[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] 6f25ff5df2d0740ea4b0adb6f4774d1ed826e9a1
[INFO] checking rust-zh/faq against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-zh%2Ffaq" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-zh/faq on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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-0/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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 line-wrap v0.1.1
[INFO] [stderr]   Downloaded handlebars v3.5.1
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded onig v6.1.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded v_escape v0.14.0
[INFO] [stderr]   Downloaded buf-min v0.2.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded onig_sys v69.5.1
[INFO] [stderr]   Downloaded v_escape_derive v0.8.4
[INFO] [stderr]   Downloaded syntect v4.4.0
[INFO] [stderr]   Downloaded v_htmlescape v0.11.0
[INFO] [stderr]   Downloaded plist v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67fdb15858c9c7919f1a69b90071570aa1eddd8f3fc6bf67098441cb3f260632
[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" "67fdb15858c9c7919f1a69b90071570aa1eddd8f3fc6bf67098441cb3f260632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67fdb15858c9c7919f1a69b90071570aa1eddd8f3fc6bf67098441cb3f260632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fdb15858c9c7919f1a69b90071570aa1eddd8f3fc6bf67098441cb3f260632", kill_on_drop: false }`
[INFO] [stdout] 67fdb15858c9c7919f1a69b90071570aa1eddd8f3fc6bf67098441cb3f260632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6cf4e265061c8132191b91392d3ea3ff2e494c7708767782718fe4f3594fb66
[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" "e6cf4e265061c8132191b91392d3ea3ff2e494c7708767782718fe4f3594fb66", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling v_escape v0.14.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling v_htmlescape v0.11.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling onig_sys v69.5.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking buf-min v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking onig v6.1.0
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking handlebars v3.5.1
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]     Checking rust-zh-faq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "e6cf4e265061c8132191b91392d3ea3ff2e494c7708767782718fe4f3594fb66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6cf4e265061c8132191b91392d3ea3ff2e494c7708767782718fe4f3594fb66", kill_on_drop: false }`
[INFO] [stdout] e6cf4e265061c8132191b91392d3ea3ff2e494c7708767782718fe4f3594fb66