[INFO] cloning repository https://github.com/antoyo/markdown-packtpub-filter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antoyo/markdown-packtpub-filter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoyo%2Fmarkdown-packtpub-filter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoyo%2Fmarkdown-packtpub-filter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b6e33f0ce3edcdd1370cd54320dfc0f96bce585
[INFO] checking antoyo/markdown-packtpub-filter against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoyo%2Fmarkdown-packtpub-filter" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antoyo/markdown-packtpub-filter on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antoyo/markdown-packtpub-filter
[INFO] finished tweaking git repo https://github.com/antoyo/markdown-packtpub-filter
[INFO] tweaked toml for git repo https://github.com/antoyo/markdown-packtpub-filter written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/antoyo/markdown-packtpub-filter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9c1780ac620fae6ca73aae55fbd555c32e77f2ed2092af757f8796993e2bdca
[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" "d9c1780ac620fae6ca73aae55fbd555c32e77f2ed2092af757f8796993e2bdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9c1780ac620fae6ca73aae55fbd555c32e77f2ed2092af757f8796993e2bdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c1780ac620fae6ca73aae55fbd555c32e77f2ed2092af757f8796993e2bdca", kill_on_drop: false }`
[INFO] [stdout] d9c1780ac620fae6ca73aae55fbd555c32e77f2ed2092af757f8796993e2bdca
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbf8e06c249c5a8c4efaef8a7d5b478adcff69c4818d7cbaecab54d8cbc49d7d
[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" "fbf8e06c249c5a8c4efaef8a7d5b478adcff69c4818d7cbaecab54d8cbc49d7d", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking pandoc v0.6.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking pandoc_ast v0.7.1
[INFO] [stderr]     Checking markdown-packtpub-filter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.14s
[INFO] running `Command { std: "docker" "inspect" "fbf8e06c249c5a8c4efaef8a7d5b478adcff69c4818d7cbaecab54d8cbc49d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf8e06c249c5a8c4efaef8a7d5b478adcff69c4818d7cbaecab54d8cbc49d7d", kill_on_drop: false }`
[INFO] [stdout] fbf8e06c249c5a8c4efaef8a7d5b478adcff69c4818d7cbaecab54d8cbc49d7d