[INFO] fetching crate cashweb-secp256k1 0.17.3...
[INFO] checking cashweb-secp256k1-0.17.3 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate cashweb-secp256k1 0.17.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cashweb-secp256k1 0.17.3 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cashweb-secp256k1 0.17.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cashweb-secp256k1 0.17.3
[INFO] tweaked toml for crates.io crate cashweb-secp256k1 0.17.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cashweb-secp256k1 0.17.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.14
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded bitcoin_hashes v0.7.6
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded serde_test v1.0.114
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.14
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.14
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 800f9d9c35ceadd50044bdee2ab2bc8ca59d8877e68365cb2950bbe6aeda82b4
[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" "800f9d9c35ceadd50044bdee2ab2bc8ca59d8877e68365cb2950bbe6aeda82b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "800f9d9c35ceadd50044bdee2ab2bc8ca59d8877e68365cb2950bbe6aeda82b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800f9d9c35ceadd50044bdee2ab2bc8ca59d8877e68365cb2950bbe6aeda82b4", kill_on_drop: false }`
[INFO] [stdout] 800f9d9c35ceadd50044bdee2ab2bc8ca59d8877e68365cb2950bbe6aeda82b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--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] 8d11203dbb87226d683f36a3461aecdf99a3fd435a748a5f6730bf2d8afae721
[INFO] running `Command { std: "docker" "start" "-a" "8d11203dbb87226d683f36a3461aecdf99a3fd435a748a5f6730bf2d8afae721", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cashweb-secp256k1-sys v0.1.2
[INFO] [stderr]     Checking cashweb-secp256k1 v0.17.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.114
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]    --> src/ecdh.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use Error;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.83s
[INFO] running `Command { std: "docker" "inspect" "8d11203dbb87226d683f36a3461aecdf99a3fd435a748a5f6730bf2d8afae721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d11203dbb87226d683f36a3461aecdf99a3fd435a748a5f6730bf2d8afae721", kill_on_drop: false }`
[INFO] [stdout] 8d11203dbb87226d683f36a3461aecdf99a3fd435a748a5f6730bf2d8afae721