[INFO] cloning repository https://github.com/SirWindfield/showcase-once_cell-sync [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SirWindfield/showcase-once_cell-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirWindfield%2Fshowcase-once_cell-sync", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirWindfield%2Fshowcase-once_cell-sync'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 33b5f75bc12867882c92f4fc24491a158e8f50ee [INFO] checking SirWindfield/showcase-once_cell-sync against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirWindfield%2Fshowcase-once_cell-sync" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SirWindfield/showcase-once_cell-sync on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SirWindfield/showcase-once_cell-sync [INFO] finished tweaking git repo https://github.com/SirWindfield/showcase-once_cell-sync [INFO] tweaked toml for git repo https://github.com/SirWindfield/showcase-once_cell-sync written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/SirWindfield/showcase-once_cell-sync already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c3c77514f6738efba2964e76667268e2fe4c965a34f7561bc7cc51193488b54 [INFO] running `Command { std: "docker" "start" "-a" "4c3c77514f6738efba2964e76667268e2fe4c965a34f7561bc7cc51193488b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c3c77514f6738efba2964e76667268e2fe4c965a34f7561bc7cc51193488b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c3c77514f6738efba2964e76667268e2fe4c965a34f7561bc7cc51193488b54", kill_on_drop: false }` [INFO] [stdout] 4c3c77514f6738efba2964e76667268e2fe4c965a34f7561bc7cc51193488b54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0e8d922baf5b7168c444356bb96df75941d211955a2bb42e68a2a38aa996b46 [INFO] running `Command { std: "docker" "start" "-a" "c0e8d922baf5b7168c444356bb96df75941d211955a2bb42e68a2a38aa996b46", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling libssh2-sys v0.2.18 [INFO] [stderr] Compiling libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Checking git2 v0.13.8 [INFO] [stderr] Checking tmp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: `UnsafeCell>` cannot be shared between threads safely [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | static REPO: OnceCell = OnceCell::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell>` cannot be shared between threads safely [INFO] [stdout] | [INFO] [stdout] = help: within `once_cell::unsync::OnceCell`, the trait `Sync` is not implemented for `UnsafeCell>` [INFO] [stdout] = note: required because it appears within the type `once_cell::unsync::OnceCell` [INFO] [stdout] = note: shared static variables must have a type that implements `Sync` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tmp` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: `UnsafeCell>` cannot be shared between threads safely [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | static REPO: OnceCell = OnceCell::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `UnsafeCell>` cannot be shared between threads safely [INFO] [stdout] | [INFO] [stdout] = help: within `once_cell::unsync::OnceCell`, the trait `Sync` is not implemented for `UnsafeCell>` [INFO] [stdout] = note: required because it appears within the type `once_cell::unsync::OnceCell` [INFO] [stdout] = note: shared static variables must have a type that implements `Sync` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c0e8d922baf5b7168c444356bb96df75941d211955a2bb42e68a2a38aa996b46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0e8d922baf5b7168c444356bb96df75941d211955a2bb42e68a2a38aa996b46", kill_on_drop: false }` [INFO] [stdout] c0e8d922baf5b7168c444356bb96df75941d211955a2bb42e68a2a38aa996b46