[INFO] fetching crate struckdown 0.1.0...
[INFO] checking struckdown-0.1.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate struckdown 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate struckdown 0.1.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate struckdown 0.1.0
[INFO] finished tweaking crates.io crate struckdown 0.1.0
[INFO] tweaked toml for crates.io crate struckdown 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buf-min v0.2.0
[INFO] [stderr]   Downloaded v_escape v0.14.1
[INFO] [stderr]   Downloaded ammonia v3.1.0
[INFO] [stderr]   Downloaded subprocess v0.2.6
[INFO] [stderr]   Downloaded v_htmlescape v0.11.0
[INFO] [stderr]   Downloaded v_escape_derive v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85656f02f5aa2a6f43216f3f1f7ca2af0aa4c092b2883e1a99e6af0ba4915cda
[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" "85656f02f5aa2a6f43216f3f1f7ca2af0aa4c092b2883e1a99e6af0ba4915cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85656f02f5aa2a6f43216f3f1f7ca2af0aa4c092b2883e1a99e6af0ba4915cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85656f02f5aa2a6f43216f3f1f7ca2af0aa4c092b2883e1a99e6af0ba4915cda", kill_on_drop: false }`
[INFO] [stdout] 85656f02f5aa2a6f43216f3f1f7ca2af0aa4c092b2883e1a99e6af0ba4915cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8975f9ddae068907be182bbe9bb438ab4d89181fbbf6097387a59bcc247e66ae
[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" "8975f9ddae068907be182bbe9bb438ab4d89181fbbf6097387a59bcc247e66ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling v_escape v0.14.1
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling v_htmlescape v0.11.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking subprocess v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking buf-min v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking onig v6.1.1
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking plist v1.0.1
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking syntect v4.5.0
[INFO] [stderr]     Checking insta v1.5.2
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.0
[INFO] [stderr]     Checking struckdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "8975f9ddae068907be182bbe9bb438ab4d89181fbbf6097387a59bcc247e66ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8975f9ddae068907be182bbe9bb438ab4d89181fbbf6097387a59bcc247e66ae", kill_on_drop: false }`
[INFO] [stdout] 8975f9ddae068907be182bbe9bb438ab4d89181fbbf6097387a59bcc247e66ae