[INFO] fetching crate bump-allocator 0.1.2...
[INFO] checking bump-allocator-0.1.2 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate bump-allocator 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bump-allocator 0.1.2 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bump-allocator 0.1.2
[INFO] finished tweaking crates.io crate bump-allocator 0.1.2
[INFO] tweaked toml for crates.io crate bump-allocator 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate bump-allocator 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 39c3348948f43fbdf81f58989f5ce92e344731488fc454e2685f8d25617a6018
[INFO] running `Command { std: "docker" "start" "-a" "39c3348948f43fbdf81f58989f5ce92e344731488fc454e2685f8d25617a6018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c3348948f43fbdf81f58989f5ce92e344731488fc454e2685f8d25617a6018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c3348948f43fbdf81f58989f5ce92e344731488fc454e2685f8d25617a6018", kill_on_drop: false }`
[INFO] [stdout] 39c3348948f43fbdf81f58989f5ce92e344731488fc454e2685f8d25617a6018
[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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cca461240111ed880fb827216109dc3b35f55f04203ee98409836df715b3c97
[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" "1cca461240111ed880fb827216109dc3b35f55f04203ee98409836df715b3c97", kill_on_drop: false }`
[INFO] [stderr]     Checking bump-allocator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/malloc_api.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / unsafe extern fn malloc(size: usize) -> *mut u8 {
[INFO] [stdout] 8 | |     LOCAL_ALLOCATOR.alloc(size, size.next_power_of_two())
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^ ABI should be specified here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]   = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/malloc_api.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / unsafe extern fn calloc(num: usize, size: usize) -> *mut u8 {
[INFO] [stdout] 13 | |     let ptr = LOCAL_ALLOCATOR.alloc(size * num, size.next_power_of_two());
[INFO] [stdout] 14 | |     mem_zero(ptr, size);
[INFO] [stdout] 15 | |     ptr
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/malloc_api.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | unsafe extern fn free(_ptr: *mut u8) {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/malloc_api.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / unsafe extern fn realloc(ptr: *mut u8, bytes: usize) -> *mut u8 {
[INFO] [stdout] 23 | |     let new_ptr = malloc(bytes);
[INFO] [stdout] 24 | |
[INFO] [stdout] 25 | |     if !ptr.is_null() && !new_ptr.is_null() {
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |     return new_ptr;
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bump-allocator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/malloc_api.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / unsafe extern fn malloc(size: usize) -> *mut u8 {
[INFO] [stdout] 8 | |     LOCAL_ALLOCATOR.alloc(size, size.next_power_of_two())
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^ ABI should be specified here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]   = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/malloc_api.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / unsafe extern fn calloc(num: usize, size: usize) -> *mut u8 {
[INFO] [stdout] 13 | |     let ptr = LOCAL_ALLOCATOR.alloc(size * num, size.next_power_of_two());
[INFO] [stdout] 14 | |     mem_zero(ptr, size);
[INFO] [stdout] 15 | |     ptr
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/malloc_api.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | unsafe extern fn free(_ptr: *mut u8) {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/malloc_api.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / unsafe extern fn realloc(ptr: *mut u8, bytes: usize) -> *mut u8 {
[INFO] [stdout] 23 | |     let new_ptr = malloc(bytes);
[INFO] [stdout] 24 | |
[INFO] [stdout] 25 | |     if !ptr.is_null() && !new_ptr.is_null() {
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |     return new_ptr;
[INFO] [stdout] 31 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1cca461240111ed880fb827216109dc3b35f55f04203ee98409836df715b3c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cca461240111ed880fb827216109dc3b35f55f04203ee98409836df715b3c97", kill_on_drop: false }`
[INFO] [stdout] 1cca461240111ed880fb827216109dc3b35f55f04203ee98409836df715b3c97