[INFO] cloning repository https://github.com/megahomyak/keychain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/megahomyak/keychain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmegahomyak%2Fkeychain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmegahomyak%2Fkeychain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55fb032eff82cc81e6ec4cb89ecfcc6e663e3ef4
[INFO] checking megahomyak/keychain against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmegahomyak%2Fkeychain" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/megahomyak/keychain
[INFO] finished tweaking git repo https://github.com/megahomyak/keychain
[INFO] tweaked toml for git repo https://github.com/megahomyak/keychain written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/megahomyak/keychain on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/megahomyak/keychain 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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 626f791eb4139e08e03bbff380c2cd73d0de415a0d5994d4d8bc36b18f1daf06
[INFO] running `Command { std: "docker" "start" "-a" "626f791eb4139e08e03bbff380c2cd73d0de415a0d5994d4d8bc36b18f1daf06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626f791eb4139e08e03bbff380c2cd73d0de415a0d5994d4d8bc36b18f1daf06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626f791eb4139e08e03bbff380c2cd73d0de415a0d5994d4d8bc36b18f1daf06", kill_on_drop: false }`
[INFO] [stdout] 626f791eb4139e08e03bbff380c2cd73d0de415a0d5994d4d8bc36b18f1daf06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c440f56abab82e5725a4e41e83b9aa32fcc3a03395ccc3f3dca53c3950df4fc
[INFO] running `Command { std: "docker" "start" "-a" "2c440f56abab82e5725a4e41e83b9aa32fcc3a03395ccc3f3dca53c3950df4fc", kill_on_drop: false }`
[INFO] [stderr]     Checking keychain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn enc(
[INFO] [stdout]    |    --- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 28 | ) -> Vec<u8> {
[INFO] [stdout]    |      ^^^^^^^ expected `Vec<u8>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<u8>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: consider returning the local binding `input`
[INFO] [stdout]    |
[INFO] [stdout] 28 | ) -> Vec<u8> {
[INFO] [stdout] 29 +     input
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn enc(
[INFO] [stdout]    |    --- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 28 | ) -> Vec<u8> {
[INFO] [stdout]    |      ^^^^^^^ expected `Vec<u8>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<u8>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: consider returning the local binding `input`
[INFO] [stdout]    |
[INFO] [stdout] 28 | ) -> Vec<u8> {
[INFO] [stdout] 29 +     input
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn dec(
[INFO] [stdout]    |    --- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 35 | ) -> Vec<u8> {
[INFO] [stdout]    |      ^^^^^^^ expected `Vec<u8>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<u8>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: consider returning the local binding `input`
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> Vec<u8> {
[INFO] [stdout] 36 +     input
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn dec(
[INFO] [stdout]    |    --- implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 35 | ) -> Vec<u8> {
[INFO] [stdout]    |      ^^^^^^^ expected `Vec<u8>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<u8>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: consider returning the local binding `input`
[INFO] [stdout]    |
[INFO] [stdout] 35 | ) -> Vec<u8> {
[INFO] [stdout] 36 +     input
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut secret: Vec<Vec<String>> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut secret: Vec<Vec<String>> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keychain` (bin "keychain" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `keychain` (bin "keychain") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2c440f56abab82e5725a4e41e83b9aa32fcc3a03395ccc3f3dca53c3950df4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c440f56abab82e5725a4e41e83b9aa32fcc3a03395ccc3f3dca53c3950df4fc", kill_on_drop: false }`
[INFO] [stdout] 2c440f56abab82e5725a4e41e83b9aa32fcc3a03395ccc3f3dca53c3950df4fc
