[INFO] cloning repository https://github.com/fokinpv/webclipper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fokinpv/webclipper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffokinpv%2Fwebclipper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffokinpv%2Fwebclipper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 032ad30c29e92090d41c052537ccc475c6f388a0
[INFO] checking fokinpv/webclipper against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffokinpv%2Fwebclipper" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fokinpv/webclipper on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fokinpv/webclipper
[INFO] finished tweaking git repo https://github.com/fokinpv/webclipper
[INFO] tweaked toml for git repo https://github.com/fokinpv/webclipper written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/fokinpv/webclipper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded v_escape_derive v0.2.1
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded tokio-trace-core v0.1.0
[INFO] [stderr]   Downloaded flate2 v1.0.7
[INFO] [stderr]   Downloaded cookie v0.11.0
[INFO] [stderr]   Downloaded safemem v0.3.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.11
[INFO] [stderr]   Downloaded brotli-sys v0.3.2
[INFO] [stderr]   Downloaded signal-hook v0.1.8
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded actix-net v0.2.6
[INFO] [stderr]   Downloaded askama_shared v0.8.0
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.4
[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded brotli2 v0.3.2
[INFO] [stderr]   Downloaded miniz_oxide v0.2.1
[INFO] [stderr]   Downloaded askama_escape v0.2.0
[INFO] [stderr]   Downloaded string v0.1.3
[INFO] [stderr]   Downloaded harsh v0.1.6
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded v_escape v0.3.2
[INFO] [stderr]   Downloaded v_htmlescape v0.3.2
[INFO] [stderr]   Downloaded unicase v2.3.0
[INFO] [stderr]   Downloaded mime v0.3.13
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded askama v0.8.0
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.6
[INFO] [stderr]   Downloaded tokio v0.1.17
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded tokio-sync v0.1.4
[INFO] [stderr]   Downloaded http v0.1.16
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded indexmap v1.0.2
[INFO] [stderr]   Downloaded h2 v0.1.17
[INFO] [stderr]   Downloaded actix-web v0.7.18
[INFO] [stderr]   Downloaded ring v0.13.5
[INFO] [stderr]   Downloaded askama_derive v0.8.0
[INFO] [stderr]   Downloaded nom v4.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c3b69b97914f8fea5c2a26b9a09dd47602489f2a54ada1fe4c22300686db5f5
[INFO] running `Command { std: "docker" "start" "-a" "3c3b69b97914f8fea5c2a26b9a09dd47602489f2a54ada1fe4c22300686db5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c3b69b97914f8fea5c2a26b9a09dd47602489f2a54ada1fe4c22300686db5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3b69b97914f8fea5c2a26b9a09dd47602489f2a54ada1fe4c22300686db5f5", kill_on_drop: false }`
[INFO] [stdout] 3c3b69b97914f8fea5c2a26b9a09dd47602489f2a54ada1fe4c22300686db5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7176e8853fbbdda4be035041423af9b9583481e7e1ebc2840a14ec876601e85b
[INFO] running `Command { std: "docker" "start" "-a" "7176e8853fbbdda4be035041423af9b9583481e7e1ebc2840a14ec876601e85b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "7176e8853fbbdda4be035041423af9b9583481e7e1ebc2840a14ec876601e85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7176e8853fbbdda4be035041423af9b9583481e7e1ebc2840a14ec876601e85b", kill_on_drop: false }`
[INFO] [stdout] 7176e8853fbbdda4be035041423af9b9583481e7e1ebc2840a14ec876601e85b