[INFO] cloning repository https://github.com/hoodie/peerchat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hoodie/peerchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fpeerchat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fpeerchat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef3c140145dc84050f7826ba9a40170fd4e73aa7 [INFO] checking hoodie/peerchat against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fpeerchat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hoodie/peerchat 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/hoodie/peerchat [INFO] finished tweaking git repo https://github.com/hoodie/peerchat [INFO] tweaked toml for git repo https://github.com/hoodie/peerchat written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hoodie/peerchat 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 91765021b1dc63986930f9efa0bb545bfcb14464f91dc916ef0cda251028f423 [INFO] running `Command { std: "docker" "start" "-a" "91765021b1dc63986930f9efa0bb545bfcb14464f91dc916ef0cda251028f423", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91765021b1dc63986930f9efa0bb545bfcb14464f91dc916ef0cda251028f423", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91765021b1dc63986930f9efa0bb545bfcb14464f91dc916ef0cda251028f423", kill_on_drop: false }` [INFO] [stdout] 91765021b1dc63986930f9efa0bb545bfcb14464f91dc916ef0cda251028f423 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bb8fdc361b2114105329eac052df763819bc4ae44e5285f709311a763cf923db [INFO] running `Command { std: "docker" "start" "-a" "bb8fdc361b2114105329eac052df763819bc4ae44e5285f709311a763cf923db", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking peerchat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/protocol.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/protocol.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> examples/server.rs:68:30 [INFO] [stdout] | [INFO] [stdout] 68 | Message::Message{ref name, ref payload, address} => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> examples/server.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | fn broadcast(msg: &str, receivers: &[SocketAddr]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receivers` [INFO] [stdout] --> examples/server.rs:81:25 [INFO] [stdout] | [INFO] [stdout] 81 | fn broadcast(msg: &str, receivers: &[SocketAddr]) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receivers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `broadcast` is never used [INFO] [stdout] --> examples/server.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn broadcast(msg: &str, receivers: &[SocketAddr]) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.08s [INFO] running `Command { std: "docker" "inspect" "bb8fdc361b2114105329eac052df763819bc4ae44e5285f709311a763cf923db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb8fdc361b2114105329eac052df763819bc4ae44e5285f709311a763cf923db", kill_on_drop: false }` [INFO] [stdout] bb8fdc361b2114105329eac052df763819bc4ae44e5285f709311a763cf923db [INFO] checking hoodie/peerchat against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fpeerchat" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hoodie/peerchat on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hoodie/peerchat [INFO] finished tweaking git repo https://github.com/hoodie/peerchat [INFO] tweaked toml for git repo https://github.com/hoodie/peerchat written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/hoodie/peerchat 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42e0df57af205ade1d5398ef97d0176160bcf4b6063bdc78919405b94fb10833 [INFO] running `Command { std: "docker" "start" "-a" "42e0df57af205ade1d5398ef97d0176160bcf4b6063bdc78919405b94fb10833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42e0df57af205ade1d5398ef97d0176160bcf4b6063bdc78919405b94fb10833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42e0df57af205ade1d5398ef97d0176160bcf4b6063bdc78919405b94fb10833", kill_on_drop: false }` [INFO] [stdout] 42e0df57af205ade1d5398ef97d0176160bcf4b6063bdc78919405b94fb10833 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32397c3c26d44fab3e1227d46d9111be69f88da50947d87959dbaedd89b423ab [INFO] running `Command { std: "docker" "start" "-a" "32397c3c26d44fab3e1227d46d9111be69f88da50947d87959dbaedd89b423ab", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking peerchat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/protocol.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/protocol.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> examples/server.rs:68:30 [INFO] [stdout] | [INFO] [stdout] 68 | Message::Message{ref name, ref payload, address} => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> examples/server.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | fn broadcast(msg: &str, receivers: &[SocketAddr]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receivers` [INFO] [stdout] --> examples/server.rs:81:25 [INFO] [stdout] | [INFO] [stdout] 81 | fn broadcast(msg: &str, receivers: &[SocketAddr]) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receivers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `broadcast` is never used [INFO] [stdout] --> examples/server.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn broadcast(msg: &str, receivers: &[SocketAddr]) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.05s [INFO] running `Command { std: "docker" "inspect" "32397c3c26d44fab3e1227d46d9111be69f88da50947d87959dbaedd89b423ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32397c3c26d44fab3e1227d46d9111be69f88da50947d87959dbaedd89b423ab", kill_on_drop: false }` [INFO] [stdout] 32397c3c26d44fab3e1227d46d9111be69f88da50947d87959dbaedd89b423ab