[INFO] fetching crate bls_sigs_ref 0.3.0...
[INFO] checking bls_sigs_ref-0.3.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate bls_sigs_ref 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bls_sigs_ref 0.3.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bls_sigs_ref 0.3.0
[INFO] finished tweaking crates.io crate bls_sigs_ref 0.3.0
[INFO] tweaked toml for crates.io crate bls_sigs_ref 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] e046f7a7d382cc73ae072f44317153fcab754e4b7da1d789bbf0bac570dc634e
[INFO] running `Command { std: "docker" "start" "-a" "e046f7a7d382cc73ae072f44317153fcab754e4b7da1d789bbf0bac570dc634e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e046f7a7d382cc73ae072f44317153fcab754e4b7da1d789bbf0bac570dc634e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e046f7a7d382cc73ae072f44317153fcab754e4b7da1d789bbf0bac570dc634e", kill_on_drop: false }`
[INFO] [stdout] e046f7a7d382cc73ae072f44317153fcab754e4b7da1d789bbf0bac570dc634e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02ee179f9ffec1d361aa3416b6868f4e19d8738e08d7657220ad1ade5a252d02
[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" "02ee179f9ffec1d361aa3416b6868f4e19d8738e08d7657220ad1ade5a252d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking hex-literal v0.1.4
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling ff_derive-zeroize v0.6.2
[INFO] [stderr]     Checking ff-zeroize v0.6.3
[INFO] [stderr]     Checking pairing-plus v0.19.0
[INFO] [stderr]     Checking bls_sigs_ref v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.85s
[INFO] running `Command { std: "docker" "inspect" "02ee179f9ffec1d361aa3416b6868f4e19d8738e08d7657220ad1ade5a252d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ee179f9ffec1d361aa3416b6868f4e19d8738e08d7657220ad1ade5a252d02", kill_on_drop: false }`
[INFO] [stdout] 02ee179f9ffec1d361aa3416b6868f4e19d8738e08d7657220ad1ade5a252d02