[INFO] fetching crate couch_rs 0.8.29...
[INFO] checking couch_rs-0.8.29 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate couch_rs 0.8.29 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate couch_rs 0.8.29 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 couch_rs 0.8.29
[INFO] finished tweaking crates.io crate couch_rs 0.8.29
[INFO] tweaked toml for crates.io crate couch_rs 0.8.29 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate couch_rs 0.8.29 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 805bd69b5e137a443579d3caf00c34ee97354fa58f163ef1b8aba3d279b86d5f
[INFO] running `Command { std: "docker" "start" "-a" "805bd69b5e137a443579d3caf00c34ee97354fa58f163ef1b8aba3d279b86d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "805bd69b5e137a443579d3caf00c34ee97354fa58f163ef1b8aba3d279b86d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805bd69b5e137a443579d3caf00c34ee97354fa58f163ef1b8aba3d279b86d5f", kill_on_drop: false }`
[INFO] [stdout] 805bd69b5e137a443579d3caf00c34ee97354fa58f163ef1b8aba3d279b86d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 267db19dc057aa5bc15d6c3c0b07477cdbdfe2c957b27357c35bb04298785604
[INFO] running `Command { std: "docker" "start" "-a" "267db19dc057aa5bc15d6c3c0b07477cdbdfe2c957b27357c35bb04298785604", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling const_fn v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling couch_rs_derive v0.8.29
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking async-compression v0.3.7
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking hyper v0.14.5
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.2
[INFO] [stderr]     Checking couch_rs v0.8.29 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "267db19dc057aa5bc15d6c3c0b07477cdbdfe2c957b27357c35bb04298785604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267db19dc057aa5bc15d6c3c0b07477cdbdfe2c957b27357c35bb04298785604", kill_on_drop: false }`
[INFO] [stdout] 267db19dc057aa5bc15d6c3c0b07477cdbdfe2c957b27357c35bb04298785604