[INFO] fetching crate venta 0.4.0...
[INFO] checking venta-0.4.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate venta 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate venta 0.4.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate venta 0.4.0
[INFO] finished tweaking crates.io crate venta 0.4.0
[INFO] tweaked toml for crates.io crate venta 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0477d09b2ebe7ab5ab4f160ed1083f5011cb9ab0727a3877641386007ae9e1e1
[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" "0477d09b2ebe7ab5ab4f160ed1083f5011cb9ab0727a3877641386007ae9e1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0477d09b2ebe7ab5ab4f160ed1083f5011cb9ab0727a3877641386007ae9e1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0477d09b2ebe7ab5ab4f160ed1083f5011cb9ab0727a3877641386007ae9e1e1", kill_on_drop: false }`
[INFO] [stdout] 0477d09b2ebe7ab5ab4f160ed1083f5011cb9ab0727a3877641386007ae9e1e1
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cee36f1686c726089db2b20223320577128aefb23e96816966d09c308e784f6
[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" "9cee36f1686c726089db2b20223320577128aefb23e96816966d09c308e784f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling snap v1.0.4
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]    Compiling pulsar v1.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-native-tls v0.1.0
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]     Checking venta v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 02s
[INFO] running `Command { std: "docker" "inspect" "9cee36f1686c726089db2b20223320577128aefb23e96816966d09c308e784f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cee36f1686c726089db2b20223320577128aefb23e96816966d09c308e784f6", kill_on_drop: false }`
[INFO] [stdout] 9cee36f1686c726089db2b20223320577128aefb23e96816966d09c308e784f6