[INFO] fetching crate cryptopals 0.1.0...
[INFO] checking cryptopals-0.1.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate cryptopals 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cryptopals 0.1.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cryptopals 0.1.0
[INFO] finished tweaking crates.io crate cryptopals 0.1.0
[INFO] tweaked toml for crates.io crate cryptopals 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b8e7433216da3603a2126e51f5db2ad202167a1cd4c3d294d8f643754d579a1
[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" "2b8e7433216da3603a2126e51f5db2ad202167a1cd4c3d294d8f643754d579a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8e7433216da3603a2126e51f5db2ad202167a1cd4c3d294d8f643754d579a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8e7433216da3603a2126e51f5db2ad202167a1cd4c3d294d8f643754d579a1", kill_on_drop: false }`
[INFO] [stdout] 2b8e7433216da3603a2126e51f5db2ad202167a1cd4c3d294d8f643754d579a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aea1e8ab540f5e5c5f6549b49dcfba7b5a4022b17d2abcb9f1ea39a000208dc
[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" "8aea1e8ab540f5e5c5f6549b49dcfba7b5a4022b17d2abcb9f1ea39a000208dc", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `to_bytes`
[INFO] [stdout]  --> src/basics.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn to_bytes(hex: &String) -> Vec<u8> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_hex`
[INFO] [stdout]   --> src/basics.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn to_hex(bytes: Vec<u8>) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_base64`
[INFO] [stdout]   --> src/basics.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn hex_to_base64(hex: &String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `xor`
[INFO] [stdout]   --> src/basics.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn xor(a: &Vec<u8>, b: &Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "8aea1e8ab540f5e5c5f6549b49dcfba7b5a4022b17d2abcb9f1ea39a000208dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aea1e8ab540f5e5c5f6549b49dcfba7b5a4022b17d2abcb9f1ea39a000208dc", kill_on_drop: false }`
[INFO] [stdout] 8aea1e8ab540f5e5c5f6549b49dcfba7b5a4022b17d2abcb9f1ea39a000208dc
