[INFO] cloning repository https://github.com/SaarYogev/cipher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaarYogev/cipher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaarYogev%2Fcipher"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaarYogev%2Fcipher'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee80c3f8448acda1a11993b92a50ca5ea7be77d7
[INFO] checking SaarYogev/cipher against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaarYogev%2Fcipher" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaarYogev/cipher on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SaarYogev/cipher
[INFO] finished tweaking git repo https://github.com/SaarYogev/cipher
[INFO] tweaked toml for git repo https://github.com/SaarYogev/cipher written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/SaarYogev/cipher already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd34802f5e86baf7ee00b6ac9e7e36145fc8e78cb44d192fa8b0c39618cdc86c
[INFO] running `"docker" "start" "-a" "fd34802f5e86baf7ee00b6ac9e7e36145fc8e78cb44d192fa8b0c39618cdc86c"`
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]     Checking structopt v0.2.16
[INFO] [stderr]     Checking cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let ciphers_vec: Vec<&CipherType> = vec![&CesarCipher, &FenceCipher];
[INFO] [stderr]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn CipherType`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut ciphers: HashMap<&str, &CipherType> = HashMap::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CipherType`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn cipher(&self, text: &str) -> String{
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let ciphers_vec: Vec<&CipherType> = vec![&CesarCipher, &FenceCipher];
[INFO] [stderr]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn CipherType`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut ciphers: HashMap<&str, &CipherType> = HashMap::new();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CipherType`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `decipher`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     decipher: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn cipher(&self, text: &str) -> String{
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `decipher`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     decipher: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.11s
[INFO] running `"docker" "inspect" "fd34802f5e86baf7ee00b6ac9e7e36145fc8e78cb44d192fa8b0c39618cdc86c"`
[INFO] running `"docker" "rm" "-f" "fd34802f5e86baf7ee00b6ac9e7e36145fc8e78cb44d192fa8b0c39618cdc86c"`
[INFO] [stdout] fd34802f5e86baf7ee00b6ac9e7e36145fc8e78cb44d192fa8b0c39618cdc86c