[INFO] cloning repository https://github.com/thomasjsk/cryptography-basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasjsk/cryptography-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasjsk%2Fcryptography-basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasjsk%2Fcryptography-basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aec56e79b366e938d2fccedc2af10f280b807fc3
[INFO] checking thomasjsk/cryptography-basics against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasjsk%2Fcryptography-basics" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomasjsk/cryptography-basics on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomasjsk/cryptography-basics
[INFO] finished tweaking git repo https://github.com/thomasjsk/cryptography-basics
[INFO] tweaked toml for git repo https://github.com/thomasjsk/cryptography-basics written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thomasjsk/cryptography-basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking thomasjsk/cryptography-basics against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasjsk%2Fcryptography-basics" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomasjsk/cryptography-basics on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomasjsk/cryptography-basics
[INFO] finished tweaking git repo https://github.com/thomasjsk/cryptography-basics
[INFO] tweaked toml for git repo https://github.com/thomasjsk/cryptography-basics written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thomasjsk/cryptography-basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3494656ac47e5b9e011f0fd0cf6395841a3307dc861b3f5199e2aef10aa77c6b
[INFO] running `Command { std: "docker" "start" "-a" "3494656ac47e5b9e011f0fd0cf6395841a3307dc861b3f5199e2aef10aa77c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3494656ac47e5b9e011f0fd0cf6395841a3307dc861b3f5199e2aef10aa77c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3494656ac47e5b9e011f0fd0cf6395841a3307dc861b3f5199e2aef10aa77c6b", kill_on_drop: false }`
[INFO] [stdout] 3494656ac47e5b9e011f0fd0cf6395841a3307dc861b3f5199e2aef10aa77c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f87a14f0525eb54293a12f513143e6ac0d5ff9c7516d4c64ecc69978aaec1e0e
[INFO] running `Command { std: "docker" "start" "-a" "f87a14f0525eb54293a12f513143e6ac0d5ff9c7516d4c64ecc69978aaec1e0e", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking cryptography-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `extrapolate_key` is never used
[INFO] [stdout]  --> src/one_pad.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn extrapolate_key(base_key: &str, target_len: usize) -> Vec<u8> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cipher` is never used
[INFO] [stdout]   --> src/one_pad.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn cipher(text: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_pad` is never used
[INFO] [stdout]   --> src/one_pad.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn one_pad(plaintext: &str, key: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/one_pad.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extrapolate_key` is never used
[INFO] [stdout]  --> src/one_pad.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn extrapolate_key(base_key: &str, target_len: usize) -> Vec<u8> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cipher` is never used
[INFO] [stdout]   --> src/one_pad.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn cipher(text: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_pad` is never used
[INFO] [stdout]   --> src/one_pad.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn one_pad(plaintext: &str, key: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/one_pad.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "f87a14f0525eb54293a12f513143e6ac0d5ff9c7516d4c64ecc69978aaec1e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87a14f0525eb54293a12f513143e6ac0d5ff9c7516d4c64ecc69978aaec1e0e", kill_on_drop: false }`
[INFO] [stdout] f87a14f0525eb54293a12f513143e6ac0d5ff9c7516d4c64ecc69978aaec1e0e