[INFO] cloning repository https://github.com/mortonar/rust-xmpp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mortonar/rust-xmpp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmortonar%2Frust-xmpp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmortonar%2Frust-xmpp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cda6cd799219163f5ab65b7906b7d551f60f9be8
[INFO] checking mortonar/rust-xmpp-server against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmortonar%2Frust-xmpp-server" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mortonar/rust-xmpp-server on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mortonar/rust-xmpp-server
[INFO] finished tweaking git repo https://github.com/mortonar/rust-xmpp-server
[INFO] tweaked toml for git repo https://github.com/mortonar/rust-xmpp-server written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mortonar/rust-xmpp-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eddf65f707733abe8434e329f4ff49612285eae69ccd6271beb680b0e6b26b8d
[INFO] running `Command { std: "docker" "start" "-a" "eddf65f707733abe8434e329f4ff49612285eae69ccd6271beb680b0e6b26b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eddf65f707733abe8434e329f4ff49612285eae69ccd6271beb680b0e6b26b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddf65f707733abe8434e329f4ff49612285eae69ccd6271beb680b0e6b26b8d", kill_on_drop: false }`
[INFO] [stdout] eddf65f707733abe8434e329f4ff49612285eae69ccd6271beb680b0e6b26b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd52460fca3a53aa791b80893d59b8073dc867de8a8e83d7efc949023f97a46f
[INFO] running `Command { std: "docker" "start" "-a" "bd52460fca3a53aa791b80893d59b8073dc867de8a8e83d7efc949023f97a46f", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking xml-rs v0.6.0
[INFO] [stderr]     Checking rust-xmpp-server v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stanzas`
[INFO] [stdout]  --> src/client_session.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use stanzas;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]   --> src/client_session.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn process_connection(session: &XmppClientSession, tcp_stream: TcpStream) {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]  --> src/stanzas/mod.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse(event: &XmlEvent) -> XMPPData {
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]  --> src/stanzas/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse(event: &XmlEvent) -> XMPPData {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Entity`
[INFO] [stdout]   --> src/stanzas/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Entity {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `XMPPData`
[INFO] [stdout]   --> src/stanzas/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum XMPPData {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StreamOpen`
[INFO] [stdout]   --> src/stanzas/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct StreamOpen {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Features`
[INFO] [stdout]   --> src/stanzas/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Features {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stanzas`
[INFO] [stdout]  --> src/client_session.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use stanzas;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]   --> src/client_session.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn process_connection(session: &XmppClientSession, tcp_stream: TcpStream) {
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]  --> src/stanzas/mod.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse(event: &XmlEvent) -> XMPPData {
[INFO] [stdout]   |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]  --> src/stanzas/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse(event: &XmlEvent) -> XMPPData {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Entity`
[INFO] [stdout]   --> src/stanzas/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Entity {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `XMPPData`
[INFO] [stdout]   --> src/stanzas/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum XMPPData {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `StreamOpen`
[INFO] [stdout]   --> src/stanzas/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct StreamOpen {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Features`
[INFO] [stdout]   --> src/stanzas/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Features {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "bd52460fca3a53aa791b80893d59b8073dc867de8a8e83d7efc949023f97a46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd52460fca3a53aa791b80893d59b8073dc867de8a8e83d7efc949023f97a46f", kill_on_drop: false }`
[INFO] [stdout] bd52460fca3a53aa791b80893d59b8073dc867de8a8e83d7efc949023f97a46f