[INFO] cloning repository https://github.com/lazear/kv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lazear/kv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazear%2Fkv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazear%2Fkv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7d5630bf93e2cced8d929d5da6b6c94aa5dfdc3d [INFO] testing lazear/kv against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazear%2Fkv" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lazear/kv on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lazear/kv [INFO] finished tweaking git repo https://github.com/lazear/kv [INFO] tweaked toml for git repo https://github.com/lazear/kv written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/lazear/kv already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4179712d0da5aade9c1392c9a0b938ce63650b9ffab84b9b61c32dbf426e1910 [INFO] running `Command { std: "docker" "start" "-a" "4179712d0da5aade9c1392c9a0b938ce63650b9ffab84b9b61c32dbf426e1910", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4179712d0da5aade9c1392c9a0b938ce63650b9ffab84b9b61c32dbf426e1910", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4179712d0da5aade9c1392c9a0b938ce63650b9ffab84b9b61c32dbf426e1910", kill_on_drop: false }` [INFO] [stdout] 4179712d0da5aade9c1392c9a0b938ce63650b9ffab84b9b61c32dbf426e1910 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f868f0384c43964f9f6a64019e727cc0b6293848c0a4b9b5a8b99be668cd6bae [INFO] running `Command { std: "docker" "start" "-a" "f868f0384c43964f9f6a64019e727cc0b6293848c0a4b9b5a8b99be668cd6bae", kill_on_drop: false }` [INFO] [stderr] Compiling kv v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:106:36 [INFO] [stdout] | [INFO] [stdout] 106 | ) -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:216:37 [INFO] [stdout] | [INFO] [stdout] 216 | ... let mut response: Option = match cmd { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:246:45 [INFO] [stdout] | [INFO] [stdout] 246 | ... if let Some(mut r) = response { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.62s [INFO] running `Command { std: "docker" "inspect" "f868f0384c43964f9f6a64019e727cc0b6293848c0a4b9b5a8b99be668cd6bae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f868f0384c43964f9f6a64019e727cc0b6293848c0a4b9b5a8b99be668cd6bae", kill_on_drop: false }` [INFO] [stdout] f868f0384c43964f9f6a64019e727cc0b6293848c0a4b9b5a8b99be668cd6bae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25eb8c66b01e4c0c1ba82398f86b98b63b500ce7c2dfeb4d924a5133738f383e [INFO] running `Command { std: "docker" "start" "-a" "25eb8c66b01e4c0c1ba82398f86b98b63b500ce7c2dfeb4d924a5133738f383e", kill_on_drop: false }` [INFO] [stderr] Compiling kv v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0425]: cannot find function `encode` in this scope [INFO] [stdout] --> src/parser.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | encode(&Value::Array(vec![ [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:106:36 [INFO] [stdout] | [INFO] [stdout] 106 | ) -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `kv` due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "25eb8c66b01e4c0c1ba82398f86b98b63b500ce7c2dfeb4d924a5133738f383e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25eb8c66b01e4c0c1ba82398f86b98b63b500ce7c2dfeb4d924a5133738f383e", kill_on_drop: false }` [INFO] [stdout] 25eb8c66b01e4c0c1ba82398f86b98b63b500ce7c2dfeb4d924a5133738f383e