[INFO] fetching crate aes-keywrap-rs 0.2.0...
[INFO] checking aes-keywrap-rs-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate aes-keywrap-rs 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate aes-keywrap-rs 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aes-keywrap-rs 0.2.0
[INFO] finished tweaking crates.io crate aes-keywrap-rs 0.2.0
[INFO] tweaked toml for crates.io crate aes-keywrap-rs 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b035749068faebc04d2243a8d6117372ce7fba6170b9da23c7b36d6c51178c
[INFO] running `Command { std: "docker" "start" "-a" "e6b035749068faebc04d2243a8d6117372ce7fba6170b9da23c7b36d6c51178c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b035749068faebc04d2243a8d6117372ce7fba6170b9da23c7b36d6c51178c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b035749068faebc04d2243a8d6117372ce7fba6170b9da23c7b36d6c51178c", kill_on_drop: false }`
[INFO] [stdout] e6b035749068faebc04d2243a8d6117372ce7fba6170b9da23c7b36d6c51178c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 704a47daab950c4082da1ffa71a30b9d70c87d4918c2cf71b46f2f3d785d037c
[INFO] running `Command { std: "docker" "start" "-a" "704a47daab950c4082da1ffa71a30b9d70c87d4918c2cf71b46f2f3d785d037c", kill_on_drop: false }`
[INFO] [stderr]     Checking crypto2 v0.1.2
[INFO] [stderr]     Checking aes-keywrap-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 aes_wrap_key(&kek, &plain);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 aes_unwrap_key(&kek, &cipher);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:361:17
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 aes_wrap_key(&kek, &plain);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:375:17
[INFO] [stdout]     |
[INFO] [stdout] 375 |                 aes_unwrap_key(&kek, &cipher);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "704a47daab950c4082da1ffa71a30b9d70c87d4918c2cf71b46f2f3d785d037c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704a47daab950c4082da1ffa71a30b9d70c87d4918c2cf71b46f2f3d785d037c", kill_on_drop: false }`
[INFO] [stdout] 704a47daab950c4082da1ffa71a30b9d70c87d4918c2cf71b46f2f3d785d037c