[INFO] cloning repository https://github.com/chenyangzhi88/practise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenyangzhi88/practise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyangzhi88%2Fpractise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyangzhi88%2Fpractise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21f465a0cfc85598b6405a09d66fc6afb630d6d4
[INFO] testing chenyangzhi88/practise against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyangzhi88%2Fpractise" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chenyangzhi88/practise on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chenyangzhi88/practise
[INFO] finished tweaking git repo https://github.com/chenyangzhi88/practise
[INFO] tweaked toml for git repo https://github.com/chenyangzhi88/practise written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/chenyangzhi88/practise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6478b39ca539c5653907f30b428fa39efa34e4ff1ca601b81050490fab41e8cc
[INFO] running `Command { std: "docker" "start" "-a" "6478b39ca539c5653907f30b428fa39efa34e4ff1ca601b81050490fab41e8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6478b39ca539c5653907f30b428fa39efa34e4ff1ca601b81050490fab41e8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6478b39ca539c5653907f30b428fa39efa34e4ff1ca601b81050490fab41e8cc", kill_on_drop: false }`
[INFO] [stdout] 6478b39ca539c5653907f30b428fa39efa34e4ff1ca601b81050490fab41e8cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46745db5b9a35fe048e8e39ec4c49ca4d0f0460e748975ba7f9909063b28898d
[INFO] running `Command { std: "docker" "start" "-a" "46745db5b9a35fe048e8e39ec4c49ca4d0f0460e748975ba7f9909063b28898d", kill_on_drop: false }`
[INFO] [stderr]    Compiling practise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `lock_id` in this scope
[INFO] [stdout]   --> src/main.rs:72:64
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let writer_i = Writer { content: pair_i, lock: lock_id, cvar: cvar_id};
[INFO] [stdout]    |                                                                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `cvar_id` in this scope
[INFO] [stdout]   --> src/main.rs:72:79
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let writer_i = Writer { content: pair_i, lock: lock_id, cvar: cvar_id};
[INFO] [stdout]    |                                                                               ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `operate_type` in initializer of `Writer`
[INFO] [stdout]   --> src/main.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let writer_i = Writer { content: pair_i, lock: lock_id, cvar: cvar_id};
[INFO] [stdout]    |                                ^^^^^^ missing `operate_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/main.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let key_i = i.to_string();
[INFO] [stdout]    |                             --^^^^^^^^^--
[INFO] [stdout]    |                             | |
[INFO] [stdout]    |                             | cannot infer type for type `{integer}`
[INFO] [stdout]    |                             this method call resolves to `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `{integer}: ToString` found in the `alloc` crate:
[INFO] [stdout]            - impl ToString for i8;
[INFO] [stdout]            - impl ToString for u8;
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `practise` due to 5 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0063, E0283, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46745db5b9a35fe048e8e39ec4c49ca4d0f0460e748975ba7f9909063b28898d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46745db5b9a35fe048e8e39ec4c49ca4d0f0460e748975ba7f9909063b28898d", kill_on_drop: false }`
[INFO] [stdout] 46745db5b9a35fe048e8e39ec4c49ca4d0f0460e748975ba7f9909063b28898d