[INFO] cloning repository https://github.com/tadovas/tak-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tadovas/tak-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadovas%2Ftak-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadovas%2Ftak-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e892076342161c65dc6b1be69a30551ca889832
[INFO] checking tadovas/tak-rs against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadovas%2Ftak-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tadovas/tak-rs
[INFO] finished tweaking git repo https://github.com/tadovas/tak-rs
[INFO] tweaked toml for git repo https://github.com/tadovas/tak-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tadovas/tak-rs on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tadovas/tak-rs 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded rusticata-macros v4.1.0
[INFO] [stderr]   Downloaded asn1-rs-impl v0.1.0
[INFO] [stderr]   Downloaded oid-registry v0.6.1
[INFO] [stderr]   Downloaded pem v3.0.3
[INFO] [stderr]   Downloaded rxml_validation v0.9.1
[INFO] [stderr]   Downloaded tikv-jemallocator v0.6.1
[INFO] [stderr]   Downloaded rustls-pki-types v1.0.1
[INFO] [stderr]   Downloaded asn1-rs v0.5.2
[INFO] [stderr]   Downloaded minidom v0.15.2
[INFO] [stderr]   Downloaded tokio-rustls v0.25.0
[INFO] [stderr]   Downloaded rcgen v0.12.0
[INFO] [stderr]   Downloaded rxml v0.9.1
[INFO] [stderr]   Downloaded x509-parser v0.15.1
[INFO] [stderr]   Downloaded serde v1.0.195
[INFO] [stderr]   Downloaded der-parser v8.2.0
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded serde_derive v1.0.195
[INFO] [stderr]   Downloaded rustls-webpki v0.102.0
[INFO] [stderr]   Downloaded yasna v0.5.2
[INFO] [stderr]   Downloaded rustls-pemfile v2.0.0
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded displaydoc v0.2.4
[INFO] [stderr]   Downloaded asn1-rs-derive v0.4.0
[INFO] [stderr]   Downloaded rustls v0.22.1
[INFO] [stderr]   Downloaded tokio v1.35.0
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.6.1+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2b0e626010bfbe00fc8403d29be2c94352d1e5cc2497728fd9fd832dacdd003
[INFO] running `Command { std: "docker" "start" "-a" "e2b0e626010bfbe00fc8403d29be2c94352d1e5cc2497728fd9fd832dacdd003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2b0e626010bfbe00fc8403d29be2c94352d1e5cc2497728fd9fd832dacdd003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b0e626010bfbe00fc8403d29be2c94352d1e5cc2497728fd9fd832dacdd003", kill_on_drop: false }`
[INFO] [stdout] e2b0e626010bfbe00fc8403d29be2c94352d1e5cc2497728fd9fd832dacdd003
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea637b2ee1e7565391a67321bcc4669b1a3fc6dbb4c04c1cab51dc12016f0f1
[INFO] running `Command { std: "docker" "start" "-a" "2ea637b2ee1e7565391a67321bcc4669b1a3fc6dbb4c04c1cab51dc12016f0f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking rustls-pki-types v1.0.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking futures-channel v0.3.29
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustls v0.22.1
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking rxml_validation v0.9.1
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking pem v3.0.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking rustls-pemfile v2.0.0
[INFO] [stderr]     Checking rxml v0.9.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking minidom v0.15.2
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling tikv-jemalloc-sys v0.6.1+5.3.0-1-ge13ca993e8ccb9ba9847cc330696e02839f328f7
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling asn1-rs-impl v0.1.0
[INFO] [stderr]    Compiling asn1-rs-derive v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking asn1-rs v0.5.2
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking rustls-webpki v0.102.0
[INFO] [stderr]     Checking rcgen v0.12.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking der-parser v8.2.0
[INFO] [stderr]     Checking x509-parser v0.15.1
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tikv-jemallocator v0.6.1
[INFO] [stderr]     Checking tak-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (mut frame_writer, mut frame_stream) = frames.split();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (mut frame_writer, mut frame_stream) = frames.split();
[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: `frame_writer`
[INFO] [stdout]   --> src/client.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (mut frame_writer, mut frame_stream) = frames.split();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_writer`
[INFO] [stdout]   --> src/client.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (mut frame_writer, mut frame_stream) = frames.split();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "2ea637b2ee1e7565391a67321bcc4669b1a3fc6dbb4c04c1cab51dc12016f0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea637b2ee1e7565391a67321bcc4669b1a3fc6dbb4c04c1cab51dc12016f0f1", kill_on_drop: false }`
[INFO] [stdout] 2ea637b2ee1e7565391a67321bcc4669b1a3fc6dbb4c04c1cab51dc12016f0f1