[INFO] fetching crate lebe 0.5.1...
[INFO] checking lebe-0.5.1 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate lebe 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lebe 0.5.1 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lebe 0.5.1
[INFO] finished tweaking crates.io crate lebe 0.5.1
[INFO] tweaked toml for crates.io crate lebe 0.5.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8193d6591bf84ed6a20e517b8561706d3608472a7d55f2d2f10e95da02b05cb0
[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" "8193d6591bf84ed6a20e517b8561706d3608472a7d55f2d2f10e95da02b05cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8193d6591bf84ed6a20e517b8561706d3608472a7d55f2d2f10e95da02b05cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8193d6591bf84ed6a20e517b8561706d3608472a7d55f2d2f10e95da02b05cb0", kill_on_drop: false }`
[INFO] [stdout] 8193d6591bf84ed6a20e517b8561706d3608472a7d55f2d2f10e95da02b05cb0
[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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8568a00b4593a2533247a42bfc32d8fa44321c76b11b7468d2cf6561fa6329a4
[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" "8568a00b4593a2533247a42bfc32d8fa44321c76b11b7468d2cf6561fa6329a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lebe v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `COUNT_16`
[INFO] [stdout]   --> benches/benches.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const COUNT_16: usize = COUNT_8 / 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COUNT_64`
[INFO] [stdout]   --> benches/benches.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const COUNT_64: usize = COUNT_8 / 8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "8568a00b4593a2533247a42bfc32d8fa44321c76b11b7468d2cf6561fa6329a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8568a00b4593a2533247a42bfc32d8fa44321c76b11b7468d2cf6561fa6329a4", kill_on_drop: false }`
[INFO] [stdout] 8568a00b4593a2533247a42bfc32d8fa44321c76b11b7468d2cf6561fa6329a4