[INFO] fetching crate secp256k1 0.17.2...
[INFO] checking secp256k1-0.17.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate secp256k1 0.17.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate secp256k1 0.17.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate secp256k1 0.17.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate secp256k1 0.17.2
[INFO] tweaked toml for crates.io crate secp256k1 0.17.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate secp256k1 0.17.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded bitcoin_hashes v0.7.1
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded serde_test v1.0.80
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06710f923d17e67d58e1f2b3794af22ce88f1fd597dc04ea84a839bc0457733e
[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" "06710f923d17e67d58e1f2b3794af22ce88f1fd597dc04ea84a839bc0457733e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06710f923d17e67d58e1f2b3794af22ce88f1fd597dc04ea84a839bc0457733e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06710f923d17e67d58e1f2b3794af22ce88f1fd597dc04ea84a839bc0457733e", kill_on_drop: false }`
[INFO] [stdout] 06710f923d17e67d58e1f2b3794af22ce88f1fd597dc04ea84a839bc0457733e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80b97e1692a62bb6472d2cb22619e997b054ab12666feb6fbf16a7db0efbf62
[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" "d80b97e1692a62bb6472d2cb22619e997b054ab12666feb6fbf16a7db0efbf62", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.1.1
[INFO] [stderr]     Checking secp256k1 v0.17.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.80
[INFO] [stderr]     Checking bitcoin_hashes v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "d80b97e1692a62bb6472d2cb22619e997b054ab12666feb6fbf16a7db0efbf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80b97e1692a62bb6472d2cb22619e997b054ab12666feb6fbf16a7db0efbf62", kill_on_drop: false }`
[INFO] [stdout] d80b97e1692a62bb6472d2cb22619e997b054ab12666feb6fbf16a7db0efbf62