[INFO] cloning repository https://github.com/obaiyan/barragekyi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obaiyan/barragekyi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaiyan%2Fbarragekyi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaiyan%2Fbarragekyi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b749c8cbe42f9e91a1d2c746221d4bb34f96393a [INFO] checking obaiyan/barragekyi against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaiyan%2Fbarragekyi" "/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/obaiyan/barragekyi 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/obaiyan/barragekyi [INFO] finished tweaking git repo https://github.com/obaiyan/barragekyi [INFO] tweaked toml for git repo https://github.com/obaiyan/barragekyi written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/obaiyan/barragekyi 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded relay v0.1.0 [INFO] [stderr] Downloaded rand v0.3.20 [INFO] [stderr] Downloaded mime v0.3.5 [INFO] [stderr] Downloaded httparse v1.2.3 [INFO] [stderr] Downloaded base64 v0.9.0 [INFO] [stderr] Downloaded hyper v0.11.11 [INFO] [stderr] Downloaded libc v0.2.35 [INFO] [stderr] Downloaded serde_json v1.0.9 [INFO] [stderr] Downloaded mio v0.6.12 [INFO] [stderr] Downloaded tokio-core v0.1.11 [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] db6642c2df923079cf88e03163e8f9005fd9ba9b5788b876455ff0a572a165da [INFO] running `Command { std: "docker" "start" "-a" "db6642c2df923079cf88e03163e8f9005fd9ba9b5788b876455ff0a572a165da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db6642c2df923079cf88e03163e8f9005fd9ba9b5788b876455ff0a572a165da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db6642c2df923079cf88e03163e8f9005fd9ba9b5788b876455ff0a572a165da", kill_on_drop: false }` [INFO] [stdout] db6642c2df923079cf88e03163e8f9005fd9ba9b5788b876455ff0a572a165da [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] 3657fdc6e12abb6b9ea549b909a2efaddbbbd6d0dc4e235aed5e14223e73d34f [INFO] running `Command { std: "docker" "start" "-a" "3657fdc6e12abb6b9ea549b909a2efaddbbbd6d0dc4e235aed5e14223e73d34f", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.35 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking base64 v0.9.0 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking rand v0.3.20 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Checking mio v0.6.12 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Checking mime v0.3.5 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking relay v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-core v0.1.11 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking serde_json v1.0.9 [INFO] [stderr] Checking hyper v0.11.11 [INFO] [stderr] Checking barragekyi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `time` is imported redundantly [INFO] [stdout] --> src/client/barrage_client.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use time; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate time; [INFO] [stdout] | ------------------ the item `time` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std` [INFO] [stdout] --> src/client/barrage_client.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/client/barrage_client.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/client/message.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/client/model.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client/barrage_client.rs:231:42 [INFO] [stdout] | [INFO] [stdout] 231 | fn send_message(&mut self, message: &Message) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 231 | fn send_message(&mut self, message: &dyn Message) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `time` is imported redundantly [INFO] [stdout] --> src/client/barrage_client.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use time; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | extern crate time; [INFO] [stdout] | ------------------ the item `time` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std` [INFO] [stdout] --> src/client/barrage_client.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/client/barrage_client.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/client/message.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/client/model.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | extern crate serde_json; [INFO] [stdout] | ------------------------ the item `serde_json` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client/barrage_client.rs:231:42 [INFO] [stdout] | [INFO] [stdout] 231 | fn send_message(&mut self, message: &Message) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 231 | fn send_message(&mut self, message: &dyn Message) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handler` [INFO] [stdout] --> src/client/barrage_client.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let handler = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/client/barrage_client.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut message = receiver.recv().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client/barrage_client.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | let mut message = receiver.recv().unwrap(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handler` [INFO] [stdout] --> src/client/barrage_client.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let handler = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/client/barrage_client.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut message = receiver.recv().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client/barrage_client.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | let mut message = receiver.recv().unwrap(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_bytes` is never used [INFO] [stdout] --> src/client/barrage_client.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn print_bytes(data: &Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_hello` is never used [INFO] [stdout] --> src/client/barrage_client.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 36 | impl BarrageClient { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 37 | fn print_hello(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_bytes` is never used [INFO] [stdout] --> src/client/barrage_client.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn print_bytes(data: &Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_hello` is never used [INFO] [stdout] --> src/client/barrage_client.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 36 | impl BarrageClient { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 37 | fn print_hello(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.83s [INFO] running `Command { std: "docker" "inspect" "3657fdc6e12abb6b9ea549b909a2efaddbbbd6d0dc4e235aed5e14223e73d34f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3657fdc6e12abb6b9ea549b909a2efaddbbbd6d0dc4e235aed5e14223e73d34f", kill_on_drop: false }` [INFO] [stdout] 3657fdc6e12abb6b9ea549b909a2efaddbbbd6d0dc4e235aed5e14223e73d34f