Ffly-systems-challenge" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/willothy/fly-systems-challenge
[INFO] finished tweaking git repo https://github.com/willothy/fly-systems-challenge
[INFO] tweaked toml for git repo https://github.com/willothy/fly-systems-challenge written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/willothy/fly-systems-challenge on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/willothy/fly-systems-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d936a8491e30ce59f234c9c7eec6b8bbfb9efd339529304d3b4b0450dcd872c
[INFO] running `Command { std: "docker" "start" "-a" "0d936a8491e30ce59f234c9c7eec6b8bbfb9efd339529304d3b4b0450dcd872c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d936a8491e30ce59f234c9c7eec6b8bbfb9efd339529304d3b4b0450dcd872c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d936a8491e30ce59f234c9c7eec6b8bbfb9efd339529304d3b4b0450dcd872c", kill_on_drop: false }`
[INFO] [stdout] 0d936a8491e30ce59f234c9c7eec6b8bbfb9efd339529304d3b4b0450dcd872c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b05638d64620fa5c88954293c570172dfb65941b6955741131ea74e354d8cb
[INFO] running `Command { std: "docker" "start" "-a" "b2b05638d64620fa5c88954293c570172dfb65941b6955741131ea74e354d8cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking hashbag v0.1.12
[INFO] [stderr]     Checking left-right v0.11.5
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking evmap v10.0.2
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `ValuesIter<'a, T, S>: ExactSizeIterator`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evmap-10.0.2/src/values.rs:137:38
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<'a, T, S> ExactSizeIterator for ValuesIter<'a, T, S>
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `ValuesIter<'a, T, S>: ExactSizeIterator` found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evmap-10.0.2/src/values.rs:137:1
[INFO] [stdout]     |
[INFO] [stdout] 137 | / impl<'a, T, S> ExactSizeIterator for ValuesIter<'a, T, S>
[INFO] [stdout] 138 | | where
[INFO] [stdout] 139 | |     <&'a smallvec::SmallVec<[T; 1]> as IntoIterator>::IntoIter: ExactSizeIterator,
[INFO] [stdout]     | |                                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 140 | |     <&'a hashbag::HashBag<T, S> as IntoIterator>::IntoIter: ExactSizeIterator,
[INFO] [stdout]     | |_____________________________________________________________^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed: cannot satisfy `ValuesIter<'a, T, S>: FusedIterator`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evmap-10.0.2/src/values.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<'a, T, S> std::iter::FusedIterator for ValuesIter<'a, T, S>
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s or `where` clauses satisfying `ValuesIter<'a, T, S>: FusedIterator` found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/evmap-10.0.2/src/values.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | / impl<'a, T, S> std::iter::FusedIterator for ValuesIter<'a, T, S>
[INFO] [stdout] 145 | | where
[INFO] [stdout] 146 | |     <&'a smallvec::SmallVec<[T; 1]> as IntoIterator>::IntoIter: std::iter::FusedIterator,
[INFO] [stdout]     | |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 147 | |     <&'a hashbag::HashBag<T, S> as IntoIterator>::IntoIter: std::iter::FusedIterator,
[INFO] [stdout]     | |_____________________________________________________________^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `evmap` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b2b05638d64620fa5c88954293c570172dfb65941b6955741131ea74e354d8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b05638d64620fa5c88954293c570172dfb65941b6955741131ea74e354d8cb", kill_on_drop: false }`
[INFO] [stdout] b2b05638d64620fa5c88954293c570172dfb65941b6955741131ea74e354d8cb
