[INFO] cloning repository https://github.com/Quantumplation/rust-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Quantumplation/rust-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantumplation%2Frust-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantumplation%2Frust-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 956798ec5c61d17d04dc436394fd7fa3af5bbaff
[INFO] checking Quantumplation/rust-echo/956798ec5c61d17d04dc436394fd7fa3af5bbaff against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantumplation%2Frust-echo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Quantumplation/rust-echo on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Quantumplation/rust-echo
[INFO] finished tweaking git repo https://github.com/Quantumplation/rust-echo
[INFO] tweaked toml for git repo https://github.com/Quantumplation/rust-echo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Quantumplation/rust-echo 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.7
[INFO] [stderr]   Downloaded tokio-serde v0.9.0
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded clap_derive v4.5.5
[INFO] [stderr]   Downloaded clap_builder v4.5.7
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e109156244d73af00a953f0c0ff8645be1eb8f93f2f6c1a00babf17457d1c9d6
[INFO] running `Command { std: "docker" "start" "-a" "e109156244d73af00a953f0c0ff8645be1eb8f93f2f6c1a00babf17457d1c9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e109156244d73af00a953f0c0ff8645be1eb8f93f2f6c1a00babf17457d1c9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e109156244d73af00a953f0c0ff8645be1eb8f93f2f6c1a00babf17457d1c9d6", kill_on_drop: false }`
[INFO] [stdout] e109156244d73af00a953f0c0ff8645be1eb8f93f2f6c1a00babf17457d1c9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 989b8b85dba073aa6dbcda5e55c4fa332028d80ae769084efc572503c68351e6
[INFO] running `Command { std: "docker" "start" "-a" "989b8b85dba073aa6dbcda5e55c4fa332028d80ae769084efc572503c68351e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.117
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[INFO] [stderr]     Checking tracing-core v0.1.32
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[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]     Checking half v1.8.3
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[INFO] [stderr]     Checking strsim v0.11.1
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[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]    Compiling educe v0.5.11
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking clap v4.5.7
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
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[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tokio-serde v0.9.0
[INFO] [stderr]     Checking rust-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::stdin`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::{io::stdin, net::{tcp::{OwnedReadHalf, OwnedWriteHalf}, TcpListener, TcpStream}, task::{spawn_blocking, JoinSet}};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::stdin`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::{io::stdin, net::{tcp::{OwnedReadHalf, OwnedWriteHalf}, TcpListener, TcpStream}, task::{spawn_blocking, JoinSet}};
[INFO] [stdout]   |             ^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.86s
[INFO] running `Command { std: "docker" "inspect" "989b8b85dba073aa6dbcda5e55c4fa332028d80ae769084efc572503c68351e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989b8b85dba073aa6dbcda5e55c4fa332028d80ae769084efc572503c68351e6", kill_on_drop: false }`
[INFO] [stdout] 989b8b85dba073aa6dbcda5e55c4fa332028d80ae769084efc572503c68351e6