[INFO] cloning repository https://github.com/will-hart/markdown-browser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/will-hart/markdown-browser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-hart%2Fmarkdown-browser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-hart%2Fmarkdown-browser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fabc00b6833eafa94b6af3dfbd2b766d538bd39
[INFO] checking will-hart/markdown-browser against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-hart%2Fmarkdown-browser" "/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/will-hart/markdown-browser on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/will-hart/markdown-browser
[INFO] finished tweaking git repo https://github.com/will-hart/markdown-browser
[INFO] tweaked toml for git repo https://github.com/will-hart/markdown-browser written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/will-hart/markdown-browser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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 web-view v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.13
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded boxfnonce v0.1.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.2.0
[INFO] [stderr]   Downloaded serde v1.0.72
[INFO] [stderr]   Downloaded webview-sys v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.72
[INFO] [stderr]   Downloaded pkg-config v0.3.13
[INFO] [stderr]   Downloaded quote v0.6.6
[INFO] [stderr]   Downloaded ryu v0.2.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bf09925cc883c4066ec89a762e1d95aacad5287df509b25abe8f650943a4823
[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" "3bf09925cc883c4066ec89a762e1d95aacad5287df509b25abe8f650943a4823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf09925cc883c4066ec89a762e1d95aacad5287df509b25abe8f650943a4823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf09925cc883c4066ec89a762e1d95aacad5287df509b25abe8f650943a4823", kill_on_drop: false }`
[INFO] [stdout] 3bf09925cc883c4066ec89a762e1d95aacad5287df509b25abe8f650943a4823
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2d514be38116e22da01bde1c94ba83d0c6b4957a417e5ac77f5ba6a56c547c01
[INFO] running `Command { std: "docker" "start" "-a" "2d514be38116e22da01bde1c94ba83d0c6b4957a417e5ac77f5ba6a56c547c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.72
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling ryu v0.2.4
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking boxfnonce v0.1.0
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling webview-sys v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking web-view v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.72
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking rs-markdown-browser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.14s
[INFO] running `Command { std: "docker" "inspect" "2d514be38116e22da01bde1c94ba83d0c6b4957a417e5ac77f5ba6a56c547c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d514be38116e22da01bde1c94ba83d0c6b4957a417e5ac77f5ba6a56c547c01", kill_on_drop: false }`
[INFO] [stdout] 2d514be38116e22da01bde1c94ba83d0c6b4957a417e5ac77f5ba6a56c547c01