[INFO] cloning repository https://github.com/rustodon/rustodon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustodon/rustodon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustodon%2Frustodon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustodon%2Frustodon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d873c4e75948512630baa75482afa8d307f99b3
[INFO] checking rustodon/rustodon against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustodon%2Frustodon" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustodon/rustodon on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rustodon/rustodon
[INFO] finished tweaking git repo https://github.com/rustodon/rustodon
[INFO] tweaked toml for git repo https://github.com/rustodon/rustodon written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rustodon/rustodon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flaken v0.2.2
[INFO] [stderr]   Downloaded validator v0.9.0
[INFO] [stderr]   Downloaded rocket_contrib v0.4.1
[INFO] [stderr]   Downloaded validator_derive v0.9.0
[INFO] [stderr]   Downloaded ammonia v3.0.0
[INFO] [stderr]   Downloaded html5ever v0.24.0
[INFO] [stderr]   Downloaded url v2.0.0
[INFO] [stderr]   Downloaded rocket-slog v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b839e2e9167d2cddd9b2bcbca0130fa009cadd67cacc18ec539be4dce00bbd
[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" "16b839e2e9167d2cddd9b2bcbca0130fa009cadd67cacc18ec539be4dce00bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b839e2e9167d2cddd9b2bcbca0130fa009cadd67cacc18ec539be4dce00bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b839e2e9167d2cddd9b2bcbca0130fa009cadd67cacc18ec539be4dce00bbd", kill_on_drop: false }`
[INFO] [stdout] 16b839e2e9167d2cddd9b2bcbca0130fa009cadd67cacc18ec539be4dce00bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] 2eb2e1491a57d9abf574b9bd6248ef2c8b063b4cdc3f53f36df2ad1744364dad
[INFO] running `Command { std: "docker" "start" "-a" "2eb2e1491a57d9abf574b9bd6248ef2c8b063b4cdc3f53f36df2ad1744364dad", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.0.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling rustodon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking flaken v0.2.2
[INFO] [stderr]     Checking resopt v0.1.0 (/opt/rustwide/workdir/lib/resopt)
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking thread_local v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr] error: failed to run custom build command for `rustodon v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustodon-5a0d3a10b49878cd/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   build error: sass compiler not installed.
[INFO] [stderr]   please follow the instructions at https://sass-lang.com/install, making sure the `sass` executable is in your $PATH.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2eb2e1491a57d9abf574b9bd6248ef2c8b063b4cdc3f53f36df2ad1744364dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb2e1491a57d9abf574b9bd6248ef2c8b063b4cdc3f53f36df2ad1744364dad", kill_on_drop: false }`
[INFO] [stdout] 2eb2e1491a57d9abf574b9bd6248ef2c8b063b4cdc3f53f36df2ad1744364dad