[INFO] cloning repository https://github.com/mvniekerk/awc-ws-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvniekerk/awc-ws-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Fawc-ws-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Fawc-ws-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34f304598eaa13a8da879d29eac66af0cefed11a [INFO] checking mvniekerk/awc-ws-test against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Fawc-ws-test" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mvniekerk/awc-ws-test 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/mvniekerk/awc-ws-test [INFO] finished tweaking git repo https://github.com/mvniekerk/awc-ws-test [INFO] tweaked toml for git repo https://github.com/mvniekerk/awc-ws-test written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mvniekerk/awc-ws-test 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] Downloading crates ... [INFO] [stderr] Downloaded actix-macros v0.2.0 [INFO] [stderr] Downloaded actix-service v2.0.0-beta.4 [INFO] [stderr] Downloaded awc v3.0.0-beta.3 [INFO] [stderr] Downloaded actix-rt v2.1.0 [INFO] [stderr] Downloaded http-range v0.1.4 [INFO] [stderr] Downloaded actix-files v0.6.0-beta.3 [INFO] [stderr] Downloaded askama_escape v0.10.1 [INFO] [stderr] Downloaded actix_derive v0.6.0-beta.2 [INFO] [stderr] Downloaded ahash v0.7.2 [INFO] [stderr] Downloaded actix-server v2.0.0-beta.3 [INFO] [stderr] Downloaded actix v0.11.0-beta.3 [INFO] [stderr] Downloaded tokio-util v0.6.4 [INFO] [stderr] Downloaded serde v1.0.124 [INFO] [stderr] Downloaded h2 v0.3.1 [INFO] [stderr] Downloaded actix-web v4.0.0-beta.4 [INFO] [stderr] Downloaded mio v0.7.9 [INFO] [stderr] Downloaded actix-http v3.0.0-beta.4 [INFO] [stderr] Downloaded actix-tls v3.0.0-beta.4 [INFO] [stderr] Downloaded actix-web-codegen v0.5.0-beta.2 [INFO] [stderr] Downloaded actix-web-actors v4.0.0-beta.3 [INFO] [stderr] Downloaded tokio-openssl v0.6.1 [INFO] [stderr] Downloaded actix-utils v3.0.0-beta.2 [INFO] [stderr] Downloaded serde_derive v1.0.124 [INFO] [stderr] Downloaded actix-codec v0.4.0-beta.1 [INFO] [stderr] Downloaded openssl-src v111.14.0+1.1.1j [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a4c9470f5a03ac039249758d36ac1bd2cb9e8fa613913df2c594795d528bda09 [INFO] running `Command { std: "docker" "start" "-a" "a4c9470f5a03ac039249758d36ac1bd2cb9e8fa613913df2c594795d528bda09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4c9470f5a03ac039249758d36ac1bd2cb9e8fa613913df2c594795d528bda09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4c9470f5a03ac039249758d36ac1bd2cb9e8fa613913df2c594795d528bda09", kill_on_drop: false }` [INFO] [stdout] a4c9470f5a03ac039249758d36ac1bd2cb9e8fa613913df2c594795d528bda09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3c4190fbf53cea45594748871b11a525c32a68184c3a8d24df4043f404f8d4e5 [INFO] running `Command { std: "docker" "start" "-a" "3c4190fbf53cea45594748871b11a525c32a68184c3a8d24df4043f404f8d4e5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling tokio v1.3.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Compiling standback v0.2.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Compiling openssl-src v111.14.0+1.1.1j [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Checking actix-service v2.0.0-beta.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling time v0.2.25 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Compiling cookie v0.14.4 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking bytestring v1.0.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking sha-1 v0.9.4 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking askama_escape v0.10.1 [INFO] [stderr] Checking http-range v0.1.4 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking tokio-util v0.6.4 [INFO] [stderr] Compiling actix-macros v0.2.0 [INFO] [stderr] Checking actix-rt v2.1.0 [INFO] [stderr] Checking actix-codec v0.4.0-beta.1 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking actix-utils v3.0.0-beta.2 [INFO] [stderr] Compiling derive_more v0.99.11 [INFO] [stderr] Checking pin-project v1.0.5 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking h2 v0.3.1 [INFO] [stderr] Checking actix-server v2.0.0-beta.3 [INFO] [stderr] Compiling actix-web-codegen v0.5.0-beta.2 [INFO] [stderr] Compiling actix_derive v0.6.0-beta.2 [INFO] [stderr] Checking actix v0.11.0-beta.3 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking actix-router v0.2.7 [INFO] [stderr] Checking tokio-openssl v0.6.1 [INFO] [stderr] Checking actix-tls v3.0.0-beta.4 [INFO] [stderr] Checking actix-http v3.0.0-beta.4 [INFO] [stderr] Checking awc v3.0.0-beta.3 [INFO] [stderr] Checking actix-web v4.0.0-beta.4 [INFO] [stderr] Checking actix-files v0.6.0-beta.3 [INFO] [stderr] Checking actix-web-actors v4.0.0-beta.3 [INFO] [stderr] Checking awc-ws-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:124:21 [INFO] [stdout] | [INFO] [stdout] 123 | panic!(format!("Error: {:?}", e)); [INFO] [stdout] | --------------------------------- any code following this expression is unreachable [INFO] [stdout] 124 | () [INFO] [stdout] | ^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:124:21 [INFO] [stdout] | [INFO] [stdout] 123 | panic!(format!("Error: {:?}", e)); [INFO] [stdout] | --------------------------------- any code following this expression is unreachable [INFO] [stdout] 124 | () [INFO] [stdout] | ^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 91 | jh.await; [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] 91 | let _ = jh.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 91 | jh.await; [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] 91 | let _ = jh.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:123:28 [INFO] [stdout] | [INFO] [stdout] 123 | panic!(format!("Error: {:?}", e)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 123 - panic!(format!("Error: {:?}", e)); [INFO] [stdout] 123 + panic!("Error: {:?}", e); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:123:28 [INFO] [stdout] | [INFO] [stdout] 123 | panic!(format!("Error: {:?}", e)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 123 - panic!(format!("Error: {:?}", e)); [INFO] [stdout] 123 + panic!("Error: {:?}", e); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.00s [INFO] running `Command { std: "docker" "inspect" "3c4190fbf53cea45594748871b11a525c32a68184c3a8d24df4043f404f8d4e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c4190fbf53cea45594748871b11a525c32a68184c3a8d24df4043f404f8d4e5", kill_on_drop: false }` [INFO] [stdout] 3c4190fbf53cea45594748871b11a525c32a68184c3a8d24df4043f404f8d4e5