[INFO] cloning repository https://github.com/sergey-melnychuk/yalskv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sergey-melnychuk/yalskv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fyalskv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fyalskv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a7af4d1378bc611a528fabdc3fcde3130d2f477
[INFO] checking sergey-melnychuk/yalskv against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fyalskv" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sergey-melnychuk/yalskv on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sergey-melnychuk/yalskv
[INFO] finished tweaking git repo https://github.com/sergey-melnychuk/yalskv
[INFO] tweaked toml for git repo https://github.com/sergey-melnychuk/yalskv written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sergey-melnychuk/yalskv 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a02fe111f87fb3b72578fc68afcf0aa8777271c16c7428cd8fbfdd7974fdc5
[INFO] running `Command { std: "docker" "start" "-a" "52a02fe111f87fb3b72578fc68afcf0aa8777271c16c7428cd8fbfdd7974fdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a02fe111f87fb3b72578fc68afcf0aa8777271c16c7428cd8fbfdd7974fdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a02fe111f87fb3b72578fc68afcf0aa8777271c16c7428cd8fbfdd7974fdc5", kill_on_drop: false }`
[INFO] [stdout] 52a02fe111f87fb3b72578fc68afcf0aa8777271c16c7428cd8fbfdd7974fdc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40f0c7a64d69f16aab1db23e2fa50d70a8241befb75dcec3164026031bdc0275
[INFO] running `Command { std: "docker" "start" "-a" "40f0c7a64d69f16aab1db23e2fa50d70a8241befb75dcec3164026031bdc0275", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking yalskv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `self.files` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/lib.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let path = self.id_to_dat_path(&self.id);
[INFO] [stdout]     |                    ---- immutable borrow occurs here
[INFO] [stdout] 122 |         let file = self.files.get_mut(&self.id).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 125 |         *file = StoreFile::make(self.id, &path)?;
[INFO] [stdout]     |                                          ----- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.files` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/lib.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let path = self.id_to_dat_path(&self.id);
[INFO] [stdout]     |                    ---- immutable borrow occurs here
[INFO] [stdout] 122 |         let file = self.files.get_mut(&self.id).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 125 |         *file = StoreFile::make(self.id, &path)?;
[INFO] [stdout]     |                                          ----- immutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0506]: cannot assign to `self.index` because it is borrowed
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let path = self.id_to_dat_path(&self.id);
[INFO] [stdout]     |                    ---- `self.index` is borrowed here
[INFO] [stdout] ...
[INFO] [stdout] 126 |         self.index = merge(file, &mut chunks)?;
[INFO] [stdout]     |         ^^^^^^^^^^ `self.index` is assigned to here but it was already borrowed
[INFO] [stdout] ...
[INFO] [stdout] 131 |     }
[INFO] [stdout]     |     - borrow might be used here, when `path` is dropped and runs the destructor for type `impl AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0506]: cannot assign to `self.index` because it is borrowed
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let path = self.id_to_dat_path(&self.id);
[INFO] [stdout]     |                    ---- `self.index` is borrowed here
[INFO] [stdout] ...
[INFO] [stdout] 126 |         self.index = merge(file, &mut chunks)?;
[INFO] [stdout]     |         ^^^^^^^^^^ `self.index` is assigned to here but it was already borrowed
[INFO] [stdout] ...
[INFO] [stdout] 131 |     }
[INFO] [stdout]     |     - borrow might be used here, when `path` is dropped and runs the destructor for type `impl AsRef<Path>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0502, E0506.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0502, E0506.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yalskv` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `yalskv` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "40f0c7a64d69f16aab1db23e2fa50d70a8241befb75dcec3164026031bdc0275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f0c7a64d69f16aab1db23e2fa50d70a8241befb75dcec3164026031bdc0275", kill_on_drop: false }`
[INFO] [stdout] 40f0c7a64d69f16aab1db23e2fa50d70a8241befb75dcec3164026031bdc0275