[INFO] cloning repository https://github.com/ezequielrickert/concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ezequielrickert/concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezequielrickert%2Fconcurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezequielrickert%2Fconcurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97a0c50e4a463e091bdcf8a5fd5f7118eb7de773
[INFO] checking ezequielrickert/concurrency against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezequielrickert%2Fconcurrency" "/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/ezequielrickert/concurrency
[INFO] finished tweaking git repo https://github.com/ezequielrickert/concurrency
[INFO] tweaked toml for git repo https://github.com/ezequielrickert/concurrency written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ezequielrickert/concurrency on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ezequielrickert/concurrency 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" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995
[INFO] running `Command { std: "docker" "start" "b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995", 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" "b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server-pi)
[INFO] [stderr]     Checking grep v0.1.0 (/opt/rustwide/workdir/grep)
[INFO] [stderr]     Checking pool v0.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking tp1 v0.1.0 (/opt/rustwide/workdir/tp1)
[INFO] [stderr]     Checking tp2 v0.1.0 (/opt/rustwide/workdir/tp2)
[INFO] [stderr]     Checking tp3 v0.1.0 (/opt/rustwide/workdir/tp3)
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking tp5 v0.1.0 (/opt/rustwide/workdir/tp5)
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking server-log v0.1.0 (/opt/rustwide/workdir/server-log)
[INFO] [stderr]     Checking tp7 v0.1.0 (/opt/rustwide/workdir/tp7)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> server-log/src/analyzer.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn add_file(&self, mut file: FileAnalyzer) {
[INFO] [stdout]    |                            ----^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> server-log/src/analyzer.rs:32:28
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn add_file(&self, mut file: FileAnalyzer) {
[INFO] [stdout]    |                            ----^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> server-log/src/lib.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn handle_connection(mut stream: &TcpStream, mut analyzer: Arc<Analyzer>) {
[INFO] [stdout]   |                                                  ----^^^^^^^^
[INFO] [stdout]   |                                                  |
[INFO] [stdout]   |                                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tp7/src/main.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for i in 0 ..tasks {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> server-log/src/lib.rs:8:50
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn handle_connection(mut stream: &TcpStream, mut analyzer: Arc<Analyzer>) {
[INFO] [stdout]   |                                                  ----^^^^^^^^
[INFO] [stdout]   |                                                  |
[INFO] [stdout]   |                                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tp7/src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     for i in 0..tasks {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tp7/src/main.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for i in 0 ..tasks {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tp7/src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     for i in 0..tasks {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tp4 v0.1.0 (/opt/rustwide/workdir/tp4)
[INFO] [stderr] warning: unused dependency `crossbeam`
[INFO] [stderr]  --> tp5/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | crossbeam = "0.8.4"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `crossbeam`
[INFO] [stderr] warning: `tp5` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995", kill_on_drop: false }`
[INFO] [stdout] b666e00aeed1f005d1e0062b6bfc7369c533d736942e3e27a41f1d794aa38995
