[INFO] cloning repository https://github.com/alexknipfer/markdown-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexknipfer/markdown-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexknipfer%2Fmarkdown-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexknipfer%2Fmarkdown-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad675385891c2e2a780ac57f8e36d68b5bd51c17
[INFO] checking alexknipfer/markdown-viewer against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexknipfer%2Fmarkdown-viewer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexknipfer/markdown-viewer on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexknipfer/markdown-viewer
[INFO] finished tweaking git repo https://github.com/alexknipfer/markdown-viewer
[INFO] tweaked toml for git repo https://github.com/alexknipfer/markdown-viewer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/alexknipfer/markdown-viewer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b01abfeb34d696fe412a44afd969ac695da708b67030121e70ab9bd1928dd916
[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" "b01abfeb34d696fe412a44afd969ac695da708b67030121e70ab9bd1928dd916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01abfeb34d696fe412a44afd969ac695da708b67030121e70ab9bd1928dd916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01abfeb34d696fe412a44afd969ac695da708b67030121e70ab9bd1928dd916", kill_on_drop: false }`
[INFO] [stdout] b01abfeb34d696fe412a44afd969ac695da708b67030121e70ab9bd1928dd916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a206607807f4246f9a72aa9f96544e7cc1fce2e2eb49020b9ddedef6e25f4c2
[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" "1a206607807f4246f9a72aa9f96544e7cc1fce2e2eb49020b9ddedef6e25f4c2", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.62
[INFO] [stderr]    Compiling bumpalo v3.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.62
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.62
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.62
[INFO] [stderr]     Checking js-sys v0.3.39
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking web-sys v0.3.39
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking rust-webpack-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.50s
[INFO] running `Command { std: "docker" "inspect" "1a206607807f4246f9a72aa9f96544e7cc1fce2e2eb49020b9ddedef6e25f4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a206607807f4246f9a72aa9f96544e7cc1fce2e2eb49020b9ddedef6e25f4c2", kill_on_drop: false }`
[INFO] [stdout] 1a206607807f4246f9a72aa9f96544e7cc1fce2e2eb49020b9ddedef6e25f4c2