[INFO] fetching crate double-ratchet 0.1.0...
[INFO] checking double-ratchet-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate double-ratchet 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate double-ratchet 0.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate double-ratchet 0.1.0
[INFO] finished tweaking crates.io crate double-ratchet 0.1.0
[INFO] tweaked toml for crates.io crate double-ratchet 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 70ab7564a6bacff255016969ca3b4a16e0511ba934074e3b9df58140377177bd
[INFO] running `Command { std: "docker" "start" "-a" "70ab7564a6bacff255016969ca3b4a16e0511ba934074e3b9df58140377177bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70ab7564a6bacff255016969ca3b4a16e0511ba934074e3b9df58140377177bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ab7564a6bacff255016969ca3b4a16e0511ba934074e3b9df58140377177bd", kill_on_drop: false }`
[INFO] [stdout] 70ab7564a6bacff255016969ca3b4a16e0511ba934074e3b9df58140377177bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 424b8d2f5c825c8e6e6b88e4e380f104b8210a6c4163a984f5e4a329564c1484
[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" "424b8d2f5c825c8e6e6b88e4e380f104b8210a6c4163a984f5e4a329564c1484", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking double-ratchet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hkdf v0.7.1
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:801:29
[INFO] [stdout]     |
[INFO] [stdout] 801 |     type DR = DoubleRatchet<mock::CryptoProvider>;
[INFO] [stdout]     |                             ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:803:35
[INFO] [stdout]     |
[INFO] [stdout] 803 |     fn asymmetric_setup(rng: &mut mock::Rng) -> (DR, DR) {
[INFO] [stdout]     |                                   ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:812:34
[INFO] [stdout]     |
[INFO] [stdout] 812 |     fn symmetric_setup(rng: &mut mock::Rng) -> (DR, DR) {
[INFO] [stdout]     |                                  ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:824:23
[INFO] [stdout]     |
[INFO] [stdout] 824 |         let mut rng = mock::Rng::default();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:850:23
[INFO] [stdout]     |
[INFO] [stdout] 850 |         let mut rng = mock::Rng::default();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:870:23
[INFO] [stdout]     |
[INFO] [stdout] 870 |         let mut rng = mock::Rng::default();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:911:23
[INFO] [stdout]     |
[INFO] [stdout] 911 |         let mut rng = mock::Rng::default();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:963:23
[INFO] [stdout]     |
[INFO] [stdout] 963 |         let mut rng = mock::Rng::default();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:975:23
[INFO] [stdout]     |
[INFO] [stdout] 975 |         let mut rng = mock::Rng::default();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]     --> src/dr.rs:1045:23
[INFO] [stdout]      |
[INFO] [stdout] 1045 |         let mut rng = mock::Rng::default();
[INFO] [stdout]      |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]     --> src/dr.rs:1069:23
[INFO] [stdout]      |
[INFO] [stdout] 1069 |         let mut rng = mock::Rng::default();
[INFO] [stdout]      |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]     --> src/dr.rs:1084:23
[INFO] [stdout]      |
[INFO] [stdout] 1084 |         let mut rng = mock::Rng::default();
[INFO] [stdout]      |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]     --> src/dr.rs:1108:23
[INFO] [stdout]      |
[INFO] [stdout] 1108 |         let mut rng = mock::Rng::default();
[INFO] [stdout]      |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]     --> src/dr.rs:1135:23
[INFO] [stdout]      |
[INFO] [stdout] 1135 |         let mut rng = mock::Rng::default();
[INFO] [stdout]      |                       ^^^^ use of undeclared crate or module `mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:805:26
[INFO] [stdout]     |
[INFO] [stdout] 805 |         let pair = mock::KeyPair::new(rng);
[INFO] [stdout]     |                          ^^^^^^^ not found in `mock`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 799 |     use crate::KeyPair;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mock`
[INFO] [stdout]    --> src/dr.rs:815:26
[INFO] [stdout]     |
[INFO] [stdout] 815 |         let pair = mock::KeyPair::new(rng);
[INFO] [stdout]     |                          ^^^^^^^ not found in `mock`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 799 |     use crate::KeyPair;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `double-ratchet`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "424b8d2f5c825c8e6e6b88e4e380f104b8210a6c4163a984f5e4a329564c1484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424b8d2f5c825c8e6e6b88e4e380f104b8210a6c4163a984f5e4a329564c1484", kill_on_drop: false }`
[INFO] [stdout] 424b8d2f5c825c8e6e6b88e4e380f104b8210a6c4163a984f5e4a329564c1484