[INFO] fetching crate libipld-base 0.1.0...
[INFO] checking libipld-base-0.1.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate libipld-base 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libipld-base 0.1.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libipld-base 0.1.0
[INFO] finished tweaking crates.io crate libipld-base 0.1.0
[INFO] tweaked toml for crates.io crate libipld-base 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] b45a16d5be90e2939337c1235d4378fc341787190fa8f78efa8dc36b854a471b
[INFO] running `Command { std: "docker" "start" "-a" "b45a16d5be90e2939337c1235d4378fc341787190fa8f78efa8dc36b854a471b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b45a16d5be90e2939337c1235d4378fc341787190fa8f78efa8dc36b854a471b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45a16d5be90e2939337c1235d4378fc341787190fa8f78efa8dc36b854a471b", kill_on_drop: false }`
[INFO] [stdout] b45a16d5be90e2939337c1235d4378fc341787190fa8f78efa8dc36b854a471b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] def7d360d1a23372334f1995d78abb52d3f68b0fddb0ca4b72a61b30820c4aa9
[INFO] running `Command { std: "docker" "start" "-a" "def7d360d1a23372334f1995d78abb52d3f68b0fddb0ca4b72a61b30820c4aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking multihash v0.10.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking data-encoding-macro v0.1.10
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking cid v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking libipld-base v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `Command { std: "docker" "inspect" "def7d360d1a23372334f1995d78abb52d3f68b0fddb0ca4b72a61b30820c4aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def7d360d1a23372334f1995d78abb52d3f68b0fddb0ca4b72a61b30820c4aa9", kill_on_drop: false }`
[INFO] [stdout] def7d360d1a23372334f1995d78abb52d3f68b0fddb0ca4b72a61b30820c4aa9