[INFO] cloning repository https://github.com/rust-zh/faq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-zh/faq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-zh%2Ffaq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-zh%2Ffaq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a4fa3e8a11760e10872d05668e8dbfbf75965fb
[INFO] checking rust-zh/faq against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-zh%2Ffaq" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-zh/faq on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-zh/faq
[INFO] finished tweaking git repo https://github.com/rust-zh/faq
[INFO] tweaked toml for git repo https://github.com/rust-zh/faq written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-zh/faq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.1
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded v_escape_derive v0.8.1
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded v_escape v0.12.1
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded plist v1.0.0
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded v_htmlescape v0.10.0
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded buf-min v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded onig_sys v69.5.0
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded handlebars v3.4.0
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded indexmap v1.5.2
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded syntect v4.4.0
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded unicase v2.6.0
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded onig v6.0.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] bfd32e1ec3f99569ea6e43a231f15a1a0239c230c28c93dd81c13579eb963b0f
[INFO] running `Command { std: "docker" "start" "-a" "bfd32e1ec3f99569ea6e43a231f15a1a0239c230c28c93dd81c13579eb963b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd32e1ec3f99569ea6e43a231f15a1a0239c230c28c93dd81c13579eb963b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd32e1ec3f99569ea6e43a231f15a1a0239c230c28c93dd81c13579eb963b0f", kill_on_drop: false }`
[INFO] [stdout] bfd32e1ec3f99569ea6e43a231f15a1a0239c230c28c93dd81c13579eb963b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8acb7829d97b94616dd3bb34c72788952dc4fbb440fb2331a69ee43592e777f3
[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" "8acb7829d97b94616dd3bb34c72788952dc4fbb440fb2331a69ee43592e777f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling v_escape v0.12.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling v_htmlescape v0.10.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking buf-min v0.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling v_escape_derive v0.8.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking onig v6.0.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]     Checking handlebars v3.4.0
[INFO] [stderr]     Checking rust-zh-faq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "8acb7829d97b94616dd3bb34c72788952dc4fbb440fb2331a69ee43592e777f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8acb7829d97b94616dd3bb34c72788952dc4fbb440fb2331a69ee43592e777f3", kill_on_drop: false }`
[INFO] [stdout] 8acb7829d97b94616dd3bb34c72788952dc4fbb440fb2331a69ee43592e777f3