[INFO] fetching crate sip_rld 0.3.6...
[INFO] checking sip_rld-0.3.6 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate sip_rld 0.3.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sip_rld 0.3.6 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sip_rld 0.3.6
[INFO] finished tweaking crates.io crate sip_rld 0.3.6
[INFO] tweaked toml for crates.io crate sip_rld 0.3.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sip_rld 0.3.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ff57eb4f367c22d4638949b41f9791419141266edfbde55d21bc4ae64256b76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ff57eb4f367c22d4638949b41f9791419141266edfbde55d21bc4ae64256b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ff57eb4f367c22d4638949b41f9791419141266edfbde55d21bc4ae64256b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff57eb4f367c22d4638949b41f9791419141266edfbde55d21bc4ae64256b76", kill_on_drop: false }`
[INFO] [stdout] 9ff57eb4f367c22d4638949b41f9791419141266edfbde55d21bc4ae64256b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] f25ab7ccc6450f3181002dd667b318f2947547094cfa86750aa33f41e702be61
[INFO] running `Command { std: "docker" "start" "-a" "f25ab7ccc6450f3181002dd667b318f2947547094cfa86750aa33f41e702be61", kill_on_drop: false }`
[INFO] [stderr]     Checking sip_rld v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_to`
[INFO] [stdout]    --> src/lib.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn get_to(&self) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_from`
[INFO] [stdout]    --> src/lib.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn get_from(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `event`
[INFO] [stdout]    --> src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn event(&mut self, event: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accept`
[INFO] [stdout]    --> src/lib.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn accept(&mut self, accept: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content_type`
[INFO] [stdout]    --> src/lib.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn content_type(&mut self, content_type: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contact`
[INFO] [stdout]    --> src/lib.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn contact(&mut self, ext: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `event`
[INFO] [stdout]    --> src/lib.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn event(&mut self, event: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `accept`
[INFO] [stdout]    --> src/lib.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn accept(&mut self, accept: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content_type`
[INFO] [stdout]    --> src/lib.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn content_type(&mut self, content_type: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contact`
[INFO] [stdout]    --> src/lib.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn contact(&mut self, ext: String) -> &mut Message {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f25ab7ccc6450f3181002dd667b318f2947547094cfa86750aa33f41e702be61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25ab7ccc6450f3181002dd667b318f2947547094cfa86750aa33f41e702be61", kill_on_drop: false }`
[INFO] [stdout] f25ab7ccc6450f3181002dd667b318f2947547094cfa86750aa33f41e702be61