[INFO] cloning repository https://github.com/silvadanilo/rust-testing-sending-error [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silvadanilo/rust-testing-sending-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvadanilo%2Frust-testing-sending-error", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvadanilo%2Frust-testing-sending-error'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 16f394fd5a7710b9e096cd5959b3cf76500f2b25 [INFO] checking silvadanilo/rust-testing-sending-error against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvadanilo%2Frust-testing-sending-error" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/silvadanilo/rust-testing-sending-error on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/silvadanilo/rust-testing-sending-error [INFO] finished tweaking git repo https://github.com/silvadanilo/rust-testing-sending-error [INFO] tweaked toml for git repo https://github.com/silvadanilo/rust-testing-sending-error written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/silvadanilo/rust-testing-sending-error already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38165185d9aa8b68108cb61c7035dcc96132430381f555e9495947700b0ba3cc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "38165185d9aa8b68108cb61c7035dcc96132430381f555e9495947700b0ba3cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38165185d9aa8b68108cb61c7035dcc96132430381f555e9495947700b0ba3cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38165185d9aa8b68108cb61c7035dcc96132430381f555e9495947700b0ba3cc", kill_on_drop: false }` [INFO] [stdout] 38165185d9aa8b68108cb61c7035dcc96132430381f555e9495947700b0ba3cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4df4bcd0209bb90a155190995eaf9c45f1725ffcadb1f1b40c00b83bb9dc99c7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4df4bcd0209bb90a155190995eaf9c45f1725ffcadb1f1b40c00b83bb9dc99c7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-timer v0.1.0 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.27 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking bytes v0.4.1 [INFO] [stderr] Checking mio v0.6.5 [INFO] [stderr] Checking tokio-io v0.1.0 [INFO] [stderr] Checking tokio-core v0.1.6 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-line v0.1.0 (https://github.com/tokio-rs/tokio-line#e2cf5758) [INFO] [stderr] Checking test-connection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `str` [INFO] [stdout] --> src/main.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | use std::{io, str}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Io`: moved to the `tokio-io` crate [INFO] [stdout] --> src/main.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_core::io::{Io}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `tokio_core::io::write_all`: moved to the `tokio-io` crate [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | tokio_core::io::write_all(sender, msg.into_bytes()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `tokio_core::io::Io::split`: moved to the `tokio-io` crate [INFO] [stdout] --> src/main.rs:28:41 [INFO] [stdout] | [INFO] [stdout] 28 | let (receiver, sender) = stream.split(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/main.rs:28:14 [INFO] [stdout] | [INFO] [stdout] 28 | let (receiver, sender) = stream.split(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `str` [INFO] [stdout] --> src/main.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | use std::{io, str}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `tokio_core::io::Io`: moved to the `tokio-io` crate [INFO] [stdout] --> src/main.rs:11:22 [INFO] [stdout] | [INFO] [stdout] 11 | use tokio_core::io::{Io}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `tokio_core::io::write_all`: moved to the `tokio-io` crate [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | tokio_core::io::write_all(sender, msg.into_bytes()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `tokio_core::io::Io::split`: moved to the `tokio-io` crate [INFO] [stdout] --> src/main.rs:28:41 [INFO] [stdout] | [INFO] [stdout] 28 | let (receiver, sender) = stream.split(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/main.rs:28:14 [INFO] [stdout] | [INFO] [stdout] 28 | let (receiver, sender) = stream.split(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.73s [INFO] running `Command { std: "docker" "inspect" "4df4bcd0209bb90a155190995eaf9c45f1725ffcadb1f1b40c00b83bb9dc99c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4df4bcd0209bb90a155190995eaf9c45f1725ffcadb1f1b40c00b83bb9dc99c7", kill_on_drop: false }` [INFO] [stdout] 4df4bcd0209bb90a155190995eaf9c45f1725ffcadb1f1b40c00b83bb9dc99c7