[INFO] fetching crate estel_secp256k1 0.4.0...
[INFO] checking estel_secp256k1-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate estel_secp256k1 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate estel_secp256k1 0.4.0
[INFO] finished tweaking crates.io crate estel_secp256k1 0.4.0
[INFO] tweaked toml for crates.io crate estel_secp256k1 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate estel_secp256k1 0.4.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding hmac v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.9)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cd28f0d6d897c83781f44f65303691d22b9f4ed9be131011c18aa3b458f55899
[INFO] running `Command { std: "docker" "start" "-a" "cd28f0d6d897c83781f44f65303691d22b9f4ed9be131011c18aa3b458f55899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd28f0d6d897c83781f44f65303691d22b9f4ed9be131011c18aa3b458f55899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd28f0d6d897c83781f44f65303691d22b9f4ed9be131011c18aa3b458f55899", kill_on_drop: false }`
[INFO] [stdout] cd28f0d6d897c83781f44f65303691d22b9f4ed9be131011c18aa3b458f55899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a4fb07d6daf32057853a95d7be4761de4fc7e8d6341e8001337c8af021c4a5ed
[INFO] running `Command { std: "docker" "start" "-a" "a4fb07d6daf32057853a95d7be4761de4fc7e8d6341e8001337c8af021c4a5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking opaque-debug v0.3.1
[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 hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking estel_secp256k1 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `hmac::crypto_mac::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/hmac.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |         .as_slice()
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `hmac::crypto_mac::generic_array::GenericArray::<T, N>::as_slice`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/hmac.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |         .as_slice()
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/hmac.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     hm.finalize()
[INFO] [stdout] 23 | |         .into_bytes()
[INFO] [stdout] 24 | |         .try_into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `estel_secp256k1` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/hmac.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     hm.finalize()
[INFO] [stdout] 23 | |         .into_bytes()
[INFO] [stdout] 24 | |         .try_into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `estel_secp256k1` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a4fb07d6daf32057853a95d7be4761de4fc7e8d6341e8001337c8af021c4a5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4fb07d6daf32057853a95d7be4761de4fc7e8d6341e8001337c8af021c4a5ed", kill_on_drop: false }`
[INFO] [stdout] a4fb07d6daf32057853a95d7be4761de4fc7e8d6341e8001337c8af021c4a5ed