[INFO] fetching crate unmp-protocol-raw 0.7.1...
[INFO] checking unmp-protocol-raw-0.7.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate unmp-protocol-raw 0.7.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate unmp-protocol-raw 0.7.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unmp-protocol-raw 0.7.1
[INFO] finished tweaking crates.io crate unmp-protocol-raw 0.7.1
[INFO] tweaked toml for crates.io crate unmp-protocol-raw 0.7.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding atomic v0.5.3 (latest: v0.6.0)
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.15.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding fixed-queue v0.3.11 (latest: v0.5.1)
[INFO] [stderr]       Adding futures-intrusive v0.4.2 (latest: v0.5.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-queue v0.3.11
[INFO] [stderr]   Downloaded unmp-id v2.0.0
[INFO] [stderr]   Downloaded unmp-link v0.7.0
[INFO] [stderr]   Downloaded unmp v0.7.3
[INFO] [stderr]   Downloaded ach-mpmc v0.2.0
[INFO] [stderr]   Downloaded task-stream v0.3.7
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 974a1a533cccbd5e93f429071be8a6c75f8769e369efeb221a919d49bbf37adc
[INFO] running `Command { std: "docker" "start" "-a" "974a1a533cccbd5e93f429071be8a6c75f8769e369efeb221a919d49bbf37adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "974a1a533cccbd5e93f429071be8a6c75f8769e369efeb221a919d49bbf37adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974a1a533cccbd5e93f429071be8a6c75f8769e369efeb221a919d49bbf37adc", kill_on_drop: false }`
[INFO] [stdout] 974a1a533cccbd5e93f429071be8a6c75f8769e369efeb221a919d49bbf37adc
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4f60e3b823ec34a35b005d783c9ecde912ef72ab0d96251820fba66d9dd46f9
[INFO] running `Command { std: "docker" "start" "-a" "a4f60e3b823ec34a35b005d783c9ecde912ef72ab0d96251820fba66d9dd46f9", kill_on_drop: false }`
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking fixed-queue v0.3.11
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking unmp-id v2.0.0
[INFO] [stderr]     Checking futures-intrusive v0.4.2
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking ach-ring v0.1.9
[INFO] [stderr]     Checking ach-mpmc v0.2.0
[INFO] [stderr]     Checking unmp-link v0.7.0
[INFO] [stderr]     Checking task-stream v0.3.7
[INFO] [stderr]     Checking unmp v0.7.3
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unmp-0.7.3/src/net/history.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn add(&self, packet: &Packet) -> bool {
[INFO] [stdout]    |                                           ---- expected `bool` because of return type
[INFO] [stdout] 39 |         let new_log = Log::new(packet);
[INFO] [stdout] 40 |         self.inner.insert(new_log)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
[INFO] [stdout]    |
[INFO] [stdout] note: method `insert` modifies its receiver in-place
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unmp-0.7.3/src/net/history.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.inner.insert(new_log)
[INFO] [stdout]    |                    ^^^^^^ this call modifies its receiver in-place
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unmp` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a4f60e3b823ec34a35b005d783c9ecde912ef72ab0d96251820fba66d9dd46f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f60e3b823ec34a35b005d783c9ecde912ef72ab0d96251820fba66d9dd46f9", kill_on_drop: false }`
[INFO] [stdout] a4f60e3b823ec34a35b005d783c9ecde912ef72ab0d96251820fba66d9dd46f9
[INFO] checking unmp-protocol-raw-0.7.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate unmp-protocol-raw 0.7.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate unmp-protocol-raw 0.7.1 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unmp-protocol-raw 0.7.1
[INFO] finished tweaking crates.io crate unmp-protocol-raw 0.7.1
[INFO] tweaked toml for crates.io crate unmp-protocol-raw 0.7.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding atomic v0.5.3 (latest: v0.6.0)
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.15.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding fixed-queue v0.3.11 (latest: v0.5.1)
[INFO] [stderr]       Adding futures-intrusive v0.4.2 (latest: v0.5.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f951ad191a4a88b6bae241cc45bbe4fd1ce69f5cc18d69b32159c31f708a72b
[INFO] running `Command { std: "docker" "start" "-a" "8f951ad191a4a88b6bae241cc45bbe4fd1ce69f5cc18d69b32159c31f708a72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f951ad191a4a88b6bae241cc45bbe4fd1ce69f5cc18d69b32159c31f708a72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f951ad191a4a88b6bae241cc45bbe4fd1ce69f5cc18d69b32159c31f708a72b", kill_on_drop: false }`
[INFO] [stdout] 8f951ad191a4a88b6bae241cc45bbe4fd1ce69f5cc18d69b32159c31f708a72b
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 188556965b01311350d15b6505063d747feb04a2f3fdd1c182e69fe5e0e9e7f4
[INFO] running `Command { std: "docker" "start" "-a" "188556965b01311350d15b6505063d747feb04a2f3fdd1c182e69fe5e0e9e7f4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "188556965b01311350d15b6505063d747feb04a2f3fdd1c182e69fe5e0e9e7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188556965b01311350d15b6505063d747feb04a2f3fdd1c182e69fe5e0e9e7f4", kill_on_drop: false }`
[INFO] [stdout] 188556965b01311350d15b6505063d747feb04a2f3fdd1c182e69fe5e0e9e7f4