[INFO] cloning repository https://github.com/mc738/dev_server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mc738/dev_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmc738%2Fdev_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmc738%2Fdev_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc993d599a14a0d261b357c7091e173d7edeb52f [INFO] checking mc738/dev_server against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmc738%2Fdev_server" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mc738/dev_server on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mc738/dev_server [INFO] finished tweaking git repo https://github.com/mc738/dev_server [INFO] tweaked toml for git repo https://github.com/mc738/dev_server written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mc738/dev_server 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crypto-common v0.1.4 [INFO] [stderr] Downloaded sha1 v0.10.1 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded mio-extras v2.0.6 [INFO] [stderr] Downloaded notify v4.0.17 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded slab v0.4.6 [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded chrono v0.2.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d370f4c4368b0ca700cb3f58270045084991e5754c219321215ab9285a672516 [INFO] running `Command { std: "docker" "start" "-a" "d370f4c4368b0ca700cb3f58270045084991e5754c219321215ab9285a672516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d370f4c4368b0ca700cb3f58270045084991e5754c219321215ab9285a672516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d370f4c4368b0ca700cb3f58270045084991e5754c219321215ab9285a672516", kill_on_drop: false }` [INFO] [stdout] d370f4c4368b0ca700cb3f58270045084991e5754c219321215ab9285a672516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20f29e348cb49dad9b684b475d04e7b0fcdb5c46f7180a3cbd770a05c0fbe8d4 [INFO] running `Command { std: "docker" "start" "-a" "20f29e348cb49dad9b684b475d04e7b0fcdb5c46f7180a3cbd770a05c0fbe8d4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking cpufeatures v0.2.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking filetime v0.2.17 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking crypto-common v0.1.4 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking sha1 v0.10.1 [INFO] [stderr] Checking dev_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> src/logging/logger.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::mpsc::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> src/logging/logger.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::mpsc::{Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/http/common.rs:172:17 [INFO] [stdout] | [INFO] [stdout] 172 | let mut body: Vec = Vec::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/http/common.rs:172:17 [INFO] [stdout] | [INFO] [stdout] 172 | let mut body: Vec = Vec::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/http/common.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut body: Vec = Vec::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/http/common.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut body: Vec = Vec::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/http/common.rs:354:13 [INFO] [stdout] | [INFO] [stdout] 354 | let mut bytes = Vec::from(self.get_string().as_bytes()); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `body` is never read [INFO] [stdout] --> src/http/common.rs:392:17 [INFO] [stdout] | [INFO] [stdout] 392 | let mut body: Vec = Vec::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/http/common.rs:354:13 [INFO] [stdout] | [INFO] [stdout] 354 | let mut bytes = Vec::from(self.get_string().as_bytes()); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `body` is never read [INFO] [stdout] --> src/http/common.rs:392:17 [INFO] [stdout] | [INFO] [stdout] 392 | let mut body: Vec = Vec::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/http/server.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | let name = format!("worker_{}", id); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/http/server.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | let name = format!("worker_{}", id); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/http/server.rs:245:25 [INFO] [stdout] | [INFO] [stdout] 245 | let thread = thread::spawn(move || loop { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/http/server.rs:245:25 [INFO] [stdout] | [INFO] [stdout] 245 | let thread = thread::spawn(move || loop { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watch` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let watch = FileWatcher::start(not_tx, base_path.clone(), &log); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_watch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message_hub` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let message_hub = MessageHub::start(sub_rx, not_rx, &log); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_hub` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let server = Server::start("127.0.0.1:8080".to_string(), &log, sub_tx, base_path); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watch` [INFO] [stdout] --> src/main.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let watch = FileWatcher::start(not_tx, base_path.clone(), &log); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_watch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message_hub` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let message_hub = MessageHub::start(sub_rx, not_rx, &log); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_hub` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `server` [INFO] [stdout] --> src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let server = Server::start("127.0.0.1:8080".to_string(), &log, sub_tx, base_path); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread` is never read [INFO] [stdout] --> src/files/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct FileWatcher { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 13 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread` is never read [INFO] [stdout] --> src/http/server.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/http/server.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | struct ConnectionPool { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 29 | sender: Sender, [INFO] [stdout] 30 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/http/server.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 34 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 35 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `handler` is never read [INFO] [stdout] --> src/logging/logger.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Log { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 15 | handler: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread` is never read [INFO] [stdout] --> src/messaging/mod.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct MessageHub { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 22 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread` is never read [INFO] [stdout] --> src/files/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct FileWatcher { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 13 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread` is never read [INFO] [stdout] --> src/http/server.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub(crate) struct Server { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/http/server.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 28 | struct ConnectionPool { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 29 | sender: Sender, [INFO] [stdout] 30 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/http/server.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 34 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 35 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `handler` is never read [INFO] [stdout] --> src/logging/logger.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Log { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 15 | handler: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread` is never read [INFO] [stdout] --> src/messaging/mod.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct MessageHub { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 22 | thread: JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s [INFO] running `Command { std: "docker" "inspect" "20f29e348cb49dad9b684b475d04e7b0fcdb5c46f7180a3cbd770a05c0fbe8d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20f29e348cb49dad9b684b475d04e7b0fcdb5c46f7180a3cbd770a05c0fbe8d4", kill_on_drop: false }` [INFO] [stdout] 20f29e348cb49dad9b684b475d04e7b0fcdb5c46f7180a3cbd770a05c0fbe8d4