[INFO] fetching crate grammers-mtproto 0.3.0...
[INFO] testing grammers-mtproto-0.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate grammers-mtproto 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate grammers-mtproto 0.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grammers-mtproto 0.3.0
[INFO] finished tweaking crates.io crate grammers-mtproto 0.3.0
[INFO] tweaked toml for crates.io crate grammers-mtproto 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d98dc3449deec20c5de3cbc733670d9f20d1e25d06d5f0d5638bb221fdf5100
[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" "3d98dc3449deec20c5de3cbc733670d9f20d1e25d06d5f0d5638bb221fdf5100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d98dc3449deec20c5de3cbc733670d9f20d1e25d06d5f0d5638bb221fdf5100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d98dc3449deec20c5de3cbc733670d9f20d1e25d06d5f0d5638bb221fdf5100", kill_on_drop: false }`
[INFO] [stdout] 3d98dc3449deec20c5de3cbc733670d9f20d1e25d06d5f0d5638bb221fdf5100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", 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] 7d90b62606eda6fbc051f2bf9a0263d4e8557f90818ffcff320ad1be4e097222
[INFO] running `Command { std: "docker" "start" "-a" "7d90b62606eda6fbc051f2bf9a0263d4e8557f90818ffcff320ad1be4e097222", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling base64ct v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling grammers-tl-parser v1.0.1
[INFO] [stderr]    Compiling grammers-tl-gen v0.3.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling grammers-tl-types v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling password-hash v0.2.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling glass_pumpkin v1.2.0
[INFO] [stderr]    Compiling grammers-crypto v0.3.0
[INFO] [stderr]    Compiling grammers-mtproto v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mtp/plain.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.62s
[INFO] running `Command { std: "docker" "inspect" "7d90b62606eda6fbc051f2bf9a0263d4e8557f90818ffcff320ad1be4e097222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d90b62606eda6fbc051f2bf9a0263d4e8557f90818ffcff320ad1be4e097222", kill_on_drop: false }`
[INFO] [stdout] 7d90b62606eda6fbc051f2bf9a0263d4e8557f90818ffcff320ad1be4e097222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", 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] 275b3deae0859838a8a7dc90aa3e17dfcb5a3e0af33a52e93ddfeb07534c5c58
[INFO] running `Command { std: "docker" "start" "-a" "275b3deae0859838a8a7dc90aa3e17dfcb5a3e0af33a52e93ddfeb07534c5c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling grammers-mtproto v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mtp/plain.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mtp/plain.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "275b3deae0859838a8a7dc90aa3e17dfcb5a3e0af33a52e93ddfeb07534c5c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275b3deae0859838a8a7dc90aa3e17dfcb5a3e0af33a52e93ddfeb07534c5c58", kill_on_drop: false }`
[INFO] [stdout] 275b3deae0859838a8a7dc90aa3e17dfcb5a3e0af33a52e93ddfeb07534c5c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 058ab6ad25362896e625145d0f85962903001b8fb9988632b081bc96f294eb4b
[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" "058ab6ad25362896e625145d0f85962903001b8fb9988632b081bc96f294eb4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/mtp/plain.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let _ = &mut self.buffer.extend_from_slice(request); // message_data
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `grammers-mtproto` (lib) generated 1 warning
[INFO] [stderr] warning: `grammers-mtproto` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grammers_mtproto-e466f345e19c0a6a)
[INFO] [stdout] running 35 tests
[INFO] [stdout] test mtp::plain::tests::ensure_only_one_push_allowed ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_serialization_has_salt_client_id ... ok
[INFO] [stdout] test manual_tl::tests::gzip_decompress ... ok
[INFO] [stdout] test mtp::plain::tests::ensure_finalize_clears_buffer ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_correct_multi_serialization ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_correct_single_large_serialization ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_correct_multi_large_serialization ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_correct_single_serialization ... ok
[INFO] [stdout] test transport::abridged::tests::pack_normal ... ok
[INFO] [stdout] test transport::abridged::tests::unpack_large ... ok
[INFO] [stdout] test transport::full::tests::pack_normal ... ok
[INFO] [stdout] test mtp::tests::check_rpc_error_parsing ... ok
[INFO] [stdout] test transport::abridged::tests::pack_empty ... ok
[INFO] [stdout] test transport::abridged::tests::pack_large ... ok
[INFO] [stdout] test transport::full::tests::unpack_bad_seq ... ok
[INFO] [stdout] test transport::full::tests::pack_twice ... ok
[INFO] [stdout] test transport::abridged::tests::unpack_normal ... ok
[INFO] [stdout] test transport::abridged::tests::unpack_small ... ok
[INFO] [stdout] test transport::full::tests::unpack_small ... ok
[INFO] [stdout] test transport::intermediate::tests::unpack_normal ... ok
[INFO] [stdout] test transport::full::tests::unpack_twice ... ok
[INFO] [stdout] test transport::intermediate::tests::pack_normal ... ok
[INFO] [stdout] test transport::intermediate::tests::pack_empty ... ok
[INFO] [stdout] test transport::full::tests::unpack_normal ... ok
[INFO] [stdout] test transport::intermediate::tests::unpack_small ... ok
[INFO] [stdout] test transport::full::tests::unpack_bad_crc ... ok
[INFO] [stdout] test transport::full::tests::pack_empty ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_large_payload_panics - should panic ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_non_padded_payload_panics - should panic ... ok
[INFO] [stdout] test transport::abridged::tests::pack_non_padded - should panic ... ok
[INFO] [stdout] test transport::intermediate::tests::pack_non_padded - should panic ... ok
[INFO] [stdout] test transport::full::tests::pack_non_padded - should panic ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_no_compression_is_honored ... ok
[INFO] [stdout] test mtp::encrypted::tests::ensure_some_compression ... ok
[INFO] [stdout] test authentication::tests::emulate_successful_auth_key_gen_flow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grammers-mtproto
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/authentication.rs - authentication (line 13) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "058ab6ad25362896e625145d0f85962903001b8fb9988632b081bc96f294eb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058ab6ad25362896e625145d0f85962903001b8fb9988632b081bc96f294eb4b", kill_on_drop: false }`
[INFO] [stdout] 058ab6ad25362896e625145d0f85962903001b8fb9988632b081bc96f294eb4b