[INFO] fetching crate grammers-mtproto 0.3.0...
[INFO] checking grammers-mtproto-0.3.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate grammers-mtproto 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate grammers-mtproto 0.3.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d98d13193ecb4b3b325c36d5caf5656eb4e8ae4e7952682d7e83413ebbd54da4
[INFO] running `Command { std: "docker" "start" "-a" "d98d13193ecb4b3b325c36d5caf5656eb4e8ae4e7952682d7e83413ebbd54da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d98d13193ecb4b3b325c36d5caf5656eb4e8ae4e7952682d7e83413ebbd54da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98d13193ecb4b3b325c36d5caf5656eb4e8ae4e7952682d7e83413ebbd54da4", kill_on_drop: false }`
[INFO] [stdout] d98d13193ecb4b3b325c36d5caf5656eb4e8ae4e7952682d7e83413ebbd54da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd19199f86560b7ffd3c06cdaad2fbaa906e30e6b63625f8040c6533b2a3ea01
[INFO] running `Command { std: "docker" "start" "-a" "cd19199f86560b7ffd3c06cdaad2fbaa906e30e6b63625f8040c6533b2a3ea01", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling grammers-tl-parser v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling grammers-tl-gen v0.3.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling grammers-tl-types v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking glass_pumpkin v1.1.0
[INFO] [stderr]     Checking grammers-crypto v0.3.0
[INFO] [stderr]     Checking 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 dev [unoptimized + debuginfo] target(s) in 25.16s
[INFO] running `Command { std: "docker" "inspect" "cd19199f86560b7ffd3c06cdaad2fbaa906e30e6b63625f8040c6533b2a3ea01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd19199f86560b7ffd3c06cdaad2fbaa906e30e6b63625f8040c6533b2a3ea01", kill_on_drop: false }`
[INFO] [stdout] cd19199f86560b7ffd3c06cdaad2fbaa906e30e6b63625f8040c6533b2a3ea01