[INFO] cloning repository https://github.com/Frixxie/projects-crypto-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Frixxie/projects-crypto-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrixxie%2Fprojects-crypto-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrixxie%2Fprojects-crypto-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13fb3130b9af49f884016dc246b5ed9cc1b724f4
[INFO] checking Frixxie/projects-crypto-rust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrixxie%2Fprojects-crypto-rust" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Frixxie/projects-crypto-rust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Frixxie/projects-crypto-rust
[INFO] finished tweaking git repo https://github.com/Frixxie/projects-crypto-rust
[INFO] tweaked toml for git repo https://github.com/Frixxie/projects-crypto-rust written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/Frixxie/projects-crypto-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c22e6f4c2b900c402afe196fb4cac56f34a2a38497d7d398d38308317b44299
[INFO] running `Command { std: "docker" "start" "-a" "8c22e6f4c2b900c402afe196fb4cac56f34a2a38497d7d398d38308317b44299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c22e6f4c2b900c402afe196fb4cac56f34a2a38497d7d398d38308317b44299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c22e6f4c2b900c402afe196fb4cac56f34a2a38497d7d398d38308317b44299", kill_on_drop: false }`
[INFO] [stdout] 8c22e6f4c2b900c402afe196fb4cac56f34a2a38497d7d398d38308317b44299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c5fe02bab78b434f298ec86151c5cd0614aae5c3e3c6fdcc7ce2bdae3a73e0c
[INFO] running `Command { std: "docker" "start" "-a" "8c5fe02bab78b434f298ec86151c5cd0614aae5c3e3c6fdcc7ce2bdae3a73e0c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `caesar_encrypt`
[INFO] [stdout]   --> src/crypto.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn caesar_encrypt(string: String, key: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `caesar_encrypt`
[INFO] [stdout]   --> src/crypto.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn caesar_encrypt(string: String, key: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "8c5fe02bab78b434f298ec86151c5cd0614aae5c3e3c6fdcc7ce2bdae3a73e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5fe02bab78b434f298ec86151c5cd0614aae5c3e3c6fdcc7ce2bdae3a73e0c", kill_on_drop: false }`
[INFO] [stdout] 8c5fe02bab78b434f298ec86151c5cd0614aae5c3e3c6fdcc7ce2bdae3a73e0c