[INFO] cloning repository https://github.com/shqld/rust-http-etude [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shqld/rust-http-etude" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshqld%2Frust-http-etude", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshqld%2Frust-http-etude'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b634f402f253dad9bd2b6772b906a891a863684c [INFO] checking shqld/rust-http-etude against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshqld%2Frust-http-etude" "/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/shqld/rust-http-etude 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/shqld/rust-http-etude [INFO] finished tweaking git repo https://github.com/shqld/rust-http-etude [INFO] tweaked toml for git repo https://github.com/shqld/rust-http-etude written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shqld/rust-http-etude 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] Downloading crates ... [INFO] [stderr] Downloaded tokio-threadpool v0.1.13 [INFO] [stderr] Downloaded tokio v0.1.18 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 901957b728be0adb8c89c913bef317aa505ec1fd8207f322873430173dfbdc3f [INFO] running `Command { std: "docker" "start" "-a" "901957b728be0adb8c89c913bef317aa505ec1fd8207f322873430173dfbdc3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "901957b728be0adb8c89c913bef317aa505ec1fd8207f322873430173dfbdc3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "901957b728be0adb8c89c913bef317aa505ec1fd8207f322873430173dfbdc3f", kill_on_drop: false }` [INFO] [stdout] 901957b728be0adb8c89c913bef317aa505ec1fd8207f322873430173dfbdc3f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95d3cbd9c6bda4b557e5dc9c354358a9d888dedcb2d05938a4fe1c12524e023e [INFO] running `Command { std: "docker" "start" "-a" "95d3cbd9c6bda4b557e5dc9c354358a9d888dedcb2d05938a4fe1c12524e023e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.13 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.18 [INFO] [stderr] Checking rust-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Read`, `Take` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{BufRead, BufReader, Read, Take}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::req::*` [INFO] [stdout] --> src/http/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use self::req::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `Read`, `Take` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{BufRead, BufReader, Read, Take}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::req::*` [INFO] [stdout] --> src/http/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use self::req::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HttpRequest` is never constructed [INFO] [stdout] --> src/http/req.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct HttpRequest<'a, T> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/http/req.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 10 | impl<'a, T> HttpRequest<'a, T> { [INFO] [stdout] | ------------------------------ associated items in this implementation [INFO] [stdout] 11 | pub fn new(uri: &'a str, method: HttpMethod, headers: HttpHeaderMap, body: T) -> HttpRequest { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn uri(&self) -> &str { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn method(&self) -> &HttpMethod { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn headers(&self) -> &HttpHeaderMap { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn body(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn body_mut(&mut self) -> &mut T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn into_body(self) -> T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `inner` and `path` are never read [INFO] [stdout] --> src/message.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct IncomingMessage<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 11 | inner: &'a TcpStream, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | method: HttpMethod, [INFO] [stdout] 13 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IncomingMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `body` is never used [INFO] [stdout] --> src/message.rs:79:10 [INFO] [stdout] | [INFO] [stdout] 18 | impl<'a> IncomingMessage<'a> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn body(&self) -> &Option>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HttpRequest` is never constructed [INFO] [stdout] --> src/http/req.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct HttpRequest<'a, T> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/http/req.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 10 | impl<'a, T> HttpRequest<'a, T> { [INFO] [stdout] | ------------------------------ associated items in this implementation [INFO] [stdout] 11 | pub fn new(uri: &'a str, method: HttpMethod, headers: HttpHeaderMap, body: T) -> HttpRequest { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn uri(&self) -> &str { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn method(&self) -> &HttpMethod { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn headers(&self) -> &HttpHeaderMap { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn body(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn body_mut(&mut self) -> &mut T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn into_body(self) -> T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `inner` and `path` are never read [INFO] [stdout] --> src/message.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct IncomingMessage<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 11 | inner: &'a TcpStream, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | method: HttpMethod, [INFO] [stdout] 13 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IncomingMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `body` is never used [INFO] [stdout] --> src/message.rs:79:10 [INFO] [stdout] | [INFO] [stdout] 18 | impl<'a> IncomingMessage<'a> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn body(&self) -> &Option>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.19s [INFO] running `Command { std: "docker" "inspect" "95d3cbd9c6bda4b557e5dc9c354358a9d888dedcb2d05938a4fe1c12524e023e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95d3cbd9c6bda4b557e5dc9c354358a9d888dedcb2d05938a4fe1c12524e023e", kill_on_drop: false }` [INFO] [stdout] 95d3cbd9c6bda4b557e5dc9c354358a9d888dedcb2d05938a4fe1c12524e023e