[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 try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpysel%2Fdolev-strong" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pysel/dolev-strong on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2460eb1363d14c5bd3adebb297f3980492932663b8f3ef313972e6cbde857f
[INFO] running `Command { std: "docker" "start" "-a" "8c2460eb1363d14c5bd3adebb297f3980492932663b8f3ef313972e6cbde857f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2460eb1363d14c5bd3adebb297f3980492932663b8f3ef313972e6cbde857f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2460eb1363d14c5bd3adebb297f3980492932663b8f3ef313972e6cbde857f", kill_on_drop: false }`
[INFO] [stdout] 8c2460eb1363d14c5bd3adebb297f3980492932663b8f3ef313972e6cbde857f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9176f3bc281a6591277b51829e2b953db54ec24ed110ab6db0650967185de588
[INFO] running `Command { std: "docker" "start" "-a" "9176f3bc281a6591277b51829e2b953db54ec24ed110ab6db0650967185de588", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling protobuf v3.3.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking flock v0.2.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[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: value assigned to `e` is never read
[INFO] [stdout]  --> src/consensus/errors.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ErrReadExact {e: Error},
[INFO] [stdout]   |                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `size` is never read
[INFO] [stdout]   --> src/consensus/errors.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ErrInvalidMsgSize {size: usize},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/consensus/errors.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ErrDeserializing {e: Error},
[INFO] [stdout]    |                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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)]` (part of `#[warn(unused)]`) 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 &'a Peer, pub Option<ConsensusMsgReceived>);
[INFO] [stdout] 4 + pub struct ConsensusMsgReceivedTuple<'a>((), pub Option<ConsensusMsgReceived>);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubkeyBroadcastMsg` is never constructed
[INFO] [stdout]   --> src/prototypes/dolevstrong.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct PubkeyBroadcastMsg {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/communication/message/serde.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 bz.try_into().expect("trying to deserealize consensus message of invalid format")
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/utils/fs.rs:48:79
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let listen_socket: SocketAddr = parse_listen_socket(config_lines.clone(), config_index.try_into().unwrap());
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]  --> src/utils/binary.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let k: i32 = bz[i].try_into().unwrap();
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/consensus/protocol.rs:125:43
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn receive_all_consensus_messages(&self) -> Vec<Vec<ConsensusMsgReceivedTuple>> {
[INFO] [stdout]     |                                           ^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn receive_all_consensus_messages(&self) -> Vec<Vec<ConsensusMsgReceivedTuple<'_>>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dolev-strong` (bin "dolev-strong") due to 3 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]  --> src/consensus/errors.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ErrReadExact {e: Error},
[INFO] [stdout]   |                   ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `size` is never read
[INFO] [stdout]   --> src/consensus/errors.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ErrInvalidMsgSize {size: usize},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/consensus/errors.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ErrDeserializing {e: Error},
[INFO] [stdout]    |                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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)]` (part of `#[warn(unused)]`) 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 &'a Peer, pub Option<ConsensusMsgReceived>);
[INFO] [stdout] 4 + pub struct ConsensusMsgReceivedTuple<'a>((), pub Option<ConsensusMsgReceived>);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PubkeyBroadcastMsg` is never constructed
[INFO] [stdout]   --> src/prototypes/dolevstrong.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct PubkeyBroadcastMsg {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/communication/message/serde.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 bz.try_into().expect("trying to deserealize consensus message of invalid format")
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/utils/fs.rs:48:79
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let listen_socket: SocketAddr = parse_listen_socket(config_lines.clone(), config_index.try_into().unwrap());
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]  --> src/utils/binary.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let k: i32 = bz[i].try_into().unwrap();
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/consensus/protocol.rs:125:43
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn receive_all_consensus_messages(&self) -> Vec<Vec<ConsensusMsgReceivedTuple>> {
[INFO] [stdout]     |                                           ^^^^^             ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn receive_all_consensus_messages(&self) -> Vec<Vec<ConsensusMsgReceivedTuple<'_>>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dolev-strong` (bin "dolev-strong" test) due to 3 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9176f3bc281a6591277b51829e2b953db54ec24ed110ab6db0650967185de588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9176f3bc281a6591277b51829e2b953db54ec24ed110ab6db0650967185de588", kill_on_drop: false }`
[INFO] [stdout] 9176f3bc281a6591277b51829e2b953db54ec24ed110ab6db0650967185de588
