[INFO] cloning repository https://github.com/fr0stylo/plaintcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fr0stylo/plaintcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr0stylo%2Fplaintcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr0stylo%2Fplaintcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3db28fb3a504812eea813d8e910458d3e5befdab
[INFO] testing fr0stylo/plaintcp against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr0stylo%2Fplaintcp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fr0stylo/plaintcp
[INFO] finished tweaking git repo https://github.com/fr0stylo/plaintcp
[INFO] tweaked toml for git repo https://github.com/fr0stylo/plaintcp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fr0stylo/plaintcp on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fr0stylo/plaintcp 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f
[INFO] running `Command { std: "docker" "start" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.205
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.124
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling indexmap v2.3.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.205
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling filedescriptor v0.8.2
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling env_filter v0.1.2
[INFO] [stderr]    Compiling env_logger v0.11.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v4.5.15
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling promkit v0.4.5
[INFO] [stderr]    Compiling plaintcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/cache/middlewares.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     middlewares: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout]    |                          ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -     middlewares: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout] 26 +     middlewares: &'a mut dyn Iterator<Item = &'a dyn Middleware>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/cache/middlewares.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |         mw: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout]    |                     ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -         mw: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout] 32 +         mw: &'a mut dyn Iterator<Item = &'a dyn Middleware>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/cache/middlewares.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufWriter, Read, Write};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.05s
[INFO] running `Command { std: "docker" "inspect" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling plaintcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/cache/middlewares.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     middlewares: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout]    |                          ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -     middlewares: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout] 26 +     middlewares: &'a mut dyn Iterator<Item = &'a dyn Middleware>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/cache/middlewares.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |         mw: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout]    |                     ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -         mw: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stdout] 32 +         mw: &'a mut dyn Iterator<Item = &'a dyn Middleware>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/cache/middlewares.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufWriter, Read, Write};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/cache/middlewares.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |     middlewares: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stderr]    |                          ^                                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -     middlewares: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stderr] 26 +     middlewares: &'a mut dyn Iterator<Item = &'a dyn Middleware>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/cache/middlewares.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |         mw: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stderr]    |                     ^                                       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 32 -         mw: &'a mut (dyn Iterator<Item = &'a dyn Middleware>),
[INFO] [stderr] 32 +         mw: &'a mut dyn Iterator<Item = &'a dyn Middleware>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/cache/middlewares.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufWriter, Read, Write};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `plaintcp` (bin "plaintcp" test) generated 3 warnings (run `cargo fix --bin "plaintcp" -p plaintcp --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/plaintcp/375900e121ceca60/out/plaintcp-375900e121ceca60)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f", kill_on_drop: false }`
[INFO] [stdout] 9dacdafd3329752c133302c7809d8c9d11a485b0648b0d5553d7e66e40e1636f