[INFO] fetching crate fastxfix 1.0.0...
[INFO] checking fastxfix-1.0.0 against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] extracting crate fastxfix 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fastxfix 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fastxfix 1.0.0
[INFO] tweaked toml for crates.io crate fastxfix 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastxfix 1.0.0 on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fastxfix 1.0.0 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cc3730b3e3b32d1c0541cabaf16b1aa4f5468fb7d664e177e14c914e7cf0cb1
[INFO] running `Command { std: "docker" "start" "-a" "7cc3730b3e3b32d1c0541cabaf16b1aa4f5468fb7d664e177e14c914e7cf0cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cc3730b3e3b32d1c0541cabaf16b1aa4f5468fb7d664e177e14c914e7cf0cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc3730b3e3b32d1c0541cabaf16b1aa4f5468fb7d664e177e14c914e7cf0cb1", kill_on_drop: false }`
[INFO] [stdout] 7cc3730b3e3b32d1c0541cabaf16b1aa4f5468fb7d664e177e14c914e7cf0cb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dc63d9d89c1465f06464058700ce9826d28ed891c2af24fdb9eac8a8ad97e22
[INFO] running `Command { std: "docker" "start" "-a" "6dc63d9d89c1465f06464058700ce9826d28ed891c2af24fdb9eac8a8ad97e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking fastxfix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0311]: the parameter type `T` may not live long enough
[INFO] [stdout]    --> src/lib.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |   fn find_common<C: ?Sized, F, T, U>(collection: &C) -> Option<&U>
[INFO] [stdout]     |                                                  -- the parameter type `T` must be valid for the anonymous lifetime defined here...
[INFO] [stdout] ...
[INFO] [stdout] 186 | /             |previous, current| {
[INFO] [stdout] 187 | |                 let cur_ref = current.as_ref();
[INFO] [stdout] 188 | |                 match previous {
[INFO] [stdout] 189 | |                     Some(prev) => F::common(prev, cur_ref).map(Some),
[INFO] [stdout] ...   |
[INFO] [stdout] 192 | |             },
[INFO] [stdout]     | |_____________^ ...so that the type `T` will meet its required lifetime bounds
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]     |
[INFO] [stdout] 173 ~ fn find_common<'a, C: ?Sized, F, T, U>(collection: &'a C) -> Option<&'a U>
[INFO] [stdout] 174 | where
[INFO] [stdout] 175 |     for<'a> &'a C: IntoParallelIterator<Item = &'a T>,
[INFO] [stdout] 176 |     F: Finder<U>,
[INFO] [stdout] 177 ~     T: AsRef<U> + Sync + 'a,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0311`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fastxfix` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6dc63d9d89c1465f06464058700ce9826d28ed891c2af24fdb9eac8a8ad97e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc63d9d89c1465f06464058700ce9826d28ed891c2af24fdb9eac8a8ad97e22", kill_on_drop: false }`
[INFO] [stdout] 6dc63d9d89c1465f06464058700ce9826d28ed891c2af24fdb9eac8a8ad97e22