[INFO] fetching crate wschat 0.1.0... [INFO] checking wschat-0.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] extracting crate wschat 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate wschat 0.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate wschat 0.1.0 [INFO] finished tweaking crates.io crate wschat 0.1.0 [INFO] tweaked toml for crates.io crate wschat 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate wschat 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded simple_asn1 v0.4.1 [INFO] [stderr] Downloaded tracing v0.1.18 [INFO] [stderr] Downloaded pem v0.8.1 [INFO] [stderr] Downloaded jsonwebtoken v7.2.0 [INFO] [stderr] Downloaded tracing-core v0.1.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 449ad4b67ad28e149f72227d5a4ab64e06be9ba49ecab7d08aef5e50d729c2d3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "449ad4b67ad28e149f72227d5a4ab64e06be9ba49ecab7d08aef5e50d729c2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "449ad4b67ad28e149f72227d5a4ab64e06be9ba49ecab7d08aef5e50d729c2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "449ad4b67ad28e149f72227d5a4ab64e06be9ba49ecab7d08aef5e50d729c2d3", kill_on_drop: false }` [INFO] [stdout] 449ad4b67ad28e149f72227d5a4ab64e06be9ba49ecab7d08aef5e50d729c2d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7ee661625e2cdaf3b1ec4d71089d14dbec82867e4c1cee1496997aaf2b9e3a3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a7ee661625e2cdaf3b1ec4d71089d14dbec82867e4c1cee1496997aaf2b9e3a3", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking urlencoding v1.1.1 [INFO] [stderr] Checking tracing-core v0.1.12 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking tracing v0.1.18 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking headers v0.3.2 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking num-bigint v0.2.6 [INFO] [stderr] Checking tungstenite v0.10.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Checking pem v0.8.1 [INFO] [stderr] Checking multipart v0.16.1 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking tokio-tungstenite v0.10.1 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking simple_asn1 v0.4.1 [INFO] [stderr] Checking jsonwebtoken v7.2.0 [INFO] [stderr] Checking warp v0.2.4 [INFO] [stderr] Checking wschat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let payload = if let Ok(p) = jsonwebtoken::decode::( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | tx.send(Ok(Message::text(msg.to_string()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | let payload = if let Ok(p) = jsonwebtoken::decode::( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | tx.send(Ok(Message::text(msg.to_string()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 26s [INFO] running `Command { std: "docker" "inspect" "a7ee661625e2cdaf3b1ec4d71089d14dbec82867e4c1cee1496997aaf2b9e3a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ee661625e2cdaf3b1ec4d71089d14dbec82867e4c1cee1496997aaf2b9e3a3", kill_on_drop: false }` [INFO] [stdout] a7ee661625e2cdaf3b1ec4d71089d14dbec82867e4c1cee1496997aaf2b9e3a3