[INFO] fetching crate aarch64 0.0.4...
[INFO] checking aarch64-0.0.4 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate aarch64 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate aarch64 0.0.4 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aarch64 0.0.4
[INFO] finished tweaking crates.io crate aarch64 0.0.4
[INFO] tweaked toml for crates.io crate aarch64 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tock-registers v0.5.0
[INFO] [stderr]   Downloaded register v0.5.1
[INFO] [stderr]   Downloaded cortex-a v3.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23a9d0cfe481478aa508e0d1351e6f09c9e07f4efc1c26cf1e71bf6e231e9153
[INFO] running `Command { std: "docker" "start" "-a" "23a9d0cfe481478aa508e0d1351e6f09c9e07f4efc1c26cf1e71bf6e231e9153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a9d0cfe481478aa508e0d1351e6f09c9e07f4efc1c26cf1e71bf6e231e9153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a9d0cfe481478aa508e0d1351e6f09c9e07f4efc1c26cf1e71bf6e231e9153", kill_on_drop: false }`
[INFO] [stdout] 23a9d0cfe481478aa508e0d1351e6f09c9e07f4efc1c26cf1e71bf6e231e9153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecf70b5ab63366cc5f4519ff521faa05d6e8ed33af5d9775189ddf75035a1a4a
[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" "ecf70b5ab63366cc5f4519ff521faa05d6e8ed33af5d9775189ddf75035a1a4a", kill_on_drop: false }`
[INFO] [stderr]     Checking tock-registers v0.5.0
[INFO] [stderr]     Checking register v0.5.1
[INFO] [stderr]     Checking cortex-a v3.0.4
[INFO] [stderr]     Checking aarch64 v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `align_up`
[INFO] [stdout]   --> src/paging.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn align_up<U>(self, align: U) -> Self
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `align_up`
[INFO] [stdout]   --> src/paging.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn align_up<U>(self, align: U) -> Self
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "ecf70b5ab63366cc5f4519ff521faa05d6e8ed33af5d9775189ddf75035a1a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf70b5ab63366cc5f4519ff521faa05d6e8ed33af5d9775189ddf75035a1a4a", kill_on_drop: false }`
[INFO] [stdout] ecf70b5ab63366cc5f4519ff521faa05d6e8ed33af5d9775189ddf75035a1a4a