[INFO] cloning repository https://github.com/bbqsrc/arc-cell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbqsrc/arc-cell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Farc-cell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Farc-cell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d029a9f01cf273dd50cf45fc78f3603c1e8883ef
[INFO] checking bbqsrc/arc-cell against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Farc-cell" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbqsrc/arc-cell on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bbqsrc/arc-cell
[INFO] finished tweaking git repo https://github.com/bbqsrc/arc-cell
[INFO] tweaked toml for git repo https://github.com/bbqsrc/arc-cell written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/bbqsrc/arc-cell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4bb6993ee94948852f21446c8b7089271cce2a63dcff5d25c452b332219cf95
[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" "d4bb6993ee94948852f21446c8b7089271cce2a63dcff5d25c452b332219cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bb6993ee94948852f21446c8b7089271cce2a63dcff5d25c452b332219cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bb6993ee94948852f21446c8b7089271cce2a63dcff5d25c452b332219cf95", kill_on_drop: false }`
[INFO] [stdout] d4bb6993ee94948852f21446c8b7089271cce2a63dcff5d25c452b332219cf95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2b0d8ff3ba4692690715fdae783650d4cd8fd021e63fc4a5216bd0c27a76038
[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" "e2b0d8ff3ba4692690715fdae783650d4cd8fd021e63fc4a5216bd0c27a76038", kill_on_drop: false }`
[INFO] [stderr]     Checking arc-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::sync::atomic::AtomicU128`
[INFO] [stdout]  --> src/lib.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::{AtomicU128, Ordering},
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `AtomicU128` in `sync::atomic`
[INFO] [stdout]   |              help: a similar name exists in the module: `AtomicU8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::sync::atomic::AtomicU128`
[INFO] [stdout]  --> src/lib.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::{AtomicU128, Ordering},
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `AtomicU128` in `sync::atomic`
[INFO] [stdout]   |              help: a similar name exists in the module: `AtomicU8`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc-cell`
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e2b0d8ff3ba4692690715fdae783650d4cd8fd021e63fc4a5216bd0c27a76038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b0d8ff3ba4692690715fdae783650d4cd8fd021e63fc4a5216bd0c27a76038", kill_on_drop: false }`
[INFO] [stdout] e2b0d8ff3ba4692690715fdae783650d4cd8fd021e63fc4a5216bd0c27a76038