[INFO] cloning repository https://github.com/UnicodingUnicorn/stun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UnicodingUnicorn/stun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Fstun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Fstun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af1c24b3599d17292f1615a6320fd51b661a1692
[INFO] testing UnicodingUnicorn/stun against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Fstun" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UnicodingUnicorn/stun on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UnicodingUnicorn/stun
[INFO] finished tweaking git repo https://github.com/UnicodingUnicorn/stun
[INFO] tweaked toml for git repo https://github.com/UnicodingUnicorn/stun written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/UnicodingUnicorn/stun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded quote v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.2
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 1bdd73976c88a53ac6f2db74b92b2dcf4a0821e8ec56bc1c8bd291f076d85308
[INFO] running `Command { std: "docker" "start" "-a" "1bdd73976c88a53ac6f2db74b92b2dcf4a0821e8ec56bc1c8bd291f076d85308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bdd73976c88a53ac6f2db74b92b2dcf4a0821e8ec56bc1c8bd291f076d85308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdd73976c88a53ac6f2db74b92b2dcf4a0821e8ec56bc1c8bd291f076d85308", kill_on_drop: false }`
[INFO] [stdout] 1bdd73976c88a53ac6f2db74b92b2dcf4a0821e8ec56bc1c8bd291f076d85308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e7aaee2cb3ba57cf878fe8a217c3dc2d866c8b1d04d3616ff96473efffc050
[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" "24e7aaee2cb3ba57cf878fe8a217c3dc2d866c8b1d04d3616ff96473efffc050", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.2
[INFO] [stderr]    Compiling quote v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling stun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handlers/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut body = match &header.mtype {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_address`
[INFO] [stdout]  --> src/attributes/mapped_address.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn with_address(address:SocketAddr) -> MappedAddress {
[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: `with_value`
[INFO] [stdout]  --> src/attributes/username.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn with_value(username:String) -> Username {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_code`
[INFO] [stdout]   --> src/attributes/error_code.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn with_code(code:u16, message:String) -> ErrorCode {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_empty`
[INFO] [stdout]  --> src/attributes/unknown_attributes.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new_empty() -> UnknownAttributes {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/attributes/unknown_attributes.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add(&mut self, attribute:u16) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_value`
[INFO] [stdout]  --> src/attributes/realm.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn with_value(realm:String) -> Realm {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_value`
[INFO] [stdout]  --> src/attributes/nonce.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn with_value(nonce:String) -> Nonce {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_hash`
[INFO] [stdout]  --> src/attributes/message_integrity.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn with_hash(hash:[u8; 20]) -> MessageIntegrity {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.19s
[INFO] running `Command { std: "docker" "inspect" "24e7aaee2cb3ba57cf878fe8a217c3dc2d866c8b1d04d3616ff96473efffc050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e7aaee2cb3ba57cf878fe8a217c3dc2d866c8b1d04d3616ff96473efffc050", kill_on_drop: false }`
[INFO] [stdout] 24e7aaee2cb3ba57cf878fe8a217c3dc2d866c8b1d04d3616ff96473efffc050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4e6fd4184e93a33994696b9d5c5a2cfdabff0e93f4d7d50601b53c813dc0ba7
[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" "d4e6fd4184e93a33994696b9d5c5a2cfdabff0e93f4d7d50601b53c813dc0ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling stun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handlers/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut body = match &header.mtype {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_address`
[INFO] [stdout]  --> src/attributes/mapped_address.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn with_address(address:SocketAddr) -> MappedAddress {
[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: `with_value`
[INFO] [stdout]  --> src/attributes/username.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn with_value(username:String) -> Username {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_code`
[INFO] [stdout]   --> src/attributes/error_code.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn with_code(code:u16, message:String) -> ErrorCode {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_empty`
[INFO] [stdout]  --> src/attributes/unknown_attributes.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new_empty() -> UnknownAttributes {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/attributes/unknown_attributes.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add(&mut self, attribute:u16) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_value`
[INFO] [stdout]  --> src/attributes/realm.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn with_value(realm:String) -> Realm {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_value`
[INFO] [stdout]  --> src/attributes/nonce.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn with_value(nonce:String) -> Nonce {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_hash`
[INFO] [stdout]  --> src/attributes/message_integrity.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn with_hash(hash:[u8; 20]) -> MessageIntegrity {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "d4e6fd4184e93a33994696b9d5c5a2cfdabff0e93f4d7d50601b53c813dc0ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e6fd4184e93a33994696b9d5c5a2cfdabff0e93f4d7d50601b53c813dc0ba7", kill_on_drop: false }`
[INFO] [stdout] d4e6fd4184e93a33994696b9d5c5a2cfdabff0e93f4d7d50601b53c813dc0ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fc4d0ab071f3db074a59433156ad7b1b89b03c9fffef6164937d4d351eb22ac
[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" "5fc4d0ab071f3db074a59433156ad7b1b89b03c9fffef6164937d4d351eb22ac", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/handlers/mod.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut body = match &header.mtype {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_address`
[INFO] [stderr]  --> src/attributes/mapped_address.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn with_address(address:SocketAddr) -> MappedAddress {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_value`
[INFO] [stderr]  --> src/attributes/username.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn with_value(username:String) -> Username {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_code`
[INFO] [stderr]   --> src/attributes/error_code.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn with_code(code:u16, message:String) -> ErrorCode {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_empty`
[INFO] [stderr]  --> src/attributes/unknown_attributes.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn new_empty() -> UnknownAttributes {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/attributes/unknown_attributes.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add(&mut self, attribute:u16) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_value`
[INFO] [stderr]  --> src/attributes/realm.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn with_value(realm:String) -> Realm {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_value`
[INFO] [stderr]  --> src/attributes/nonce.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn with_value(nonce:String) -> Nonce {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_hash`
[INFO] [stderr]  --> src/attributes/message_integrity.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn with_hash(hash:[u8; 20]) -> MessageIntegrity {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stun-0e4a3a4a6712c744
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fc4d0ab071f3db074a59433156ad7b1b89b03c9fffef6164937d4d351eb22ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc4d0ab071f3db074a59433156ad7b1b89b03c9fffef6164937d4d351eb22ac", kill_on_drop: false }`
[INFO] [stdout] 5fc4d0ab071f3db074a59433156ad7b1b89b03c9fffef6164937d4d351eb22ac