[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#453ceafce32ef8108c604bca5e165ab41d3d6d8c for pr-124187
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Farc-cell" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbqsrc/arc-cell on toolchain 453ceafce32ef8108c604bca5e165ab41d3d6d8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking bbqsrc/arc-cell against try#773c42f0166e62a538b8fa36161b0c6df69a9640 for pr-124187
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Farc-cell" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbqsrc/arc-cell on toolchain 773c42f0166e62a538b8fa36161b0c6df69a9640
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[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-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking bbqsrc/arc-cell against try#773c42f0166e62a538b8fa36161b0c6df69a9640 for pr-124187
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbqsrc%2Farc-cell" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbqsrc/arc-cell on toolchain 773c42f0166e62a538b8fa36161b0c6df69a9640
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[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-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9538e445b898206875bbd97547d96f88f9294b8d0cd882ac7b481c4ec7f7c1cc
[INFO] running `Command { std: "docker" "start" "-a" "9538e445b898206875bbd97547d96f88f9294b8d0cd882ac7b481c4ec7f7c1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9538e445b898206875bbd97547d96f88f9294b8d0cd882ac7b481c4ec7f7c1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9538e445b898206875bbd97547d96f88f9294b8d0cd882ac7b481c4ec7f7c1cc", kill_on_drop: false }`
[INFO] [stdout] 9538e445b898206875bbd97547d96f88f9294b8d0cd882ac7b481c4ec7f7c1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e117182616a0eb475818dbf57c7f1bb15c5283bdf9c90b8f7d012baaae1479b
[INFO] running `Command { std: "docker" "start" "-a" "9e117182616a0eb475818dbf57c7f1bb15c5283bdf9c90b8f7d012baaae1479b", 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: `AtomicU32`
[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: `AtomicU32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `integer_atomics`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_atomics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `integer_atomics`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_atomics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc-cell` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc-cell` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "9e117182616a0eb475818dbf57c7f1bb15c5283bdf9c90b8f7d012baaae1479b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e117182616a0eb475818dbf57c7f1bb15c5283bdf9c90b8f7d012baaae1479b", kill_on_drop: false }`
[INFO] [stdout] 9e117182616a0eb475818dbf57c7f1bb15c5283bdf9c90b8f7d012baaae1479b