[INFO] fetching crate sapio-secp256k1 0.20.1...
[INFO] checking sapio-secp256k1-0.20.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate sapio-secp256k1 0.20.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sapio-secp256k1 0.20.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sapio-secp256k1 0.20.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sapio-secp256k1 0.20.1
[INFO] tweaked toml for crates.io crate sapio-secp256k1 0.20.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate sapio-secp256k1 0.20.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iri-string v0.3.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.2
[INFO] [stderr]   Downloaded jsonschema-valid v0.4.0
[INFO] [stderr]   Downloaded bitcoin_hashes v0.9.0
[INFO] [stderr]   Downloaded serde_test v1.0.116
[INFO] [stderr]   Downloaded syn v1.0.43
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 793a2e85a26ebbf861eddba706702266606de94df97d544789afb15230def42a
[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" "793a2e85a26ebbf861eddba706702266606de94df97d544789afb15230def42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793a2e85a26ebbf861eddba706702266606de94df97d544789afb15230def42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793a2e85a26ebbf861eddba706702266606de94df97d544789afb15230def42a", kill_on_drop: false }`
[INFO] [stdout] 793a2e85a26ebbf861eddba706702266606de94df97d544789afb15230def42a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f14a577ba1341ed465286703595405e7b245361b3d2c83d8e5d18ee8378063
[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" "26f14a577ba1341ed465286703595405e7b245361b3d2c83d8e5d18ee8378063", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bitcoin_hashes v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking sapio-secp256k1 v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking iri-string v0.3.0
[INFO] [stderr]     Checking serde_test v1.0.116
[INFO] [stderr]     Checking json-pointer v0.3.4
[INFO] [stderr]     Checking jsonschema-valid v0.4.0
[INFO] [stdout] error[E0463]: can't find crate for `secp256k1`
[INFO] [stdout]  --> examples/sign_verify.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate secp256k1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sapio-secp256k1`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "26f14a577ba1341ed465286703595405e7b245361b3d2c83d8e5d18ee8378063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f14a577ba1341ed465286703595405e7b245361b3d2c83d8e5d18ee8378063", kill_on_drop: false }`
[INFO] [stdout] 26f14a577ba1341ed465286703595405e7b245361b3d2c83d8e5d18ee8378063