[INFO] cloning repository https://github.com/denzyldick/mserver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denzyldick/mserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenzyldick%2Fmserver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenzyldick%2Fmserver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8d7560a9acd86e1a62b4fb56340dfcf36d049e3d [INFO] checking denzyldick/mserver against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenzyldick%2Fmserver" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/denzyldick/mserver on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/denzyldick/mserver [INFO] finished tweaking git repo https://github.com/denzyldick/mserver [INFO] tweaked toml for git repo https://github.com/denzyldick/mserver written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/denzyldick/mserver 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded markdown v0.3.0 [INFO] [stderr] Downloaded pipeline v0.5.0 [INFO] [stderr] Downloaded clap v3.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01b443653146be05d1fa5632be9d3e2b8cdfebcc6a90a7436b34c0fe91401253 [INFO] running `Command { std: "docker" "start" "-a" "01b443653146be05d1fa5632be9d3e2b8cdfebcc6a90a7436b34c0fe91401253", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01b443653146be05d1fa5632be9d3e2b8cdfebcc6a90a7436b34c0fe91401253", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b443653146be05d1fa5632be9d3e2b8cdfebcc6a90a7436b34c0fe91401253", kill_on_drop: false }` [INFO] [stdout] 01b443653146be05d1fa5632be9d3e2b8cdfebcc6a90a7436b34c0fe91401253 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4250009f7d38bcb1b41cfd4b6cd0cb42266288f1c9581dca56d49c6ed37186c8 [INFO] running `Command { std: "docker" "start" "-a" "4250009f7d38bcb1b41cfd4b6cd0cb42266288f1c9581dca56d49c6ed37186c8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking boxfnonce v0.1.1 [INFO] [stderr] Checking pipeline v0.5.0 [INFO] [stderr] Checking markdown v0.3.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking daemonize v0.4.1 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking clap v3.1.8 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking mserver v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::sync::mpsc::Receiver` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc::Receiver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::Receiver` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc::Receiver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | self.sender.send(Message::Terminate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.sender.send(Message::Terminate); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:68:13 [INFO] [stdout] | [INFO] [stdout] 68 | self.sender.send(Message::Terminate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.sender.send(Message::Terminate); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `directories::ProjectDirs` [INFO] [stdout] --> src/config.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use directories::ProjectDirs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::ErrorKind` [INFO] [stdout] --> src/config.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io` [INFO] [stdout] --> src/config.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{env, fs, io}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `toml::ser::Error` [INFO] [stdout] --> src/config.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use toml::ser::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `directories::ProjectDirs` [INFO] [stdout] --> src/config.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use directories::ProjectDirs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::ErrorKind` [INFO] [stdout] --> src/config.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io` [INFO] [stdout] --> src/config.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{env, fs, io}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `toml::ser::Error` [INFO] [stdout] --> src/config.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use toml::ser::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/config.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let file = match Self::retrieve_stored_configuration() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/config.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `route` [INFO] [stdout] --> src/server.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn add(&mut self, route: Route) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_route` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `get` [INFO] [stdout] --> src/server.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | let get = b"GET"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_get` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `store` is never used [INFO] [stdout] --> src/config.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Config { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | fn store(path: String, parsed: Config) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `method` is never read [INFO] [stdout] --> src/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Route { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 10 | method: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `routes` is never read [INFO] [stdout] --> src/server.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Routes { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 26 | routes: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add` is never used [INFO] [stdout] --> src/server.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl Routes { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 30 | pub fn add(&mut self, route: Route) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/config.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let file = match Self::retrieve_stored_configuration() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/config.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `route` [INFO] [stdout] --> src/server.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn add(&mut self, route: Route) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_route` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `get` [INFO] [stdout] --> src/server.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | let get = b"GET"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_get` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | stream.write(response.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 71 | let _ = stream.write(response.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | stream.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = stream.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `store` is never used [INFO] [stdout] --> src/config.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Config { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | fn store(path: String, parsed: Config) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `method` is never read [INFO] [stdout] --> src/server.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Route { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 10 | method: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `routes` is never read [INFO] [stdout] --> src/server.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Routes { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 26 | routes: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add` is never used [INFO] [stdout] --> src/server.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl Routes { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 30 | pub fn add(&mut self, route: Route) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | stream.write(response.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 71 | let _ = stream.write(response.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | stream.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = stream.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.73s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: daemonize v0.4.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4250009f7d38bcb1b41cfd4b6cd0cb42266288f1c9581dca56d49c6ed37186c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4250009f7d38bcb1b41cfd4b6cd0cb42266288f1c9581dca56d49c6ed37186c8", kill_on_drop: false }` [INFO] [stdout] 4250009f7d38bcb1b41cfd4b6cd0cb42266288f1c9581dca56d49c6ed37186c8