[INFO] cloning repository https://github.com/conradludgate/r6n
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/r6n" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fr6n", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fr6n'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c42dfc500ac6123ad4c5bbdec3b5861466ca83cf
[INFO] checking conradludgate/r6n against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fr6n" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/conradludgate/r6n
[INFO] finished tweaking git repo https://github.com/conradludgate/r6n
[INFO] tweaked toml for git repo https://github.com/conradludgate/r6n written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/conradludgate/r6n on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/conradludgate/r6n 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b75c8bc03a942b4c1e7c758ae659ebeeb09eb635cbe62c51d9e26758b535479
[INFO] running `Command { std: "docker" "start" "-a" "1b75c8bc03a942b4c1e7c758ae659ebeeb09eb635cbe62c51d9e26758b535479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b75c8bc03a942b4c1e7c758ae659ebeeb09eb635cbe62c51d9e26758b535479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b75c8bc03a942b4c1e7c758ae659ebeeb09eb635cbe62c51d9e26758b535479", kill_on_drop: false }`
[INFO] [stdout] 1b75c8bc03a942b4c1e7c758ae659ebeeb09eb635cbe62c51d9e26758b535479
[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=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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068f80bd1b1c7a35c959044bbd1b2650ee4c53782988588e918170f1ead21964
[INFO] running `Command { std: "docker" "start" "-a" "068f80bd1b1c7a35c959044bbd1b2650ee4c53782988588e918170f1ead21964", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking r6n v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `curve25519_dalek::edwards::CompressedEdwardsY`
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use curve25519_dalek::edwards::CompressedEdwardsY;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BloomFilter` and `Peer`
[INFO] [stdout]  --> src/message.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     bloom::{BloomFilter, PeerBloomFilter},
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 8 |     Peer,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `RoutingTable` is never constructed
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct RoutingTable {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `id` is never used
[INFO] [stdout]   --> src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Peer {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 29 |     fn id(&self) -> PeerId {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host`, `epoch`, `neighbours`, and `routes` are never read
[INFO] [stdout]   --> src/lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct RoutingTable {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 39 |     host: PeerId,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 40 |     epoch: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     neighbours: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 42 |     routes: Vec<Route>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `last_k` are never used
[INFO] [stdout]   --> src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl RoutingTable {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 46 |     fn insert(&mut self, peer: Peer) -> Result<(), Peer> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn last_k(&self, dist: u16) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BlockOperation` is never used
[INFO] [stdout]   --> src/block.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | trait BlockOperation {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `addrs` are never read
[INFO] [stdout]   --> src/block.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct HelloBlock<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 45 |     header: &'a HelloBlockHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 46 |     addrs: Addrs<'a>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_demultiplex` and `get_find_approximate` are never used
[INFO] [stdout]   --> src/message.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Flags {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 23 |     fn get_demultiplex(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn get_find_approximate(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `truncated_origin`, `put_path`, `last_hop_signature`, and `block` are never read
[INFO] [stdout]   --> src/message.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PutMessage<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 66 |     header: &'a PutMessageHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 67 |     truncated_origin: Option<&'a [u8; 32]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     put_path: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 69 |     last_hop_signature: Option<&'a SignatureBytes>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 70 |     block: &'a [u8],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r6n` (lib) due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `curve25519_dalek::edwards::CompressedEdwardsY`
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use curve25519_dalek::edwards::CompressedEdwardsY;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BloomFilter` and `Peer`
[INFO] [stdout]  --> src/message.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     bloom::{BloomFilter, PeerBloomFilter},
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 8 |     Peer,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `RoutingTable` is never constructed
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct RoutingTable {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host`, `epoch`, `neighbours`, and `routes` are never read
[INFO] [stdout]   --> src/lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct RoutingTable {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 39 |     host: PeerId,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 40 |     epoch: Instant,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     neighbours: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 42 |     routes: Vec<Route>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `last_k` are never used
[INFO] [stdout]   --> src/lib.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl RoutingTable {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 46 |     fn insert(&mut self, peer: Peer) -> Result<(), Peer> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn last_k(&self, dist: u16) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BlockOperation` is never used
[INFO] [stdout]   --> src/block.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | trait BlockOperation {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header` and `addrs` are never read
[INFO] [stdout]   --> src/block.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct HelloBlock<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 45 |     header: &'a HelloBlockHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 46 |     addrs: Addrs<'a>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_demultiplex` and `get_find_approximate` are never used
[INFO] [stdout]   --> src/message.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Flags {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 23 |     fn get_demultiplex(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn get_find_approximate(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `truncated_origin`, `put_path`, `last_hop_signature`, and `block` are never read
[INFO] [stdout]   --> src/message.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct PutMessage<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 66 |     header: &'a PutMessageHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 67 |     truncated_origin: Option<&'a [u8; 32]>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     put_path: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 69 |     last_hop_signature: Option<&'a SignatureBytes>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 70 |     block: &'a [u8],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r6n` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "068f80bd1b1c7a35c959044bbd1b2650ee4c53782988588e918170f1ead21964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068f80bd1b1c7a35c959044bbd1b2650ee4c53782988588e918170f1ead21964", kill_on_drop: false }`
[INFO] [stdout] 068f80bd1b1c7a35c959044bbd1b2650ee4c53782988588e918170f1ead21964