[INFO] fetching crate vcard 0.4.8...
[INFO] checking vcard-0.4.8 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate vcard 0.4.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vcard 0.4.8 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vcard 0.4.8
[INFO] finished tweaking crates.io crate vcard 0.4.8
[INFO] tweaked toml for crates.io crate vcard 0.4.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate vcard 0.4.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2b48c041042de0e5a149e23ab87aebc026cbf32c81591f21622d34dbf581cdc
[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" "c2b48c041042de0e5a149e23ab87aebc026cbf32c81591f21622d34dbf581cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b48c041042de0e5a149e23ab87aebc026cbf32c81591f21622d34dbf581cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b48c041042de0e5a149e23ab87aebc026cbf32c81591f21622d34dbf581cdc", kill_on_drop: false }`
[INFO] [stdout] c2b48c041042de0e5a149e23ab87aebc026cbf32c81591f21622d34dbf581cdc
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cdbd9249f3135a0c723812104169ae6bb995a33db435c5ff734ef89bce03778
[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" "2cdbd9249f3135a0c723812104169ae6bb995a33db435c5ff734ef89bce03778", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking oncemutex v0.1.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking debug-helper v0.3.10
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex-cache v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling enum-ordinalize v3.1.9
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling educe v0.4.14
[INFO] [stderr]     Checking base64-stream v1.2.5
[INFO] [stderr]    Compiling phonenumber v0.2.4+8.11.3
[INFO] [stderr]     Checking validators v0.20.19
[INFO] [stderr]     Checking vcard v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "2cdbd9249f3135a0c723812104169ae6bb995a33db435c5ff734ef89bce03778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdbd9249f3135a0c723812104169ae6bb995a33db435c5ff734ef89bce03778", kill_on_drop: false }`
[INFO] [stdout] 2cdbd9249f3135a0c723812104169ae6bb995a33db435c5ff734ef89bce03778