[INFO] cloning repository https://github.com/kobigurk/pairing-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kobigurk/pairing-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Fpairing-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Fpairing-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39ca0b99e910e4b3ec69324d7f32e49defeae124
[INFO] checking kobigurk/pairing-demo against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Fpairing-demo" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kobigurk/pairing-demo on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kobigurk/pairing-demo
[INFO] finished tweaking git repo https://github.com/kobigurk/pairing-demo
[INFO] tweaked toml for git repo https://github.com/kobigurk/pairing-demo written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/kobigurk/pairing-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver-parser v0.10.1
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded rustc_version v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c77d35dcd927ffbfed1344590ac5530d658be95fad500c0fb5b67781190b96b
[INFO] running `Command { std: "docker" "start" "-a" "1c77d35dcd927ffbfed1344590ac5530d658be95fad500c0fb5b67781190b96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c77d35dcd927ffbfed1344590ac5530d658be95fad500c0fb5b67781190b96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c77d35dcd927ffbfed1344590ac5530d658be95fad500c0fb5b67781190b96b", kill_on_drop: false }`
[INFO] [stdout] 1c77d35dcd927ffbfed1344590ac5530d658be95fad500c0fb5b67781190b96b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b72f57d2d8aa0ff21efe75984969ac1e6350a316deb842ea7a48fd986a32965
[INFO] running `Command { std: "docker" "start" "-a" "3b72f57d2d8aa0ff21efe75984969ac1e6350a316deb842ea7a48fd986a32965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ark-std v0.1.0 (https://github.com/arkworks-rs/utils#f6974ac7)
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking ark-serialize v0.1.0 (https://github.com/arkworks-rs/algebra#9bc54172)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.10.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling ark-ff v0.1.0 (https://github.com/arkworks-rs/algebra#9bc54172)
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling ark-ff-asm v0.1.0 (https://github.com/arkworks-rs/algebra#9bc54172)
[INFO] [stderr]     Checking ark-ec v0.1.0 (https://github.com/arkworks-rs/algebra#9bc54172)
[INFO] [stderr]     Checking ark-bls12-381 v0.1.0 (https://github.com/arkworks-rs/curves#23e87bf2)
[INFO] [stderr]     Checking pairing_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "3b72f57d2d8aa0ff21efe75984969ac1e6350a316deb842ea7a48fd986a32965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b72f57d2d8aa0ff21efe75984969ac1e6350a316deb842ea7a48fd986a32965", kill_on_drop: false }`
[INFO] [stdout] 3b72f57d2d8aa0ff21efe75984969ac1e6350a316deb842ea7a48fd986a32965