[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 try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjht5945%2FminiLock.rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jht5945/miniLock.rs on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "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-2/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/jht5945/rust_util`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded backtrace v0.3.37
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded base58 v0.1.0
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded cc v1.0.45
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0d11651ed2886e7e8ccf758d6839ac52360e7462d8bdda07c46281897fcb19a
[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" "c0d11651ed2886e7e8ccf758d6839ac52360e7462d8bdda07c46281897fcb19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0d11651ed2886e7e8ccf758d6839ac52360e7462d8bdda07c46281897fcb19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d11651ed2886e7e8ccf758d6839ac52360e7462d8bdda07c46281897fcb19a", kill_on_drop: false }`
[INFO] [stdout] c0d11651ed2886e7e8ccf758d6839ac52360e7462d8bdda07c46281897fcb19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fcb5d3c0e8f3dc84dcbaf00ce400f53e6b97ffb642e6860dcafc41a9c166791
[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" "8fcb5d3c0e8f3dc84dcbaf00ce400f53e6b97ffb642e6860dcafc41a9c166791", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[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 rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rust_util v0.1.0 (https://github.com/jht5945/rust_util#c969e39e)
[INFO] [stderr]     Checking mini_lock v0.1.0 (/opt/rustwide/workdir)
[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: 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: `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 10.87s
[INFO] running `Command { std: "docker" "inspect" "8fcb5d3c0e8f3dc84dcbaf00ce400f53e6b97ffb642e6860dcafc41a9c166791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcb5d3c0e8f3dc84dcbaf00ce400f53e6b97ffb642e6860dcafc41a9c166791", kill_on_drop: false }`
[INFO] [stdout] 8fcb5d3c0e8f3dc84dcbaf00ce400f53e6b97ffb642e6860dcafc41a9c166791