[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] checking chenyangzhi88/practise against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenyangzhi88%2Fpractise" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenyangzhi88/practise on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chenyangzhi88/practise 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c644f5ed2bdabc8ba5e239f633ed2997847c4fb4d541dfb7404943a3bf384cc
[INFO] running `Command { std: "docker" "start" "-a" "0c644f5ed2bdabc8ba5e239f633ed2997847c4fb4d541dfb7404943a3bf384cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c644f5ed2bdabc8ba5e239f633ed2997847c4fb4d541dfb7404943a3bf384cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c644f5ed2bdabc8ba5e239f633ed2997847c4fb4d541dfb7404943a3bf384cc", kill_on_drop: false }`
[INFO] [stdout] 0c644f5ed2bdabc8ba5e239f633ed2997847c4fb4d541dfb7404943a3bf384cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3065c5fa01654d7c671c2908ba7e96839a1af57d4b4cd0277a935d3a9d5f573f
[INFO] running `Command { std: "docker" "start" "-a" "3065c5fa01654d7c671c2908ba7e96839a1af57d4b4cd0277a935d3a9d5f573f", kill_on_drop: false }`
[INFO] [stderr]     Checking 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[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[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] Some errors have detailed explanations: E0063, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `practise` (bin "practise") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `practise` (bin "practise" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3065c5fa01654d7c671c2908ba7e96839a1af57d4b4cd0277a935d3a9d5f573f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3065c5fa01654d7c671c2908ba7e96839a1af57d4b4cd0277a935d3a9d5f573f", kill_on_drop: false }`
[INFO] [stdout] 3065c5fa01654d7c671c2908ba7e96839a1af57d4b4cd0277a935d3a9d5f573f