[INFO] fetching crate atomic 0.6.0...
[INFO] checking atomic-0.6.0 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate atomic 0.6.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate atomic 0.6.0 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic 0.6.0
[INFO] finished tweaking crates.io crate atomic 0.6.0
[INFO] tweaked toml for crates.io crate atomic 0.6.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--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 bytemuck v1.15.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2925d4e86dd9c541a641d6ebb17f8d7a320cc08ae56f7d860ad1a1a79f87913
[INFO] running `Command { std: "docker" "start" "-a" "e2925d4e86dd9c541a641d6ebb17f8d7a320cc08ae56f7d860ad1a1a79f87913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2925d4e86dd9c541a641d6ebb17f8d7a320cc08ae56f7d860ad1a1a79f87913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2925d4e86dd9c541a641d6ebb17f8d7a320cc08ae56f7d860ad1a1a79f87913", kill_on_drop: false }`
[INFO] [stdout] e2925d4e86dd9c541a641d6ebb17f8d7a320cc08ae56f7d860ad1a1a79f87913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15cb84cac2654dd7f3d2edd5079a1a6004179a904b9478b1f4d5a6d6ebb98aa2
[INFO] running `Command { std: "docker" "start" "-a" "15cb84cac2654dd7f3d2edd5079a1a6004179a904b9478b1f4d5a6d6ebb98aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking atomic v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "15cb84cac2654dd7f3d2edd5079a1a6004179a904b9478b1f4d5a6d6ebb98aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cb84cac2654dd7f3d2edd5079a1a6004179a904b9478b1f4d5a6d6ebb98aa2", kill_on_drop: false }`
[INFO] [stdout] 15cb84cac2654dd7f3d2edd5079a1a6004179a904b9478b1f4d5a6d6ebb98aa2