[INFO] fetching crate amcl_wrapper_ml 0.5.1...
[INFO] checking amcl_wrapper_ml-0.5.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate amcl_wrapper_ml 0.5.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate amcl_wrapper_ml 0.5.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amcl_wrapper_ml 0.5.1
[INFO] finished tweaking crates.io crate amcl_wrapper_ml 0.5.1
[INFO] tweaked toml for crates.io crate amcl_wrapper_ml 0.5.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash2curve v0.0.6
[INFO] [stderr]   Downloaded amcl-milagro v3.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", 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] 10b443d89e9cb5cfc92464451ebf60f4d2b5c573c6d86f4277974990bde418c8
[INFO] running `Command { std: "docker" "start" "-a" "10b443d89e9cb5cfc92464451ebf60f4d2b5c573c6d86f4277974990bde418c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b443d89e9cb5cfc92464451ebf60f4d2b5c573c6d86f4277974990bde418c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b443d89e9cb5cfc92464451ebf60f4d2b5c573c6d86f4277974990bde418c8", kill_on_drop: false }`
[INFO] [stdout] 10b443d89e9cb5cfc92464451ebf60f4d2b5c573c6d86f4277974990bde418c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad95f885427f4c0bf9277ea8a385e9a5835bcf7dc41b7487c433a0b7f6cc44a
[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" "1ad95f885427f4c0bf9277ea8a385e9a5835bcf7dc41b7487c433a0b7f6cc44a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking amcl-milagro v3.2.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hash2curve v0.0.6
[INFO] [stderr]     Checking amcl_wrapper_ml v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "1ad95f885427f4c0bf9277ea8a385e9a5835bcf7dc41b7487c433a0b7f6cc44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad95f885427f4c0bf9277ea8a385e9a5835bcf7dc41b7487c433a0b7f6cc44a", kill_on_drop: false }`
[INFO] [stdout] 1ad95f885427f4c0bf9277ea8a385e9a5835bcf7dc41b7487c433a0b7f6cc44a