[INFO] fetching crate blstrs 0.5.0...
[INFO] checking blstrs-0.5.0 against master#7036449c774860a5b348dbbe01c20704c557382e for pr-98456
[INFO] extracting crate blstrs 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate blstrs 0.5.0 on toolchain 7036449c774860a5b348dbbe01c20704c557382e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate blstrs 0.5.0
[INFO] finished tweaking crates.io crate blstrs 0.5.0
[INFO] tweaked toml for crates.io crate blstrs 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027508065d54ffe78596093bcaee42b81ef9937570f5e65059d0a9bfca86f143
[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" "027508065d54ffe78596093bcaee42b81ef9937570f5e65059d0a9bfca86f143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027508065d54ffe78596093bcaee42b81ef9937570f5e65059d0a9bfca86f143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027508065d54ffe78596093bcaee42b81ef9937570f5e65059d0a9bfca86f143", kill_on_drop: false }`
[INFO] [stdout] 027508065d54ffe78596093bcaee42b81ef9937570f5e65059d0a9bfca86f143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ba9c721180ba4bc1424ccd286728a681347891e0de31a4b5937a97aed00cde7b
[INFO] running `Command { std: "docker" "start" "-a" "ba9c721180ba4bc1424ccd286728a681347891e0de31a4b5937a97aed00cde7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking byte-slice-cast v1.2.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]    Compiling blst v0.3.9
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking ff v0.12.0
[INFO] [stderr]     Checking group v0.12.0
[INFO] [stderr]     Checking pairing v0.22.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking blstrs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.49s
[INFO] running `Command { std: "docker" "inspect" "ba9c721180ba4bc1424ccd286728a681347891e0de31a4b5937a97aed00cde7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9c721180ba4bc1424ccd286728a681347891e0de31a4b5937a97aed00cde7b", kill_on_drop: false }`
[INFO] [stdout] ba9c721180ba4bc1424ccd286728a681347891e0de31a4b5937a97aed00cde7b