[INFO] updating cached repository https://github.com/koivunej/readpcap
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aafc6d9e031a62cbf7ee9ef297d655e65c1d6e74
[INFO] checking koivunej/readpcap against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoivunej%2Freadpcap" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koivunej/readpcap on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/koivunej/readpcap
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/koivunej/readpcap
[INFO] tweaked toml for git repo https://github.com/koivunej/readpcap written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/koivunej/readpcap already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb7ad920484104b8b3bdb22a1c17380ba964146ff836846a1d2596ca8923d94c
[INFO] running `"docker" "start" "-a" "fb7ad920484104b8b3bdb22a1c17380ba964146ff836846a1d2596ca8923d94c"`
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking mio v0.6.8
[INFO] [stderr]    Compiling derive-into-owned v0.1.0
[INFO] [stderr]     Checking error-chain v0.8.1
[INFO] [stderr]     Checking quick-protobuf v0.5.0
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.7
[INFO] [stderr]     Checking readpcap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/tcp/connection.rs:293:40
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 self.format_ascii(fmt, (count - group_len * groups_per_line), count)?;
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/tcp/connection.rs:322:36
[INFO] [stderr]     |
[INFO] [stderr] 322 |             self.format_ascii(fmt, (count - (count % bytes_per_line)), count)?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Checking tokio-proto v0.1.1 (https://github.com/koivunej/tokio-proto.git?branch=generic-requestid#15312a57)
[INFO] [stderr]     Checking eventstore-tcp v0.2.0 (https://github.com/koivunej/eventstore-tcp.git#447d86b9)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/tcp/connection.rs:293:40
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 self.format_ascii(fmt, (count - group_len * groups_per_line), count)?;
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/tcp/connection.rs:322:36
[INFO] [stderr]     |
[INFO] [stderr] 322 |             self.format_ascii(fmt, (count - (count % bytes_per_line)), count)?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/read-eventstore_tcp-pcap.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |             let mut connection = if connections.contains_key(&key.wrapped()) {
[INFO] [stderr]     |                 ----^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.20s
[INFO] running `"docker" "inspect" "fb7ad920484104b8b3bdb22a1c17380ba964146ff836846a1d2596ca8923d94c"`
[INFO] running `"docker" "rm" "-f" "fb7ad920484104b8b3bdb22a1c17380ba964146ff836846a1d2596ca8923d94c"`
[INFO] [stdout] fb7ad920484104b8b3bdb22a1c17380ba964146ff836846a1d2596ca8923d94c