[INFO] fetching crate allocator-suite 0.1.6...
[INFO] checking allocator-suite-0.1.6 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate allocator-suite 0.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate allocator-suite 0.1.6 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate allocator-suite 0.1.6
[INFO] finished tweaking crates.io crate allocator-suite 0.1.6
[INFO] tweaked toml for crates.io crate allocator-suite 0.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate allocator-suite 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dc276e891e0227c9098faf5440df1ee4a44189b8d9d0b4f60c9ac86f18cc67f
[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" "7dc276e891e0227c9098faf5440df1ee4a44189b8d9d0b4f60c9ac86f18cc67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dc276e891e0227c9098faf5440df1ee4a44189b8d9d0b4f60c9ac86f18cc67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc276e891e0227c9098faf5440df1ee4a44189b8d9d0b4f60c9ac86f18cc67f", kill_on_drop: false }`
[INFO] [stdout] 7dc276e891e0227c9098faf5440df1ee4a44189b8d9d0b4f60c9ac86f18cc67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9481c62071221df394f35f272ef8280243cdc1426ea30c7acfdb197f90adb885
[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" "9481c62071221df394f35f272ef8280243cdc1426ea30c7acfdb197f90adb885", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking allocator-suite v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::extensions::prelude`
[INFO] [stdout]  --> src/allocators/allocator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::extensions::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::extensions::prelude`
[INFO] [stdout]  --> src/allocators/allocator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::extensions::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "9481c62071221df394f35f272ef8280243cdc1426ea30c7acfdb197f90adb885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9481c62071221df394f35f272ef8280243cdc1426ea30c7acfdb197f90adb885", kill_on_drop: false }`
[INFO] [stdout] 9481c62071221df394f35f272ef8280243cdc1426ea30c7acfdb197f90adb885