[INFO] cloning repository https://github.com/Coderkakaxi/HW3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Coderkakaxi/HW3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderkakaxi%2FHW3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderkakaxi%2FHW3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95cf74c07d3b52982588a4eb6b584d5d8830048f
[INFO] checking Coderkakaxi/HW3 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderkakaxi%2FHW3" "/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/Coderkakaxi/HW3
[INFO] finished tweaking git repo https://github.com/Coderkakaxi/HW3
[INFO] tweaked toml for git repo https://github.com/Coderkakaxi/HW3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Coderkakaxi/HW3 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Coderkakaxi/HW3 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1131efb9b7ee04ac651a3cac73884c8f642c850f89be543eec5e6e5258a0fd68
[INFO] running `Command { std: "docker" "start" "-a" "1131efb9b7ee04ac651a3cac73884c8f642c850f89be543eec5e6e5258a0fd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1131efb9b7ee04ac651a3cac73884c8f642c850f89be543eec5e6e5258a0fd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1131efb9b7ee04ac651a3cac73884c8f642c850f89be543eec5e6e5258a0fd68", kill_on_drop: false }`
[INFO] [stdout] 1131efb9b7ee04ac651a3cac73884c8f642c850f89be543eec5e6e5258a0fd68
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d9e58596a9419dbd98507e7012338a2bc06f803cc550cc6f0d9080aac1e6744
[INFO] running `Command { std: "docker" "start" "-a" "8d9e58596a9419dbd98507e7012338a2bc06f803cc550cc6f0d9080aac1e6744", kill_on_drop: false }`
[INFO] [stderr]     Checking tasks3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `UnsafeCell` in this scope
[INFO] [stdout]   --> src/main.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     value: UnsafeCell<T>,
[INFO] [stdout]    |            ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::cell::UnsafeCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UnsafeCell`
[INFO] [stdout]   --> src/main.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |             value: UnsafeCell::new(value),
[INFO] [stdout]    |                    ^^^^^^^^^^ use of undeclared type `UnsafeCell`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::cell::UnsafeCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `UnsafeCell` in this scope
[INFO] [stdout]   --> src/main.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     value: UnsafeCell<T>,
[INFO] [stdout]    |            ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::cell::UnsafeCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UnsafeCell`
[INFO] [stdout]   --> src/main.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |             value: UnsafeCell::new(value),
[INFO] [stdout]    |                    ^^^^^^^^^^ use of undeclared type `UnsafeCell`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::cell::UnsafeCell;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tasks3` (bin "tasks3" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tasks3` (bin "tasks3") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d9e58596a9419dbd98507e7012338a2bc06f803cc550cc6f0d9080aac1e6744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9e58596a9419dbd98507e7012338a2bc06f803cc550cc6f0d9080aac1e6744", kill_on_drop: false }`
[INFO] [stdout] 8d9e58596a9419dbd98507e7012338a2bc06f803cc550cc6f0d9080aac1e6744
