[INFO] cloning repository https://github.com/pysel/dolev-strong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pysel/dolev-strong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpysel%2Fdolev-strong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpysel%2Fdolev-strong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e24ae7565946e8c4b43133016d4ff05a58732b0b
[INFO] checking pysel/dolev-strong against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpysel%2Fdolev-strong" "/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/pysel/dolev-strong on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pysel/dolev-strong
[INFO] finished tweaking git repo https://github.com/pysel/dolev-strong
[INFO] tweaked toml for git repo https://github.com/pysel/dolev-strong written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pysel/dolev-strong 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flock v0.2.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dbf593c0d29a5b3904e10c6c3f156a9aadcfa1646c6676cbf863870ba447131
[INFO] running `Command { std: "docker" "start" "-a" "7dbf593c0d29a5b3904e10c6c3f156a9aadcfa1646c6676cbf863870ba447131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbf593c0d29a5b3904e10c6c3f156a9aadcfa1646c6676cbf863870ba447131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbf593c0d29a5b3904e10c6c3f156a9aadcfa1646c6676cbf863870ba447131", kill_on_drop: false }`
[INFO] [stdout] 7dbf593c0d29a5b3904e10c6c3f156a9aadcfa1646c6676cbf863870ba447131
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92ef574bd98aa4ae2eb06f8a297754af8a6394ee2b3adc325df686b54d99946
[INFO] running `Command { std: "docker" "start" "-a" "f92ef574bd98aa4ae2eb06f8a297754af8a6394ee2b3adc325df686b54d99946", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling protobuf v3.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking flock v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking protobuf-support v3.3.0
[INFO] [stderr]     Checking prost v0.12.3
[INFO] [stderr]     Checking pbjson v0.6.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking dolev-strong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/consensus/protocol/convincing.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConsensusMsgReceivedTuple<'a>(pub &'a Peer, pub Option<ConsensusMsgReceived>);
[INFO] [stdout]   |            -------------------------     ^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConsensusMsgReceivedTuple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConsensusMsgReceivedTuple<'a>((), pub Option<ConsensusMsgReceived>);
[INFO] [stdout]   |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/consensus/protocol/convincing.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConsensusMsgReceivedTuple<'a>(pub &'a Peer, pub Option<ConsensusMsgReceived>);
[INFO] [stdout]   |            -------------------------     ^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConsensusMsgReceivedTuple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ConsensusMsgReceivedTuple<'a>((), pub Option<ConsensusMsgReceived>);
[INFO] [stdout]   |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "f92ef574bd98aa4ae2eb06f8a297754af8a6394ee2b3adc325df686b54d99946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92ef574bd98aa4ae2eb06f8a297754af8a6394ee2b3adc325df686b54d99946", kill_on_drop: false }`
[INFO] [stdout] f92ef574bd98aa4ae2eb06f8a297754af8a6394ee2b3adc325df686b54d99946