[INFO] cloning repository https://github.com/dustinrohde/rparse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustinrohde/rparse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Frparse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Frparse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec826ffdafcbf3b250d4abf28b05132d898d00d8
[INFO] checking dustinrohde/rparse against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Frparse" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustinrohde/rparse on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dustinrohde/rparse
[INFO] finished tweaking git repo https://github.com/dustinrohde/rparse
[INFO] tweaked toml for git repo https://github.com/dustinrohde/rparse written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dustinrohde/rparse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1e4e738d4170e5f2c245b1456356780470300ca2cbcdfcf0ffffdb9db83fcd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1e4e738d4170e5f2c245b1456356780470300ca2cbcdfcf0ffffdb9db83fcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1e4e738d4170e5f2c245b1456356780470300ca2cbcdfcf0ffffdb9db83fcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e4e738d4170e5f2c245b1456356780470300ca2cbcdfcf0ffffdb9db83fcd6", kill_on_drop: false }`
[INFO] [stdout] d1e4e738d4170e5f2c245b1456356780470300ca2cbcdfcf0ffffdb9db83fcd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bffeed3df89e35d32e6ea6b640bdebcd4729fb1b6729ecf905f058002890e83b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bffeed3df89e35d32e6ea6b640bdebcd4729fb1b6729ecf905f058002890e83b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking rparse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `lws`
[INFO] [stdout]   --> examples/http/common.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn lws<S: Stream>() -> impl Parser<Stream = S, Output = ()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> examples/http/request_line.rs:159:18
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 .into_iter()
[INFO] [stdout]     |                  ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.43s
[INFO] running `Command { std: "docker" "inspect" "bffeed3df89e35d32e6ea6b640bdebcd4729fb1b6729ecf905f058002890e83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bffeed3df89e35d32e6ea6b640bdebcd4729fb1b6729ecf905f058002890e83b", kill_on_drop: false }`
[INFO] [stdout] bffeed3df89e35d32e6ea6b640bdebcd4729fb1b6729ecf905f058002890e83b