[INFO] cloning repository https://github.com/alanhoff/rackety [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alanhoff/rackety" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5246599e0f2797789def4f11d1d8cb6b16650a6 [INFO] checking alanhoff/rackety against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falanhoff%2Frackety" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alanhoff/rackety on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alanhoff/rackety [INFO] finished tweaking git repo https://github.com/alanhoff/rackety [INFO] tweaked toml for git repo https://github.com/alanhoff/rackety written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/alanhoff/rackety already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slog-extra v0.1.1 [INFO] [stderr] Downloaded slog v1.3.2 [INFO] [stderr] Downloaded slog-stdlog v1.1.0 [INFO] [stderr] Downloaded slog-stream v1.2.0 [INFO] [stderr] Downloaded slog-term v1.3.3 [INFO] [stderr] Downloaded mio v0.6.1 [INFO] [stderr] Downloaded isatty v0.1.1 [INFO] [stderr] Downloaded context v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba9f294b2588a5d911349a1db1e5f0e6ccf3719a93dd1b6eafd1c50286aa135c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ba9f294b2588a5d911349a1db1e5f0e6ccf3719a93dd1b6eafd1c50286aa135c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba9f294b2588a5d911349a1db1e5f0e6ccf3719a93dd1b6eafd1c50286aa135c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba9f294b2588a5d911349a1db1e5f0e6ccf3719a93dd1b6eafd1c50286aa135c", kill_on_drop: false }` [INFO] [stdout] ba9f294b2588a5d911349a1db1e5f0e6ccf3719a93dd1b6eafd1c50286aa135c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ce6623c546f7c41c10f110ee44ca7a61b599419e3284a17c1e45be7af1ab22a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6ce6623c546f7c41c10f110ee44ca7a61b599419e3284a17c1e45be7af1ab22a", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking slog v1.3.2 [INFO] [stderr] Checking log v0.3.6 [INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.3.2/src/ser.rs:228:6 [INFO] [stdout] | [INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {} [INFO] [stdout] | ---- required by this bound in `SyncSerialize` [INFO] [stdout] ... [INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {} [INFO] [stdout] | ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely [INFO] [stdout] | [INFO] [stdout] = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque` [INFO] [stdout] = note: required because it appears within the type `&'static core::fmt::Opaque` [INFO] [stdout] = note: required because it appears within the type `ArgumentV1<'static>` [INFO] [stdout] = note: required because it appears within the type `[ArgumentV1<'static>]` [INFO] [stdout] = note: required because it appears within the type `&'static [ArgumentV1<'static>]` [INFO] [stdout] = note: required because it appears within the type `Arguments<'static>` [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 `slog` [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6ce6623c546f7c41c10f110ee44ca7a61b599419e3284a17c1e45be7af1ab22a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ce6623c546f7c41c10f110ee44ca7a61b599419e3284a17c1e45be7af1ab22a", kill_on_drop: false }` [INFO] [stdout] 6ce6623c546f7c41c10f110ee44ca7a61b599419e3284a17c1e45be7af1ab22a