[INFO] fetching crate vcard 0.4.8...
[INFO] checking vcard-0.4.8 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate vcard 0.4.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate vcard 0.4.8 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-7/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e317a1914e82bac730f3a3b26edb4c7068432835cf2eec1301d252a1ddf09f3
[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" "2e317a1914e82bac730f3a3b26edb4c7068432835cf2eec1301d252a1ddf09f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e317a1914e82bac730f3a3b26edb4c7068432835cf2eec1301d252a1ddf09f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e317a1914e82bac730f3a3b26edb4c7068432835cf2eec1301d252a1ddf09f3", kill_on_drop: false }`
[INFO] [stdout] 2e317a1914e82bac730f3a3b26edb4c7068432835cf2eec1301d252a1ddf09f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 883bcaf1fbb91e148ebe4e6902f1f02d45855829acc3a50d778d27de585ef84d
[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" "883bcaf1fbb91e148ebe4e6902f1f02d45855829acc3a50d778d27de585ef84d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking oncemutex v0.1.1
[INFO] [stderr]     Checking debug-helper v0.3.10
[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 generic-array v0.14.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking lexical-core v0.7.5
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]     Checking regex-cache v0.2.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[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 22s
[INFO] running `Command { std: "docker" "inspect" "883bcaf1fbb91e148ebe4e6902f1f02d45855829acc3a50d778d27de585ef84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883bcaf1fbb91e148ebe4e6902f1f02d45855829acc3a50d778d27de585ef84d", kill_on_drop: false }`
[INFO] [stdout] 883bcaf1fbb91e148ebe4e6902f1f02d45855829acc3a50d778d27de585ef84d