[INFO] fetching crate mgm 0.5.0-pre.1...
[INFO] checking mgm-0.5.0-pre.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mgm 0.5.0-pre.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mgm 0.5.0-pre.1
[INFO] finished tweaking crates.io crate mgm 0.5.0-pre.1
[INFO] tweaked toml for crates.io crate mgm 0.5.0-pre.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mgm 0.5.0-pre.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding aead v0.5.0-pre.2 (available: v0.5.2)
[INFO] [stderr]       Adding cipher v0.3.0 (available: v0.4.4)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hex-literal v0.2.2 (available: v1.1.0)
[INFO] [stderr]       Adding kuznyechik v0.7.2 (available: v0.8.2)
[INFO] [stderr]       Adding magma v0.7.0 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18cbe06eced6c3701c6c0208838549226b75b702562f8fdeb2e65dc030e07b30
[INFO] running `Command { std: "docker" "start" "-a" "18cbe06eced6c3701c6c0208838549226b75b702562f8fdeb2e65dc030e07b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18cbe06eced6c3701c6c0208838549226b75b702562f8fdeb2e65dc030e07b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18cbe06eced6c3701c6c0208838549226b75b702562f8fdeb2e65dc030e07b30", kill_on_drop: false }`
[INFO] [stdout] 18cbe06eced6c3701c6c0208838549226b75b702562f8fdeb2e65dc030e07b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d324db7c234bac76c1bd78b44aeae71dff73c52e5a8d22cfaef4a2a750cbe1d
[INFO] running `Command { std: "docker" "start" "-a" "6d324db7c234bac76c1bd78b44aeae71dff73c52e5a8d22cfaef4a2a750cbe1d", kill_on_drop: false }`
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.3
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking magma v0.7.0
[INFO] [stderr]     Checking kuznyechik v0.7.2
[INFO] [stderr]     Checking aead v0.5.0-pre.2
[INFO] [stderr]     Checking mgm v0.5.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hex-literal v0.2.2
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]  --> tests/rfc9058.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | aead::new_test!(kuznyechik, "kuznyechik", mgm::Mgm<kuznyechik::Kuznyechik>);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the macro `aead::new_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]  --> tests/rfc9058.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | aead::new_test!(kuznyechik, "kuznyechik", mgm::Mgm<kuznyechik::Kuznyechik>);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `aead::new_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]  --> tests/rfc9058.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | aead::new_test!(magma, "magma", mgm::Mgm<magma::Magma>);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `aead::new_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]  --> tests/rfc9058.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | aead::new_test!(magma, "magma", mgm::Mgm<magma::Magma>);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `aead::new_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mgm` (test "rfc9058") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6d324db7c234bac76c1bd78b44aeae71dff73c52e5a8d22cfaef4a2a750cbe1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d324db7c234bac76c1bd78b44aeae71dff73c52e5a8d22cfaef4a2a750cbe1d", kill_on_drop: false }`
[INFO] [stdout] 6d324db7c234bac76c1bd78b44aeae71dff73c52e5a8d22cfaef4a2a750cbe1d