[INFO] fetching crate sidh 0.2.3...
[INFO] checking sidh-0.2.3 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate sidh 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sidh 0.2.3 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sidh 0.2.3
[INFO] finished tweaking crates.io crate sidh 0.2.3
[INFO] tweaked toml for crates.io crate sidh 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.5)
[INFO] [stderr]       Adding hash32 v0.2.1 (available: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded critical-section v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a191e3986d13d7e2106d6131fd62ddf4ba7db090ddf389ca48834b09a6018997
[INFO] running `Command { std: "docker" "start" "-a" "a191e3986d13d7e2106d6131fd62ddf4ba7db090ddf389ca48834b09a6018997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a191e3986d13d7e2106d6131fd62ddf4ba7db090ddf389ca48834b09a6018997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a191e3986d13d7e2106d6131fd62ddf4ba7db090ddf389ca48834b09a6018997", kill_on_drop: false }`
[INFO] [stdout] a191e3986d13d7e2106d6131fd62ddf4ba7db090ddf389ca48834b09a6018997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14d9795d436c4fa8c8aecaa0397da8d3ad4914646f83d043d6c219d3cebd8dfb
[INFO] running `Command { std: "docker" "start" "-a" "14d9795d436c4fa8c8aecaa0397da8d3ad4914646f83d043d6c219d3cebd8dfb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling sidh v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 154 |     fn cswap751_asm(x: &mut Fp751Element, y: &mut Fp751Element, choice: Choice);
[INFO] [stdout]     |     ---------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 158 |     fn cassign751_asm(x: &mut Fp751Element, y: &Fp751Element, choice: u8);
[INFO] [stdout]     |     ---------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 161 |     fn fpadd751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751Element);
[INFO] [stdout]     |     -------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 164 |     fn fpsub751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751Element);
[INFO] [stdout]     |     -------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 167 |     fn mul751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751X2);
[INFO] [stdout]     |     ------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 170 |     fn rdc751_asm(x: &Fp751X2, z: &mut Fp751Element);
[INFO] [stdout]     |     ------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 173 |     fn srdc751_asm(x: &mut Fp751Element);
[INFO] [stdout]     |     ------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 176 |     fn mp_add751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751Element);
[INFO] [stdout]     |     --------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 179 |     fn mp_add751x2_asm(x: &Fp751X2, y: &Fp751X2, z: &mut Fp751X2);
[INFO] [stdout]     |     -------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 182 |     fn mp_sub751x2_asm(x: &Fp751X2, y: &Fp751X2, z: &mut Fp751X2);
[INFO] [stdout]     |     -------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 185 |     fn checklt238_asm(scalar: &[u8; 48], result: &mut u32);
[INFO] [stdout]     |     ------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 188 |     fn mulby3_asm(scalar: &mut [u8; 48]);
[INFO] [stdout]     |     ------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 154 |     fn cswap751_asm(x: &mut Fp751Element, y: &mut Fp751Element, choice: Choice);
[INFO] [stdout]     |     ---------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 158 |     fn cassign751_asm(x: &mut Fp751Element, y: &Fp751Element, choice: u8);
[INFO] [stdout]     |     ---------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 161 |     fn fpadd751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751Element);
[INFO] [stdout]     |     -------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 164 |     fn fpsub751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751Element);
[INFO] [stdout]     |     -------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 167 |     fn mul751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751X2);
[INFO] [stdout]     |     ------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 170 |     fn rdc751_asm(x: &Fp751X2, z: &mut Fp751Element);
[INFO] [stdout]     |     ------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 173 |     fn srdc751_asm(x: &mut Fp751Element);
[INFO] [stdout]     |     ------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 176 |     fn mp_add751_asm(x: &Fp751Element, y: &Fp751Element, z: &mut Fp751Element);
[INFO] [stdout]     |     --------------------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 179 |     fn mp_add751x2_asm(x: &Fp751X2, y: &Fp751X2, z: &mut Fp751X2);
[INFO] [stdout]     |     -------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 182 |     fn mp_sub751x2_asm(x: &Fp751X2, y: &Fp751X2, z: &mut Fp751X2);
[INFO] [stdout]     |     -------------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 185 |     fn checklt238_asm(scalar: &[u8; 48], result: &mut u32);
[INFO] [stdout]     |     ------------------------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` has no effect on a foreign function
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: remove this attribute
[INFO] [stdout] 188 |     fn mulby3_asm(scalar: &mut [u8; 48]);
[INFO] [stdout]     |     ------------------------------------- foreign function
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: symbol names in extern blocks are not mangled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let high_limb = rng.gen::<u64>() % 246065832128056;
[INFO] [stdout]    |                             ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.8.5/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 9  + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Choice`, which is not FFI-safe
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:154:73
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn cswap751_asm(x: &mut Fp751Element, y: &mut Fp751Element, choice: Choice);
[INFO] [stdout]     |                                                                         ^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sidh` (lib test) due to 13 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "14d9795d436c4fa8c8aecaa0397da8d3ad4914646f83d043d6c219d3cebd8dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d9795d436c4fa8c8aecaa0397da8d3ad4914646f83d043d6c219d3cebd8dfb", kill_on_drop: false }`
[INFO] [stdout] 14d9795d436c4fa8c8aecaa0397da8d3ad4914646f83d043d6c219d3cebd8dfb