[INFO] fetching crate customasm 0.10.6...
[INFO] checking customasm-0.10.6 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate customasm 0.10.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate customasm 0.10.6 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 customasm 0.10.6
[INFO] finished tweaking crates.io crate customasm 0.10.6
[INFO] tweaked toml for crates.io crate customasm 0.10.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate customasm 0.10.6 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 796aa411e9898c05b101abe0b49a60daf1c540360e10f861f444f945014f6f72
[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" "796aa411e9898c05b101abe0b49a60daf1c540360e10f861f444f945014f6f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "796aa411e9898c05b101abe0b49a60daf1c540360e10f861f444f945014f6f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796aa411e9898c05b101abe0b49a60daf1c540360e10f861f444f945014f6f72", kill_on_drop: false }`
[INFO] [stdout] 796aa411e9898c05b101abe0b49a60daf1c540360e10f861f444f945014f6f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 443561e203d779e8b58f3972835855e5f99336c205bcc147912b26c371c5444c
[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" "443561e203d779e8b58f3972835855e5f99336c205bcc147912b26c371c5444c", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking customasm v0.10.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/webasm/mod.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / pub unsafe extern fn wasm_assemble(format: u32, src: *mut String) -> *mut String
[INFO] [stdout] 10 | | {
[INFO] [stdout] 11 | |     let src = mem::transmute::<_, &String>(src);
[INFO] [stdout] 12 | |     
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     wasm_string_new_with(output)
[INFO] [stdout] 58 | | }
[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/webasm/mod.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / pub unsafe extern fn wasm_get_version() -> *mut String
[INFO] [stdout] 63 | | {
[INFO] [stdout] 64 | |     wasm_string_new_with(env!("CARGO_PKG_VERSION"))
[INFO] [stdout] 65 | | }
[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/webasm/mod.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / pub unsafe extern fn wasm_string_new(len: u32) -> *mut String
[INFO] [stdout] 70 | | {
[INFO] [stdout] 71 | |     let mut s = Box::new(String::new());
[INFO] [stdout] 72 | |     for _ in 0..len
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |     Box::into_raw(s)
[INFO] [stdout] 76 | | }
[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/webasm/mod.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | / pub unsafe extern fn wasm_string_drop(s: *mut String)
[INFO] [stdout] 89 | | {
[INFO] [stdout] 90 | |     let s = Box::from_raw(s);
[INFO] [stdout] 91 | |     drop(s);
[INFO] [stdout] 92 | | }
[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/webasm/mod.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | / pub unsafe extern fn wasm_string_get_len(s: *mut String) -> u32
[INFO] [stdout] 97 | | {
[INFO] [stdout] 98 | |     mem::transmute::<_, &mut String>(s).len() as u32
[INFO] [stdout] 99 | | }
[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/webasm/mod.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / pub unsafe extern fn wasm_string_get_byte(s: *mut String, index: u32) -> u8
[INFO] [stdout] 104 | | {
[INFO] [stdout] 105 | |     ptr::read(mem::transmute::<_, &mut String>(s).as_ptr().offset(index as isize))
[INFO] [stdout] 106 | | }
[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/webasm/mod.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | / pub unsafe extern fn wasm_string_set_byte(s: *mut String, index: u32, value: u8)
[INFO] [stdout] 111 | | {
[INFO] [stdout] 112 | |     let bytes = mem::transmute::<_, &mut String>(s).as_ptr();
[INFO] [stdout] 113 | |     ptr::write(mem::transmute::<_, *mut u8>(bytes).offset(index as isize), value)
[INFO] [stdout] 114 | | }
[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/webasm/mod.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / pub unsafe extern fn wasm_assemble(format: u32, src: *mut String) -> *mut String
[INFO] [stdout] 10 | | {
[INFO] [stdout] 11 | |     let src = mem::transmute::<_, &String>(src);
[INFO] [stdout] 12 | |     
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     wasm_string_new_with(output)
[INFO] [stdout] 58 | | }
[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/webasm/mod.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / pub unsafe extern fn wasm_get_version() -> *mut String
[INFO] [stdout] 63 | | {
[INFO] [stdout] 64 | |     wasm_string_new_with(env!("CARGO_PKG_VERSION"))
[INFO] [stdout] 65 | | }
[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/webasm/mod.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / pub unsafe extern fn wasm_string_new(len: u32) -> *mut String
[INFO] [stdout] 70 | | {
[INFO] [stdout] 71 | |     let mut s = Box::new(String::new());
[INFO] [stdout] 72 | |     for _ in 0..len
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |     Box::into_raw(s)
[INFO] [stdout] 76 | | }
[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/webasm/mod.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | / pub unsafe extern fn wasm_string_drop(s: *mut String)
[INFO] [stdout] 89 | | {
[INFO] [stdout] 90 | |     let s = Box::from_raw(s);
[INFO] [stdout] 91 | |     drop(s);
[INFO] [stdout] 92 | | }
[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/webasm/mod.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | / pub unsafe extern fn wasm_string_get_len(s: *mut String) -> u32
[INFO] [stdout] 97 | | {
[INFO] [stdout] 98 | |     mem::transmute::<_, &mut String>(s).len() as u32
[INFO] [stdout] 99 | | }
[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/webasm/mod.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | / pub unsafe extern fn wasm_string_get_byte(s: *mut String, index: u32) -> u8
[INFO] [stdout] 104 | | {
[INFO] [stdout] 105 | |     ptr::read(mem::transmute::<_, &mut String>(s).as_ptr().offset(index as isize))
[INFO] [stdout] 106 | | }
[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/webasm/mod.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | / pub unsafe extern fn wasm_string_set_byte(s: *mut String, index: u32, value: u8)
[INFO] [stdout] 111 | | {
[INFO] [stdout] 112 | |     let bytes = mem::transmute::<_, &mut String>(s).as_ptr();
[INFO] [stdout] 113 | |     ptr::write(mem::transmute::<_, *mut u8>(bytes).offset(index as isize), value)
[INFO] [stdout] 114 | | }
[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 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `customasm`.
[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: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "443561e203d779e8b58f3972835855e5f99336c205bcc147912b26c371c5444c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443561e203d779e8b58f3972835855e5f99336c205bcc147912b26c371c5444c", kill_on_drop: false }`
[INFO] [stdout] 443561e203d779e8b58f3972835855e5f99336c205bcc147912b26c371c5444c