[INFO] cloning repository https://github.com/luyu6056/rustnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luyu6056/rustnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyu6056%2Frustnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyu6056%2Frustnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7164b23a6f82977a7ad865db846c8fa0db7dbcb3
[INFO] checking luyu6056/rustnet against master#4a2fe4491ea616983a0cf0cbbd145a39768f4e7a for pr-120712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyu6056%2Frustnet" "/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/luyu6056/rustnet on toolchain 4a2fe4491ea616983a0cf0cbbd145a39768f4e7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a2fe4491ea616983a0cf0cbbd145a39768f4e7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luyu6056/rustnet
[INFO] finished tweaking git repo https://github.com/luyu6056/rustnet
[INFO] tweaked toml for git repo https://github.com/luyu6056/rustnet written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luyu6056/rustnet 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" "+4a2fe4491ea616983a0cf0cbbd145a39768f4e7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.1.0
[INFO] [stderr]   Downloaded socket2 v0.5.5
[INFO] [stderr]   Downloaded static_init_macro v1.0.2
[INFO] [stderr]   Downloaded windows-targets v0.48.5
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded atomic-waker v1.1.2
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded gimli v0.28.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.5
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.5
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.5
[INFO] [stderr]   Downloaded tokio v1.33.0
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[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded object v0.32.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded static_init v1.0.3
[INFO] [stderr]   Downloaded backtrace v0.3.69
[INFO] [stderr]   Downloaded bytes v1.5.0
[INFO] [stderr]   Downloaded mio v0.8.9
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded rustc-demangle v0.1.23
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded smallvec v1.10.0
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[INFO] [stderr]   Downloaded miniz_oxide v0.7.1
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded futures-sink v0.3.26
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.38
[INFO] [stderr]   Downloaded thiserror v1.0.38
[INFO] [stderr]   Downloaded hermit-abi v0.3.3
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded wg v0.4.2
[INFO] [stderr]   Downloaded num_cpus v1.16.0
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded slab v0.4.7
[INFO] [stderr]   Downloaded cfg_aliases v0.1.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4a2fe4491ea616983a0cf0cbbd145a39768f4e7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43b533a9f3de0e53cd91539eaed36221e492fd7bebfd62ea30a248467d469584
[INFO] running `Command { std: "docker" "start" "-a" "43b533a9f3de0e53cd91539eaed36221e492fd7bebfd62ea30a248467d469584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b533a9f3de0e53cd91539eaed36221e492fd7bebfd62ea30a248467d469584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b533a9f3de0e53cd91539eaed36221e492fd7bebfd62ea30a248467d469584", kill_on_drop: false }`
[INFO] [stdout] 43b533a9f3de0e53cd91539eaed36221e492fd7bebfd62ea30a248467d469584
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4a2fe4491ea616983a0cf0cbbd145a39768f4e7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdcf448b2f5b01f99901b4f283af16c18e88c4e57aaf7212d672e0f55dc0882c
[INFO] running `Command { std: "docker" "start" "-a" "bdcf448b2f5b01f99901b4f283af16c18e88c4e57aaf7212d672e0f55dc0882c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling static_init_macro v1.0.2
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling static_init v1.0.3
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking wg v0.4.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking futures-executor v0.3.26
[INFO] [stderr]     Checking futures v0.3.26
[INFO] [stderr]     Checking rustnet v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `feature` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/conn.rs:422:49
[INFO] [stdout]     |
[INFO] [stdout] 422 |         Ok(timeout_at(Instant::now() + timeout, feature()).await??)
[INFO] [stdout]     |                                                 ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let mut feature = async move || -> Result<(), NetError> {
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `feature` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/conn.rs:422:49
[INFO] [stdout]     |
[INFO] [stdout] 422 |         Ok(timeout_at(Instant::now() + timeout, feature()).await??)
[INFO] [stdout]     |                                                 ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let mut feature = async move || -> Result<(), NetError> {
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustnet` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustnet` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bdcf448b2f5b01f99901b4f283af16c18e88c4e57aaf7212d672e0f55dc0882c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcf448b2f5b01f99901b4f283af16c18e88c4e57aaf7212d672e0f55dc0882c", kill_on_drop: false }`
[INFO] [stdout] bdcf448b2f5b01f99901b4f283af16c18e88c4e57aaf7212d672e0f55dc0882c