[INFO] fetching crate os_bootinfo 0.2.1...
[INFO] checking os_bootinfo-0.2.1 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate os_bootinfo 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate os_bootinfo 0.2.1 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate os_bootinfo 0.2.1
[INFO] finished tweaking crates.io crate os_bootinfo 0.2.1
[INFO] tweaked toml for crates.io crate os_bootinfo 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af103b8ccae6ff29366087c602fd5f59e4fc27228bf06b6d5803ae3e51b609ce
[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" "af103b8ccae6ff29366087c602fd5f59e4fc27228bf06b6d5803ae3e51b609ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af103b8ccae6ff29366087c602fd5f59e4fc27228bf06b6d5803ae3e51b609ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af103b8ccae6ff29366087c602fd5f59e4fc27228bf06b6d5803ae3e51b609ce", kill_on_drop: false }`
[INFO] [stdout] af103b8ccae6ff29366087c602fd5f59e4fc27228bf06b6d5803ae3e51b609ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8249261e2cdd364955d9363633abffbcce14b41ac1a56f2c69b50857cea0f71
[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" "e8249261e2cdd364955d9363633abffbcce14b41ac1a56f2c69b50857cea0f71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking os_bootinfo v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `_improper_ctypes_check` redeclared with a different signature
[INFO] [stdout]    --> src/lib.rs:37:5
[INFO] [stdout]     |
[INFO] [stdout] 37  |     fn _improper_ctypes_check(_boot_info: BootInfo);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/memory_map.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn _improper_ctypes_check(_boot_info: MemoryMap);
[INFO] [stdout]     |     ------------------------------------------------- `_improper_ctypes_check` previously declared here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(memory_map::MemoryMap)`
[INFO] [stdout]                found `unsafe extern "C" fn(BootInfo)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `_improper_ctypes_check` redeclared with a different signature
[INFO] [stdout]    --> src/lib.rs:37:5
[INFO] [stdout]     |
[INFO] [stdout] 37  |     fn _improper_ctypes_check(_boot_info: BootInfo);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/memory_map.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn _improper_ctypes_check(_boot_info: MemoryMap);
[INFO] [stdout]     |     ------------------------------------------------- `_improper_ctypes_check` previously declared here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(memory_map::MemoryMap)`
[INFO] [stdout]                found `unsafe extern "C" fn(BootInfo)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "e8249261e2cdd364955d9363633abffbcce14b41ac1a56f2c69b50857cea0f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8249261e2cdd364955d9363633abffbcce14b41ac1a56f2c69b50857cea0f71", kill_on_drop: false }`
[INFO] [stdout] e8249261e2cdd364955d9363633abffbcce14b41ac1a56f2c69b50857cea0f71