[INFO] cloning repository https://github.com/jht5945/miniLock.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jht5945/miniLock.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjht5945%2FminiLock.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjht5945%2FminiLock.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 087f35e06ddd63e70677e282d4f2cfe8245af62b
[INFO] checking jht5945/miniLock.rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjht5945%2FminiLock.rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jht5945/miniLock.rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jht5945/miniLock.rs
[INFO] finished tweaking git repo https://github.com/jht5945/miniLock.rs
[INFO] tweaked toml for git repo https://github.com/jht5945/miniLock.rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jht5945/miniLock.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bfef04f3e8e54d965f5e65c30e61dc0f26c205b1038bba617f870d0ebf5a795
[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" "1bfef04f3e8e54d965f5e65c30e61dc0f26c205b1038bba617f870d0ebf5a795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bfef04f3e8e54d965f5e65c30e61dc0f26c205b1038bba617f870d0ebf5a795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfef04f3e8e54d965f5e65c30e61dc0f26c205b1038bba617f870d0ebf5a795", kill_on_drop: false }`
[INFO] [stdout] 1bfef04f3e8e54d965f5e65c30e61dc0f26c205b1038bba617f870d0ebf5a795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] e27f43c3168927817c55b06d077fb5693681517621b6127175edbef243ce9db3
[INFO] running `Command { std: "docker" "start" "-a" "e27f43c3168927817c55b06d077fb5693681517621b6127175edbef243ce9db3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rust_util v0.1.0 (https://github.com/jht5945/rust_util#c969e39e)
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking mini_lock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `encode`
[INFO] [stdout]  --> src/encode.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn encode(src: Vec<u8>) -> XResult<String> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode`
[INFO] [stdout]   --> src/encode.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn decode(src: String) -> XResult<Vec<u8>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode`
[INFO] [stdout]   --> src/encode.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn encode(src: Vec<u8>) -> XResult<String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode`
[INFO] [stdout]   --> src/encode.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn decode(src: String) -> XResult<Vec<u8>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLock`
[INFO] [stdout]   --> src/mini_lock.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct MiniLock {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLockHeaderDecryptInfoFileInfo`
[INFO] [stdout]   --> src/mini_lock.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MiniLockHeaderDecryptInfoFileInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLockHeaderDecryptInfo`
[INFO] [stdout]   --> src/mini_lock.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct MiniLockHeaderDecryptInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLockHeader`
[INFO] [stdout]   --> src/mini_lock.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct MiniLockHeader {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLock`
[INFO] [stdout]   --> src/mini_lock.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct MiniLock {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLockHeaderDecryptInfoFileInfo`
[INFO] [stdout]   --> src/mini_lock.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MiniLockHeaderDecryptInfoFileInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLockHeaderDecryptInfo`
[INFO] [stdout]   --> src/mini_lock.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct MiniLockHeaderDecryptInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MiniLockHeader`
[INFO] [stdout]   --> src/mini_lock.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct MiniLockHeader {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.56s
[INFO] running `Command { std: "docker" "inspect" "e27f43c3168927817c55b06d077fb5693681517621b6127175edbef243ce9db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27f43c3168927817c55b06d077fb5693681517621b6127175edbef243ce9db3", kill_on_drop: false }`
[INFO] [stdout] e27f43c3168927817c55b06d077fb5693681517621b6127175edbef243ce9db3