[INFO] cloning repository https://github.com/EmmaLa/tokio-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmmaLa/tokio-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmaLa%2Ftokio-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmaLa%2Ftokio-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf17a85c54d53a88e8ceb4789897defe10667c70 [INFO] testing EmmaLa/tokio-chat against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmaLa%2Ftokio-chat" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EmmaLa/tokio-chat on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EmmaLa/tokio-chat [INFO] finished tweaking git repo https://github.com/EmmaLa/tokio-chat [INFO] tweaked toml for git repo https://github.com/EmmaLa/tokio-chat written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/EmmaLa/tokio-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d5b95e5bb03643071b4522a079167caf8e5f6755297aa127ea30f91801610e8 [INFO] running `Command { std: "docker" "start" "-a" "9d5b95e5bb03643071b4522a079167caf8e5f6755297aa127ea30f91801610e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d5b95e5bb03643071b4522a079167caf8e5f6755297aa127ea30f91801610e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d5b95e5bb03643071b4522a079167caf8e5f6755297aa127ea30f91801610e8", kill_on_drop: false }` [INFO] [stdout] 9d5b95e5bb03643071b4522a079167caf8e5f6755297aa127ea30f91801610e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 539699865a5871562ac659af5cbbea4c6da8ad670f31e738556e3961a40edc0f [INFO] running `Command { std: "docker" "start" "-a" "539699865a5871562ac659af5cbbea4c6da8ad670f31e738556e3961a40edc0f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling futures v0.1.18 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling mio v0.6.13 [INFO] [stderr] Compiling tokio-io v0.1.5 [INFO] [stderr] Compiling tokio v0.1.1 [INFO] [stderr] Compiling tokio-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsyncWrite` [INFO] [stdout] --> src/main.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio_io::{ AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | use std::io::{Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let mut chuck_data = chunk_data.for_each(move |data| { [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: type alias is never used: `Rx` [INFO] [stdout] --> src/main.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | type Rx = mpsc::UnboundedReceiver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | state: Rc> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.04s [INFO] running `Command { std: "docker" "inspect" "539699865a5871562ac659af5cbbea4c6da8ad670f31e738556e3961a40edc0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "539699865a5871562ac659af5cbbea4c6da8ad670f31e738556e3961a40edc0f", kill_on_drop: false }` [INFO] [stdout] 539699865a5871562ac659af5cbbea4c6da8ad670f31e738556e3961a40edc0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42a99cddebe717131f4d11b7785481d24597d8227371d562df037f7a1d81e64e [INFO] running `Command { std: "docker" "start" "-a" "42a99cddebe717131f4d11b7785481d24597d8227371d562df037f7a1d81e64e", kill_on_drop: false }` [INFO] [stderr] Compiling tokio-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsyncWrite` [INFO] [stdout] --> src/main.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio_io::{ AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | use std::io::{Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Mutex` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | let mut chuck_data = chunk_data.for_each(move |data| { [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: type alias is never used: `Rx` [INFO] [stdout] --> src/main.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | type Rx = mpsc::UnboundedReceiver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | state: Rc> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "42a99cddebe717131f4d11b7785481d24597d8227371d562df037f7a1d81e64e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42a99cddebe717131f4d11b7785481d24597d8227371d562df037f7a1d81e64e", kill_on_drop: false }` [INFO] [stdout] 42a99cddebe717131f4d11b7785481d24597d8227371d562df037f7a1d81e64e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 39a24586dbd2d9158626c1dc53db3548401e9e412d055faeb118612f82a618bb [INFO] running `Command { std: "docker" "start" "-a" "39a24586dbd2d9158626c1dc53db3548401e9e412d055faeb118612f82a618bb", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `AsyncWrite` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:9:28 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 9 | use tokio_io::{ AsyncRead, AsyncWrite}; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | use std::io::{Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Mutex` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use std::sync::Mutex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let mut chuck_data = chunk_data.for_each(move |data| { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Rx` [INFO] [stderr] --> src/main.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | type Rx = mpsc::UnboundedReceiver; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `state` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | state: Rc> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tokio_chat-7af0d01bf9c2368a) [INFO] running `Command { std: "docker" "inspect" "39a24586dbd2d9158626c1dc53db3548401e9e412d055faeb118612f82a618bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39a24586dbd2d9158626c1dc53db3548401e9e412d055faeb118612f82a618bb", kill_on_drop: false }` [INFO] [stdout] 39a24586dbd2d9158626c1dc53db3548401e9e412d055faeb118612f82a618bb