[INFO] fetching crate markdust 0.1.1...
[INFO] checking markdust-0.1.1 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate markdust 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate markdust 0.1.1 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate markdust 0.1.1
[INFO] finished tweaking crates.io crate markdust 0.1.1
[INFO] tweaked toml for crates.io crate markdust 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate markdust 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v1.4.1
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded pest_meta v2.1.1
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] [stderr]   Downloaded ucd-trie v0.1.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.10
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded pest v2.1.1
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded twoway v0.2.0
[INFO] [stderr]   Downloaded syn v0.15.42
[INFO] [stderr]   Downloaded regex v1.2.0
[INFO] [stderr]   Downloaded comrak v0.6.2
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb910e3d93d12d270a4f9a11f61f0bb665f5c26620e11980252fb42c3a47a34
[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" "7fb910e3d93d12d270a4f9a11f61f0bb665f5c26620e11980252fb42c3a47a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb910e3d93d12d270a4f9a11f61f0bb665f5c26620e11980252fb42c3a47a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb910e3d93d12d270a4f9a11f61f0bb665f5c26620e11980252fb42c3a47a34", kill_on_drop: false }`
[INFO] [stdout] 7fb910e3d93d12d270a4f9a11f61f0bb665f5c26620e11980252fb42c3a47a34
[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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12799b40e8fdb6e603d23d3c76304c456833014665e9e8124c54c1c4504dfd0e
[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" "12799b40e8fdb6e603d23d3c76304c456833014665e9e8124c54c1c4504dfd0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking typed-arena v1.4.1
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking twoway v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking comrak v0.6.2
[INFO] [stderr]     Checking markdust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.57s
[INFO] running `Command { std: "docker" "inspect" "12799b40e8fdb6e603d23d3c76304c456833014665e9e8124c54c1c4504dfd0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12799b40e8fdb6e603d23d3c76304c456833014665e9e8124c54c1c4504dfd0e", kill_on_drop: false }`
[INFO] [stdout] 12799b40e8fdb6e603d23d3c76304c456833014665e9e8124c54c1c4504dfd0e