[INFO] fetching crate rlay-backend 0.3.0...
[INFO] checking rlay-backend-0.3.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate rlay-backend 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rlay-backend 0.3.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlay-backend 0.3.0
[INFO] finished tweaking crates.io crate rlay-backend 0.3.0
[INFO] tweaked toml for crates.io crate rlay-backend 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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] f46e485bb75d4100979c7f20b9ffedbf915ed0771f931ccc4838115bba41a908
[INFO] running `Command { std: "docker" "start" "-a" "f46e485bb75d4100979c7f20b9ffedbf915ed0771f931ccc4838115bba41a908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f46e485bb75d4100979c7f20b9ffedbf915ed0771f931ccc4838115bba41a908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46e485bb75d4100979c7f20b9ffedbf915ed0771f931ccc4838115bba41a908", kill_on_drop: false }`
[INFO] [stdout] f46e485bb75d4100979c7f20b9ffedbf915ed0771f931ccc4838115bba41a908
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1307d76c086940cc37b3e8818e93b80321e6158357c1fbfbda06501461dd602c
[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" "1307d76c086940cc37b3e8818e93b80321e6158357c1fbfbda06501461dd602c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking multibase v0.6.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking ethbloom v0.5.3
[INFO] [stderr]     Checking ethereum-types v0.4.2
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling ambassador v0.2.1
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]    Compiling rlay_ontology_build v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling rlay_ontology v0.2.6
[INFO] [stderr]     Checking integer-encoding v1.0.8
[INFO] [stderr]     Checking cid_fork_rlay v0.3.1
[INFO] [stderr]     Checking rlay-backend v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "1307d76c086940cc37b3e8818e93b80321e6158357c1fbfbda06501461dd602c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1307d76c086940cc37b3e8818e93b80321e6158357c1fbfbda06501461dd602c", kill_on_drop: false }`
[INFO] [stdout] 1307d76c086940cc37b3e8818e93b80321e6158357c1fbfbda06501461dd602c