[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 master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrixxie%2Fprojects-crypto-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Frixxie/projects-crypto-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80d7df54e099acec6b5b2cfd1d3eb3d07ef82c0a64bff41645bdb636721d4e13
[INFO] running `Command { std: "docker" "start" "-a" "80d7df54e099acec6b5b2cfd1d3eb3d07ef82c0a64bff41645bdb636721d4e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80d7df54e099acec6b5b2cfd1d3eb3d07ef82c0a64bff41645bdb636721d4e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d7df54e099acec6b5b2cfd1d3eb3d07ef82c0a64bff41645bdb636721d4e13", kill_on_drop: false }`
[INFO] [stdout] 80d7df54e099acec6b5b2cfd1d3eb3d07ef82c0a64bff41645bdb636721d4e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b22d08d0f82e2524dc130e402ff6d54a6f0dd11daafba3de75e5b8589a83d47f
[INFO] running `Command { std: "docker" "start" "-a" "b22d08d0f82e2524dc130e402ff6d54a6f0dd11daafba3de75e5b8589a83d47f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[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 regex v1.3.1
[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 7.57s
[INFO] running `Command { std: "docker" "inspect" "b22d08d0f82e2524dc130e402ff6d54a6f0dd11daafba3de75e5b8589a83d47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22d08d0f82e2524dc130e402ff6d54a6f0dd11daafba3de75e5b8589a83d47f", kill_on_drop: false }`
[INFO] [stdout] b22d08d0f82e2524dc130e402ff6d54a6f0dd11daafba3de75e5b8589a83d47f