[INFO] cloning repository https://github.com/rapidsockets/rust-sdk [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rapidsockets/rust-sdk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frapidsockets%2Frust-sdk", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frapidsockets%2Frust-sdk'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 948eb4eb7383e8ab1186d76a562cbeba45bd395f [INFO] checking rapidsockets/rust-sdk against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frapidsockets%2Frust-sdk" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rapidsockets/rust-sdk 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/rapidsockets/rust-sdk [INFO] finished tweaking git repo https://github.com/rapidsockets/rust-sdk [INFO] tweaked toml for git repo https://github.com/rapidsockets/rust-sdk written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 52 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.13) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding sha-1 v0.8.2 (latest: v0.10.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b268f5e37136ad01ac0e990920901da92583aaec7cdefa30d616e5234ae94b75 [INFO] running `Command { std: "docker" "start" "-a" "b268f5e37136ad01ac0e990920901da92583aaec7cdefa30d616e5234ae94b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b268f5e37136ad01ac0e990920901da92583aaec7cdefa30d616e5234ae94b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b268f5e37136ad01ac0e990920901da92583aaec7cdefa30d616e5234ae94b75", kill_on_drop: false }` [INFO] [stdout] b268f5e37136ad01ac0e990920901da92583aaec7cdefa30d616e5234ae94b75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b33fc4cfd6b714f4e2518e6cfdd052bf01f6aea67e06e067f55d3c5f73e7067f [INFO] running `Command { std: "docker" "start" "-a" "b33fc4cfd6b714f4e2518e6cfdd052bf01f6aea67e06e067f55d3c5f73e7067f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking ws v0.9.2 [INFO] [stderr] Checking rapidsockets v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `json` is imported redundantly [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate json; [INFO] [stdout] | ------------------ the item `json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use json; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CloseCode` [INFO] [stdout] --> src/main.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | use ws::{connect, CloseCode}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `authenticated`, `session`, `packet_queue`, `cbs`, and `subscriptions` are never read [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Client<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 42 | config: Config, [INFO] [stdout] 43 | authenticated: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 44 | session: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 45 | packet_queue: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 46 | cbs: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] 47 | subscriptions: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `client` is never read [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 84 | pub struct Subscription<'a> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 85 | client: &'a Client<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `client` is never read [INFO] [stdout] --> src/main.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 114 | pub struct Message<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 115 | pub client: &'a Client<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `json` is imported redundantly [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate json; [INFO] [stdout] | ------------------ the item `json` is already imported here [INFO] [stdout] ... [INFO] [stdout] 6 | use json; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CloseCode` [INFO] [stdout] --> src/main.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | use ws::{connect, CloseCode}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `authenticated`, `session`, `packet_queue`, `cbs`, and `subscriptions` are never read [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Client<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 42 | config: Config, [INFO] [stdout] 43 | authenticated: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 44 | session: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 45 | packet_queue: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 46 | cbs: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] 47 | subscriptions: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `client` is never read [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 84 | pub struct Subscription<'a> { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 85 | client: &'a Client<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `client` is never read [INFO] [stdout] --> src/main.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 114 | pub struct Message<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 115 | pub client: &'a Client<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s [INFO] running `Command { std: "docker" "inspect" "b33fc4cfd6b714f4e2518e6cfdd052bf01f6aea67e06e067f55d3c5f73e7067f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b33fc4cfd6b714f4e2518e6cfdd052bf01f6aea67e06e067f55d3c5f73e7067f", kill_on_drop: false }` [INFO] [stdout] b33fc4cfd6b714f4e2518e6cfdd052bf01f6aea67e06e067f55d3c5f73e7067f