[INFO] cloning repository https://github.com/0xAAE/rotor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xAAE/rotor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xAAE%2Frotor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xAAE%2Frotor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 440fe11d4da476d5c7e65e00e06547a1c09589d6
[INFO] checking 0xAAE/rotor against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xAAE%2Frotor" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xAAE/rotor on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xAAE/rotor
[INFO] finished tweaking git repo https://github.com/0xAAE/rotor
[INFO] tweaked toml for git repo https://github.com/0xAAE/rotor written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/0xAAE/rotor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stream-cipher v0.7.1
[INFO] [stderr]   Downloaded salsa20 v0.6.0
[INFO] [stderr]   Downloaded crypto_box v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebf44658a1e0e2849d75359e1b230829941002f68f3cffc3a389ba70a78bbb8b
[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" "ebf44658a1e0e2849d75359e1b230829941002f68f3cffc3a389ba70a78bbb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebf44658a1e0e2849d75359e1b230829941002f68f3cffc3a389ba70a78bbb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf44658a1e0e2849d75359e1b230829941002f68f3cffc3a389ba70a78bbb8b", kill_on_drop: false }`
[INFO] [stdout] ebf44658a1e0e2849d75359e1b230829941002f68f3cffc3a389ba70a78bbb8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65bb3186a32ecf30cf434e769c22be20aa90087d400bc2db956d7437cc76dad1
[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" "65bb3186a32ecf30cf434e769c22be20aa90087d400bc2db956d7437cc76dad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking salsa20 v0.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking salsa20 v0.5.2
[INFO] [stderr]     Checking xsalsa20poly1305 v0.4.2
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking crypto_box v0.3.0
[INFO] [stderr]     Checking rotor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]   --> src/data/tree_storage.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Node(NodeMeta, Vec<Element>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/data/tree_storage.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Data(Value),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_child`
[INFO] [stdout]   --> src/data/tree_storage.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn add_child(&mut self, node: Element) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_data`
[INFO] [stdout]   --> src/data/tree_storage.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new_data(title: String, name: Vec<u8>, password: Vec<u8>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_node`
[INFO] [stdout]   --> src/data/tree_storage.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new_node(title: String) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/data/tree_storage.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_node`
[INFO] [stdout]   --> src/data/tree_storage.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn is_node(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_data`
[INFO] [stdout]   --> src/data/tree_storage.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn is_data(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ref_mut`
[INFO] [stdout]   --> src/data/tree_storage.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn get_ref_mut(&mut self, path: &[usize]) -> Option<&mut Element> {
[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 26.47s
[INFO] running `Command { std: "docker" "inspect" "65bb3186a32ecf30cf434e769c22be20aa90087d400bc2db956d7437cc76dad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65bb3186a32ecf30cf434e769c22be20aa90087d400bc2db956d7437cc76dad1", kill_on_drop: false }`
[INFO] [stdout] 65bb3186a32ecf30cf434e769c22be20aa90087d400bc2db956d7437cc76dad1