[INFO] fetching crate encoding_rs_rw 0.4.2...
[INFO] checking encoding_rs_rw-0.4.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate encoding_rs_rw 0.4.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate encoding_rs_rw 0.4.2
[INFO] finished tweaking crates.io crate encoding_rs_rw 0.4.2
[INFO] tweaked toml for crates.io crate encoding_rs_rw 0.4.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate encoding_rs_rw 0.4.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d869e3a990a86b0907ec778e254c69cb223bf3805c008e0a9dc11f54fe7b28c3
[INFO] running `Command { std: "docker" "start" "-a" "d869e3a990a86b0907ec778e254c69cb223bf3805c008e0a9dc11f54fe7b28c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d869e3a990a86b0907ec778e254c69cb223bf3805c008e0a9dc11f54fe7b28c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d869e3a990a86b0907ec778e254c69cb223bf3805c008e0a9dc11f54fe7b28c3", kill_on_drop: false }`
[INFO] [stdout] d869e3a990a86b0907ec778e254c69cb223bf3805c008e0a9dc11f54fe7b28c3
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8527ba70342624ee8abce647f5713b990a4ab3343ba5a3c33c192112132fa6cb
[INFO] running `Command { std: "docker" "start" "-a" "8527ba70342624ee8abce647f5713b990a4ab3343ba5a3c33c192112132fa6cb", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking encoding_rs_rw v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/writer.rs:279:24
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn passthrough(&mut self) -> PassthroughWriter<B> {
[INFO] [stdout]     |                        ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn passthrough(&mut self) -> PassthroughWriter<'_, B> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/writer.rs:320:10
[INFO] [stdout]     |
[INFO] [stdout] 320 |         &'a mut self,
[INFO] [stdout]     |          ^^ this lifetime flows to the output
[INFO] [stdout] 321 |         handler: impl FnMut(UnmappableError, &mut PassthroughWriter<B>) -> io::Result<()> + 'a,
[INFO] [stdout] 322 |     ) -> impl io::Write + '_ {
[INFO] [stdout]     |                           -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 322 -     ) -> impl io::Write + '_ {
[INFO] [stdout] 322 +     ) -> impl io::Write + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/writer.rs:279:24
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn passthrough(&mut self) -> PassthroughWriter<B> {
[INFO] [stdout]     |                        ^^^^^^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn passthrough(&mut self) -> PassthroughWriter<'_, B> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/writer.rs:320:10
[INFO] [stdout]     |
[INFO] [stdout] 320 |         &'a mut self,
[INFO] [stdout]     |          ^^ this lifetime flows to the output
[INFO] [stdout] 321 |         handler: impl FnMut(UnmappableError, &mut PassthroughWriter<B>) -> io::Result<()> + 'a,
[INFO] [stdout] 322 |     ) -> impl io::Write + '_ {
[INFO] [stdout]     |                           -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 322 -     ) -> impl io::Write + '_ {
[INFO] [stdout] 322 +     ) -> impl io::Write + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_mut`: replaced by inherent assume_init_mut method; will eventually be removed
[INFO] [stdout]   --> benches/normal.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |             unsafe { mem::MaybeUninit::slice_assume_init_mut(self.0.spare_capacity_mut()) }
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_mut`: replaced by inherent assume_init_mut method; will eventually be removed
[INFO] [stdout]    --> benches/replace.rs:142:40
[INFO] [stdout]     |
[INFO] [stdout] 142 |             unsafe { mem::MaybeUninit::slice_assume_init_mut(self.0.spare_capacity_mut()) }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "8527ba70342624ee8abce647f5713b990a4ab3343ba5a3c33c192112132fa6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8527ba70342624ee8abce647f5713b990a4ab3343ba5a3c33c192112132fa6cb", kill_on_drop: false }`
[INFO] [stdout] 8527ba70342624ee8abce647f5713b990a4ab3343ba5a3c33c192112132fa6cb