[INFO] fetching crate ipfs-unixfs 0.2.0...
[INFO] checking ipfs-unixfs-0.2.0 against beta for pr-78714
[INFO] extracting crate ipfs-unixfs 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ipfs-unixfs 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipfs-unixfs 0.2.0
[INFO] finished tweaking crates.io crate ipfs-unixfs 0.2.0
[INFO] tweaked toml for crates.io crate ipfs-unixfs 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ipfs-unixfs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76538244efa8e173fc60438ba6f9d60ebbf3c6f96d5b6c65bdf02c853f520c73
[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" "76538244efa8e173fc60438ba6f9d60ebbf3c6f96d5b6c65bdf02c853f520c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76538244efa8e173fc60438ba6f9d60ebbf3c6f96d5b6c65bdf02c853f520c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76538244efa8e173fc60438ba6f9d60ebbf3c6f96d5b6c65bdf02c853f520c73", kill_on_drop: false }`
[INFO] [stdout] 76538244efa8e173fc60438ba6f9d60ebbf3c6f96d5b6c65bdf02c853f520c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4062df7dc6f8005c4f31c17d4dc20b171643706c297c99cfbbbd3c2736caae2
[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" "a4062df7dc6f8005c4f31c17d4dc20b171643706c297c99cfbbbd3c2736caae2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking quick-protobuf v0.7.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking cid v0.5.1
[INFO] [stderr]     Checking ipfs-unixfs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.53s
[INFO] running `Command { std: "docker" "inspect" "a4062df7dc6f8005c4f31c17d4dc20b171643706c297c99cfbbbd3c2736caae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4062df7dc6f8005c4f31c17d4dc20b171643706c297c99cfbbbd3c2736caae2", kill_on_drop: false }`
[INFO] [stdout] a4062df7dc6f8005c4f31c17d4dc20b171643706c297c99cfbbbd3c2736caae2