[INFO] fetching crate punching_client 0.1.1...
[INFO] checking punching_client-0.1.1 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate punching_client 0.1.1 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate punching_client 0.1.1 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v3.11.0
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded punching_server v0.1.1
[INFO] [stderr]   Downloaded blocking v1.6.2
[INFO] [stderr]   Downloaded async-executor v1.14.0
[INFO] [stderr]   Downloaded futures-lite v2.6.1
[INFO] [stderr]   Downloaded async-io v2.6.0
[INFO] [stderr]   Downloaded value-bag v1.12.0
[INFO] [stderr]   Downloaded piper v0.2.5
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded async-global-executor v2.4.1
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed5d75cd35ee6d47790429074ee1b5b3c61697d76bc2849c6c21f814d31e3a8
[INFO] running `Command { std: "docker" "start" "-a" "aed5d75cd35ee6d47790429074ee1b5b3c61697d76bc2849c6c21f814d31e3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed5d75cd35ee6d47790429074ee1b5b3c61697d76bc2849c6c21f814d31e3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed5d75cd35ee6d47790429074ee1b5b3c61697d76bc2849c6c21f814d31e3a8", kill_on_drop: false }`
[INFO] [stdout] aed5d75cd35ee6d47790429074ee1b5b3c61697d76bc2849c6c21f814d31e3a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab3d49ff759c62efa56bd707dc9ca34e56671a81be4a95bd01bdbb921a6981f
[INFO] running `Command { std: "docker" "start" "-a" "bab3d49ff759c62efa56bd707dc9ca34e56671a81be4a95bd01bdbb921a6981f", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]     Checking value-bag v1.12.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]     Checking serde v1.0.228
[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: cloning is often expensive and is not expected to have side effects
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = map.remove(&(self.session, self.max)).unwrap().to_owned();
[INFO] [stdout]    |         +++++++
[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: cloning is often expensive and is not expected to have side effects
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = map.remove(&(self.session, self.max)).unwrap().to_owned();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "bab3d49ff759c62efa56bd707dc9ca34e56671a81be4a95bd01bdbb921a6981f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab3d49ff759c62efa56bd707dc9ca34e56671a81be4a95bd01bdbb921a6981f", kill_on_drop: false }`
[INFO] [stdout] bab3d49ff759c62efa56bd707dc9ca34e56671a81be4a95bd01bdbb921a6981f