[INFO] cloning repository https://github.com/jpopesculian/lucid-kv-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpopesculian/lucid-kv-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpopesculian%2Flucid-kv-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpopesculian%2Flucid-kv-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c486458d25ae41b96cef8b1ed59c5fa0ee5de20
[INFO] checking jpopesculian/lucid-kv-client against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpopesculian%2Flucid-kv-client" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpopesculian/lucid-kv-client on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jpopesculian/lucid-kv-client
[INFO] finished tweaking git repo https://github.com/jpopesculian/lucid-kv-client
[INFO] tweaked toml for git repo https://github.com/jpopesculian/lucid-kv-client written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/jpopesculian/lucid-kv-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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 tokio-rustls v0.13.1
[INFO] [stderr]   Downloaded adler32 v1.1.0
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded addr2line v0.12.2
[INFO] [stderr]   Downloaded jsonwebtoken v7.1.2
[INFO] [stderr]   Downloaded debug_stub_derive v0.3.0
[INFO] [stderr]   Downloaded pem v0.8.1
[INFO] [stderr]   Downloaded simple_asn1 v0.4.0
[INFO] [stderr]   Downloaded futures-retry v0.5.0
[INFO] [stderr]   Downloaded webpki-roots v0.19.0
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded eventsource-stream v0.1.1
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded reqwest-eventsource v0.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.49
[INFO] [stderr]   Downloaded ring v0.16.15
[INFO] [stderr]   Downloaded flexbuffers v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 035f70cc8f4164a7022f5afef92c145e460bbc33339813ea7b5d3f26928711a0
[INFO] running `Command { std: "docker" "start" "-a" "035f70cc8f4164a7022f5afef92c145e460bbc33339813ea7b5d3f26928711a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035f70cc8f4164a7022f5afef92c145e460bbc33339813ea7b5d3f26928711a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035f70cc8f4164a7022f5afef92c145e460bbc33339813ea7b5d3f26928711a0", kill_on_drop: false }`
[INFO] [stdout] 035f70cc8f4164a7022f5afef92c145e460bbc33339813ea7b5d3f26928711a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 054155c08da67413081a0ef88fc13da69b226ed8b8579021ee79fe6b1ad8c015
[INFO] running `Command { std: "docker" "start" "-a" "054155c08da67413081a0ef88fc13da69b226ed8b8579021ee79fe6b1ad8c015", 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" "054155c08da67413081a0ef88fc13da69b226ed8b8579021ee79fe6b1ad8c015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "054155c08da67413081a0ef88fc13da69b226ed8b8579021ee79fe6b1ad8c015", kill_on_drop: false }`
[INFO] [stdout] 054155c08da67413081a0ef88fc13da69b226ed8b8579021ee79fe6b1ad8c015