[INFO] fetching crate libsignal-protocol 0.1.0...
[INFO] checking libsignal-protocol-0.1.0 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] extracting crate libsignal-protocol 0.1.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libsignal-protocol 0.1.0 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978
[INFO] running `Command { std: "docker" "start" "ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[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 log v0.4.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking ucd-util v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libsignal-protocol-sys v0.1.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]    Compiling synstructure v0.10.2
[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: 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: 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]    = help: consider removing this field
[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)]` (part of `#[warn(unused)]`) on by default
[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<sys::hkdf_context>,
[INFO] [stdout] 14 |     ctx: Rc<ContextInner>,
[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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/errors.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, failure_derive::Fail)]
[INFO] [stdout]   |                                                   ^-------------------
[INFO] [stdout]   |                                                   |
[INFO] [stdout]   |                                                   `Fail` is not local
[INFO] [stdout]   |                                                   move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_InternalError`
[INFO] [stdout] 7 | #[allow(missing_docs)]
[INFO] [stdout] 8 | pub enum InternalError {
[INFO] [stdout]   |          ------------- `InternalError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `failure_derive::Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `failure_derive::Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `failure_derive::Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = help: consider removing this field
[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)]` (part of `#[warn(unused)]`) on by default
[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<sys::hkdf_context>,
[INFO] [stdout] 14 |     ctx: Rc<ContextInner>,
[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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/errors.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, failure_derive::Fail)]
[INFO] [stdout]   |                                                   ^-------------------
[INFO] [stdout]   |                                                   |
[INFO] [stdout]   |                                                   `Fail` is not local
[INFO] [stdout]   |                                                   move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_InternalError`
[INFO] [stdout] 7 | #[allow(missing_docs)]
[INFO] [stdout] 8 | pub enum InternalError {
[INFO] [stdout]   |          ------------- `InternalError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `failure_derive::Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `failure_derive::Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `failure_derive::Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.97s
[INFO] running `Command { std: "docker" "inspect" "ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978", kill_on_drop: false }`
[INFO] [stdout] ef63d2642d9efb6920a2fb793340a72615529cdbbbf2ab7ec216a488ff94d978
