[INFO] fetching crate libsignal-protocol 0.1.0... [INFO] checking libsignal-protocol-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate libsignal-protocol 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate libsignal-protocol 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libsignal-protocol 0.1.0 [INFO] finished tweaking crates.io crate libsignal-protocol 0.1.0 [INFO] tweaked toml for crates.io crate libsignal-protocol 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate libsignal-protocol 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stable_deref_trait v1.1.1 [INFO] [stderr] Downloaded block-padding v0.1.4 [INFO] [stderr] Downloaded typenum v1.10.0 [INFO] [stderr] Downloaded opaque-debug v0.2.2 [INFO] [stderr] Downloaded rental v0.5.4 [INFO] [stderr] Downloaded rental-impl v0.5.4 [INFO] [stderr] Downloaded sha2 v0.8.0 [INFO] [stderr] Downloaded syn v0.15.40 [INFO] [stderr] Downloaded aes v0.3.2 [INFO] [stderr] Downloaded stream-cipher v0.3.0 [INFO] [stderr] Downloaded aho-corasick v0.7.4 [INFO] [stderr] Downloaded ucd-util v0.1.4 [INFO] [stderr] Downloaded aes-soft v0.3.3 [INFO] [stderr] Downloaded aesni v0.6.0 [INFO] [stderr] Downloaded regex-syntax v0.6.10 [INFO] [stderr] Downloaded libc v0.2.60 [INFO] [stderr] Downloaded libsignal-protocol-sys v0.1.0 [INFO] [stderr] Downloaded openssl v0.10.24 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded regex v1.2.0 [INFO] [stderr] Downloaded ctr v0.3.2 [INFO] [stderr] Downloaded aes-ctr v0.3.0 [INFO] [stderr] Downloaded openssl-sys v0.9.48 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded wincolor v1.0.1 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded rustc-demangle v0.1.15 [INFO] [stderr] Downloaded backtrace v0.3.33 [INFO] [stderr] Downloaded failure v0.1.5 [INFO] [stderr] Downloaded subtle v1.0.0 [INFO] [stderr] Downloaded hmac v0.7.1 [INFO] [stderr] Downloaded cmake v0.1.40 [INFO] [stderr] Downloaded pkg-config v0.3.14 [INFO] [stderr] Downloaded lock_api v0.2.0 [INFO] [stderr] Downloaded autocfg v0.1.5 [INFO] [stderr] Downloaded rand_core v0.4.0 [INFO] [stderr] Downloaded block-cipher-trait v0.6.2 [INFO] [stderr] Downloaded block-modes v0.3.3 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded humantime v1.2.0 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded crypto-mac v0.7.0 [INFO] [stderr] Downloaded log v0.4.7 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded vcpkg v0.2.7 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded parking_lot_core v0.5.0 [INFO] [stderr] Downloaded parking_lot v0.8.0 [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e1535e822626a2964d9e4ca5380a3188a5b97d438e9a85828375a3803e2f878 [INFO] running `Command { std: "docker" "start" "-a" "5e1535e822626a2964d9e4ca5380a3188a5b97d438e9a85828375a3803e2f878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e1535e822626a2964d9e4ca5380a3188a5b97d438e9a85828375a3803e2f878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e1535e822626a2964d9e4ca5380a3188a5b97d438e9a85828375a3803e2f878", kill_on_drop: false }` [INFO] [stdout] 5e1535e822626a2964d9e4ca5380a3188a5b97d438e9a85828375a3803e2f878 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b29732cf18c35684ba88bbc61d0f8d4e40904163e6951715989d6dec8f1103a8 [INFO] running `Command { std: "docker" "start" "-a" "b29732cf18c35684ba88bbc61d0f8d4e40904163e6951715989d6dec8f1103a8", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Checking opaque-debug v0.2.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling cmake v0.1.40 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling libsignal-protocol-sys v0.1.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.10 [INFO] [stderr] Checking block-cipher-trait v0.6.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking aes-soft v0.3.3 [INFO] [stderr] Checking stream-cipher v0.3.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking ctr v0.3.2 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking aes-ctr v0.3.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking aes v0.3.2 [INFO] [stderr] Checking block-modes v0.3.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking backtrace v0.3.33 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking regex v1.2.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking libsignal-protocol v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead [INFO] [stdout] --> src/lib.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | intra_doc_link_resolution_failure [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/buffer.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::{Ord, Ordering}, [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead [INFO] [stdout] --> src/lib.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | intra_doc_link_resolution_failure [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/buffer.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::{Ord, Ordering}, [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/keys/private.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | cmp::{Ord, Ordering}, [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/keys/public.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::{Ord, Ordering}, [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/keys/private.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | cmp::{Ord, Ordering}, [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/keys/public.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::{Ord, Ordering}, [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/crypto/mod.rs:31:34 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct SignalCipherTypeError(i32); [INFO] [stdout] | --------------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `SignalCipherTypeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 31 | pub struct SignalCipherTypeError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ctx` is never read [INFO] [stdout] --> src/hkdf.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct HMACBasedKeyDerivationFunction { [INFO] [stdout] | ------------------------------ field in this struct [INFO] [stdout] 13 | pub(crate) raw: Raw, [INFO] [stdout] 14 | ctx: Rc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HMACBasedKeyDerivationFunction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `CipherMode`, which is not FFI-safe [INFO] [stdout] --> src/crypto/mod.rs:392:11 [INFO] [stdout] | [INFO] [stdout] 392 | mode: CipherMode, [INFO] [stdout] | ^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/crypto/mod.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 | enum CipherMode { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/crypto/mod.rs:31:34 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct SignalCipherTypeError(i32); [INFO] [stdout] | --------------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `SignalCipherTypeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 31 | pub struct SignalCipherTypeError(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ctx` is never read [INFO] [stdout] --> src/hkdf.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct HMACBasedKeyDerivationFunction { [INFO] [stdout] | ------------------------------ field in this struct [INFO] [stdout] 13 | pub(crate) raw: Raw, [INFO] [stdout] 14 | ctx: Rc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HMACBasedKeyDerivationFunction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `CipherMode`, which is not FFI-safe [INFO] [stdout] --> src/crypto/mod.rs:392:11 [INFO] [stdout] | [INFO] [stdout] 392 | mode: CipherMode, [INFO] [stdout] | ^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/crypto/mod.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 | enum CipherMode { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.12s [INFO] running `Command { std: "docker" "inspect" "b29732cf18c35684ba88bbc61d0f8d4e40904163e6951715989d6dec8f1103a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b29732cf18c35684ba88bbc61d0f8d4e40904163e6951715989d6dec8f1103a8", kill_on_drop: false }` [INFO] [stdout] b29732cf18c35684ba88bbc61d0f8d4e40904163e6951715989d6dec8f1103a8