[INFO] cloning repository https://github.com/smutekk/rsrem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smutekk/rsrem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmutekk%2Frsrem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmutekk%2Frsrem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] add207ec36ca68be8a07b963e6cea358174bf4e5
[INFO] checking smutekk/rsrem against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmutekk%2Frsrem" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smutekk/rsrem
[INFO] finished tweaking git repo https://github.com/smutekk/rsrem
[INFO] tweaked toml for git repo https://github.com/smutekk/rsrem written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smutekk/rsrem on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smutekk/rsrem 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" "+63132bd615c9bf75e93af8405d00064212331708" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f28f8026fa728036c2dc8c627d8153c69dfe0a4ef2deaecdce6a5d8ebc22296f
[INFO] running `Command { std: "docker" "start" "-a" "f28f8026fa728036c2dc8c627d8153c69dfe0a4ef2deaecdce6a5d8ebc22296f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f28f8026fa728036c2dc8c627d8153c69dfe0a4ef2deaecdce6a5d8ebc22296f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28f8026fa728036c2dc8c627d8153c69dfe0a4ef2deaecdce6a5d8ebc22296f", kill_on_drop: false }`
[INFO] [stdout] f28f8026fa728036c2dc8c627d8153c69dfe0a4ef2deaecdce6a5d8ebc22296f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71d95069f37a9cf3ed7eb61b54c2e1dffd05f20721f4527d6a05d9ee1b6f5c97
[INFO] running `Command { std: "docker" "start" "-a" "71d95069f37a9cf3ed7eb61b54c2e1dffd05f20721f4527d6a05d9ee1b6f5c97", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking clap v4.5.60
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking rsrem v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut stream = TcpStream::connect("{TARGET_IP}");
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_net`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let target_net: String = format!("{TARGET_IP}:{TARGET_PORT}");
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_net`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut stream = TcpStream::connect("{TARGET_IP}");
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut stream = TcpStream::connect("{TARGET_IP}");
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_net`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let target_net: String = format!("{TARGET_IP}:{TARGET_PORT}");
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_net`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut stream = TcpStream::connect("{TARGET_IP}");
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.39s
[INFO] running `Command { std: "docker" "inspect" "71d95069f37a9cf3ed7eb61b54c2e1dffd05f20721f4527d6a05d9ee1b6f5c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d95069f37a9cf3ed7eb61b54c2e1dffd05f20721f4527d6a05d9ee1b6f5c97", kill_on_drop: false }`
[INFO] [stdout] 71d95069f37a9cf3ed7eb61b54c2e1dffd05f20721f4527d6a05d9ee1b6f5c97
