[INFO] cloning repository https://github.com/dflemstr/rq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dflemstr/rq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Frq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Frq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56f6314995ea9b5988b2f5e2fd547d8758eae523
[INFO] checking dflemstr/rq against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Frq" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/rq on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dflemstr/rq
[INFO] finished tweaking git repo https://github.com/dflemstr/rq
[INFO] tweaked toml for git repo https://github.com/dflemstr/rq written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/rq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601fe35d2acd94a7acbc66e672d0b057cb7dfd074f5225e09282d2ff03e3d686
[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" "601fe35d2acd94a7acbc66e672d0b057cb7dfd074f5225e09282d2ff03e3d686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601fe35d2acd94a7acbc66e672d0b057cb7dfd074f5225e09282d2ff03e3d686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601fe35d2acd94a7acbc66e672d0b057cb7dfd074f5225e09282d2ff03e3d686", kill_on_drop: false }`
[INFO] [stdout] 601fe35d2acd94a7acbc66e672d0b057cb7dfd074f5225e09282d2ff03e3d686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 3722ebb6d0d4162f36b4e3f690c876383e0d83ff5088664493affa53b62851de
[INFO] running `Command { std: "docker" "start" "-a" "3722ebb6d0d4162f36b4e3f690c876383e0d83ff5088664493affa53b62851de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling unicode-normalization v0.1.9
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rmpv v0.4.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling git2 v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking serde-protobuf v0.8.1
[INFO] [stderr]    Compiling built v0.3.2
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]    Compiling record-query v1.0.3-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking avro-rs v0.6.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "3722ebb6d0d4162f36b4e3f690c876383e0d83ff5088664493affa53b62851de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3722ebb6d0d4162f36b4e3f690c876383e0d83ff5088664493affa53b62851de", kill_on_drop: false }`
[INFO] [stdout] 3722ebb6d0d4162f36b4e3f690c876383e0d83ff5088664493affa53b62851de