[INFO] fetching crate punching_client 0.1.1...
[INFO] checking punching_client-0.1.1 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate punching_client 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate punching_client 0.1.1 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate punching_client 0.1.1
[INFO] finished tweaking crates.io crate punching_client 0.1.1
[INFO] tweaked toml for crates.io crate punching_client 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded punching_server v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6548370f679c973e417d7cf3713e1d9777b6f70c575ef274a5f9089ecaf52006
[INFO] running `Command { std: "docker" "start" "-a" "6548370f679c973e417d7cf3713e1d9777b6f70c575ef274a5f9089ecaf52006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6548370f679c973e417d7cf3713e1d9777b6f70c575ef274a5f9089ecaf52006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6548370f679c973e417d7cf3713e1d9777b6f70c575ef274a5f9089ecaf52006", kill_on_drop: false }`
[INFO] [stdout] 6548370f679c973e417d7cf3713e1d9777b6f70c575ef274a5f9089ecaf52006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b3f2ae84fc26375c1fdc88bbc2ac8975252344b760fc13a09748b7317fc69d
[INFO] running `Command { std: "docker" "start" "-a" "38b3f2ae84fc26375c1fdc88bbc2ac8975252344b760fc13a09748b7317fc69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling async-io v1.9.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ctor v0.1.23
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-global-executor v2.3.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking punching_server v0.1.1
[INFO] [stderr]     Checking punching_client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `to_owned` that must be used
[INFO] [stdout]   --> src/cli/rec_p2p.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         map.remove(&(self.session, self.max)).unwrap().to_owned();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: cloning is often expensive and is not expected to have side effects
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `to_owned` that must be used
[INFO] [stdout]   --> src/cli/rec_p2p.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         map.remove(&(self.session, self.max)).unwrap().to_owned();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: cloning is often expensive and is not expected to have side effects
[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 [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `Command { std: "docker" "inspect" "38b3f2ae84fc26375c1fdc88bbc2ac8975252344b760fc13a09748b7317fc69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b3f2ae84fc26375c1fdc88bbc2ac8975252344b760fc13a09748b7317fc69d", kill_on_drop: false }`
[INFO] [stdout] 38b3f2ae84fc26375c1fdc88bbc2ac8975252344b760fc13a09748b7317fc69d