[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#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobaiyan%2Fbarragekyi" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/obaiyan/barragekyi on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-0-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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper v0.11.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13ac4ec858f8cc9e6c095a5445e0c584c39ad91f20b8f6759e0a23e022cdccd4
[INFO] running `Command { std: "docker" "start" "-a" "13ac4ec858f8cc9e6c095a5445e0c584c39ad91f20b8f6759e0a23e022cdccd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13ac4ec858f8cc9e6c095a5445e0c584c39ad91f20b8f6759e0a23e022cdccd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ac4ec858f8cc9e6c095a5445e0c584c39ad91f20b8f6759e0a23e022cdccd4", kill_on_drop: false }`
[INFO] [stdout] 13ac4ec858f8cc9e6c095a5445e0c584c39ad91f20b8f6759e0a23e022cdccd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5579807be814c30da5a36a8d0b488044eace9d875977437ef48ecb9c31a47769
[INFO] running `Command { std: "docker" "start" "-a" "5579807be814c30da5a36a8d0b488044eace9d875977437ef48ecb9c31a47769", 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]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
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[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling syn v0.11.11
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[INFO] [stderr]     Checking net2 v0.2.31
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[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
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[INFO] [stderr]     Checking relay v0.1.0
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[INFO] [stderr]     Checking tokio-core v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.27
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[INFO] [stderr]     Checking hyper v0.11.11
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking barragekyi v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(unused_imports)]` on by default
[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: 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]    = note: `#[warn(unused_imports)]` on by default
[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: 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn send_message(&mut self, message: &dyn Message) {
[INFO] [stdout]     |                                          +++
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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: 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: 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<u8>) {
[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: 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<u8>) {
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "5579807be814c30da5a36a8d0b488044eace9d875977437ef48ecb9c31a47769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5579807be814c30da5a36a8d0b488044eace9d875977437ef48ecb9c31a47769", kill_on_drop: false }`
[INFO] [stdout] 5579807be814c30da5a36a8d0b488044eace9d875977437ef48ecb9c31a47769
