[INFO] fetching crate ark-bls12-377 0.3.0...
[INFO] checking ark-bls12-377-0.3.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate ark-bls12-377 0.3.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate ark-bls12-377 0.3.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-bls12-377 0.3.0
[INFO] finished tweaking crates.io crate ark-bls12-377 0.3.0
[INFO] tweaked toml for crates.io crate ark-bls12-377 0.3.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ef76e61c05e2455d23c7500dd0c1c2f7903e9e3d2cd725b27c892c81ed71532
[INFO] running `Command { std: "docker" "start" "-a" "8ef76e61c05e2455d23c7500dd0c1c2f7903e9e3d2cd725b27c892c81ed71532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ef76e61c05e2455d23c7500dd0c1c2f7903e9e3d2cd725b27c892c81ed71532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef76e61c05e2455d23c7500dd0c1c2f7903e9e3d2cd725b27c892c81ed71532", kill_on_drop: false }`
[INFO] [stdout] 8ef76e61c05e2455d23c7500dd0c1c2f7903e9e3d2cd725b27c892c81ed71532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 942c107a4537ad3f2e0889a4d2e32b41948d1a24a404db7f7295e7588e112845
[INFO] running `Command { std: "docker" "start" "-a" "942c107a4537ad3f2e0889a4d2e32b41948d1a24a404db7f7295e7588e112845", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking ark-serialize v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]     Checking ark-ec v0.3.0
[INFO] [stderr]     Checking ark-relations v0.3.0
[INFO] [stderr]     Checking ark-algebra-test-templates v0.3.0
[INFO] [stderr]     Checking ark-bls12-377 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.13s
[INFO] running `Command { std: "docker" "inspect" "942c107a4537ad3f2e0889a4d2e32b41948d1a24a404db7f7295e7588e112845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942c107a4537ad3f2e0889a4d2e32b41948d1a24a404db7f7295e7588e112845", kill_on_drop: false }`
[INFO] [stdout] 942c107a4537ad3f2e0889a4d2e32b41948d1a24a404db7f7295e7588e112845