[INFO] fetching crate cryptopals 0.1.0...
[INFO] checking cryptopals-0.1.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate cryptopals 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cryptopals 0.1.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f416477083949ca6f5618535b309a1dc8a68153a90bfd6582f365372cfb2f164
[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" "f416477083949ca6f5618535b309a1dc8a68153a90bfd6582f365372cfb2f164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f416477083949ca6f5618535b309a1dc8a68153a90bfd6582f365372cfb2f164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f416477083949ca6f5618535b309a1dc8a68153a90bfd6582f365372cfb2f164", kill_on_drop: false }`
[INFO] [stdout] f416477083949ca6f5618535b309a1dc8a68153a90bfd6582f365372cfb2f164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e592c01f9b1e3ba0948b81cd4fe41f5ba02c673a96f7df9b31b6734cfc65adc
[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" "0e592c01f9b1e3ba0948b81cd4fe41f5ba02c673a96f7df9b31b6734cfc65adc", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking safemem v0.2.0
[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 1.64s
[INFO] running `Command { std: "docker" "inspect" "0e592c01f9b1e3ba0948b81cd4fe41f5ba02c673a96f7df9b31b6734cfc65adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e592c01f9b1e3ba0948b81cd4fe41f5ba02c673a96f7df9b31b6734cfc65adc", kill_on_drop: false }`
[INFO] [stdout] 0e592c01f9b1e3ba0948b81cd4fe41f5ba02c673a96f7df9b31b6734cfc65adc