[INFO] cloning repository https://github.com/me020523/rust-oram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/me020523/rust-oram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme020523%2Frust-oram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme020523%2Frust-oram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 366a6bc4c20ba3a9ee21ab1f28da26c713d22d91
[INFO] checking me020523/rust-oram against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fme020523%2Frust-oram" "/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/me020523/rust-oram on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/me020523/rust-oram
[INFO] finished tweaking git repo https://github.com/me020523/rust-oram
[INFO] tweaked toml for git repo https://github.com/me020523/rust-oram written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/me020523/rust-oram already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b35ccbb8ce5dd68994c82e2de7d69b8eb5cf1cd77c08750043946c2306972c0
[INFO] running `Command { std: "docker" "start" "-a" "7b35ccbb8ce5dd68994c82e2de7d69b8eb5cf1cd77c08750043946c2306972c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b35ccbb8ce5dd68994c82e2de7d69b8eb5cf1cd77c08750043946c2306972c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b35ccbb8ce5dd68994c82e2de7d69b8eb5cf1cd77c08750043946c2306972c0", kill_on_drop: false }`
[INFO] [stdout] 7b35ccbb8ce5dd68994c82e2de7d69b8eb5cf1cd77c08750043946c2306972c0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a4627fc3a625d9aab73c72b160f76973e3623a55ad9e1d77be660be3f3c570
[INFO] running `Command { std: "docker" "start" "-a" "f8a4627fc3a625d9aab73c72b160f76973e3623a55ad9e1d77be660be3f3c570", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rust-oram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut v = Option::None;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let b2 = Block::deserialize(&b.serialize()[..]);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_size`
[INFO] [stdout]   --> src/bucket.rs:46:42
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aes_key`
[INFO] [stdout]   --> src/bucket.rs:46:58
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_aes_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_size`
[INFO] [stdout]   --> src/bucket.rs:47:42
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aes_key`
[INFO] [stdout]   --> src/bucket.rs:47:58
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_aes_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_size`
[INFO] [stdout]   --> src/bucket.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bucket.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, buf: Vec<u8>) {}
[INFO] [stdout]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut v = Option::None;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b2`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let b2 = Block::deserialize(&b.serialize()[..]);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_b2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_size`
[INFO] [stdout]   --> src/bucket.rs:46:42
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aes_key`
[INFO] [stdout]   --> src/bucket.rs:46:58
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_aes_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_size`
[INFO] [stdout]   --> src/bucket.rs:47:42
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aes_key`
[INFO] [stdout]   --> src/bucket.rs:47:58
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |                                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_aes_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_size`
[INFO] [stdout]   --> src/bucket.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/bucket.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, buf: Vec<u8>) {}
[INFO] [stdout]    |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_id`
[INFO] [stdout]   --> src/block.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn with_id(gn: u32) -> Block {
[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: `is_dummy`
[INFO] [stdout]   --> src/block.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_dummy(&self, gn: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/block.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn reset(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_z`
[INFO] [stdout]   --> src/bucket.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_z(z: u8) -> Bucket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_blocks`
[INFO] [stdout]   --> src/bucket.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn reset_blocks(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_encrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_decrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/bucket.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize_to_buffer`
[INFO] [stdout]   --> src/bucket.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, buf: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo_code`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn demo_code() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_id`
[INFO] [stdout]   --> src/block.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn with_id(gn: u32) -> Block {
[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: `is_dummy`
[INFO] [stdout]   --> src/block.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_dummy(&self, gn: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/block.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn reset(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_z`
[INFO] [stdout]   --> src/bucket.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn with_z(z: u8) -> Bucket {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_blocks`
[INFO] [stdout]   --> src/bucket.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn reset_blocks(&mut self, data_size: u32, gn: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_encrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn aes_encrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `aes_decrypt_blocks`
[INFO] [stdout]   --> src/bucket.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn aes_decrypt_blocks(&mut self, data_size: u32, aes_key: &[u8]) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/bucket.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn serialize(&mut self, data_size: u32) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize_to_buffer`
[INFO] [stdout]   --> src/bucket.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn serialize_to_buffer(&mut self, buf: Vec<u8>) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo_code`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn demo_code() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
[INFO] running `Command { std: "docker" "inspect" "f8a4627fc3a625d9aab73c72b160f76973e3623a55ad9e1d77be660be3f3c570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a4627fc3a625d9aab73c72b160f76973e3623a55ad9e1d77be660be3f3c570", kill_on_drop: false }`
[INFO] [stdout] f8a4627fc3a625d9aab73c72b160f76973e3623a55ad9e1d77be660be3f3c570