[INFO] cloning repository https://github.com/willyrgf/rust-api-json-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willyrgf/rust-api-json-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillyrgf%2Frust-api-json-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillyrgf%2Frust-api-json-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0eb230d3123df6c46c2c87d988303c582ad59d7
[INFO] checking willyrgf/rust-api-json-redis against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillyrgf%2Frust-api-json-redis" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/willyrgf/rust-api-json-redis 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/willyrgf/rust-api-json-redis
[INFO] finished tweaking git repo https://github.com/willyrgf/rust-api-json-redis
[INFO] tweaked toml for git repo https://github.com/willyrgf/rust-api-json-redis written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded hyper v0.14.11
[INFO] [stderr]   Downloaded socket2 v0.4.1
[INFO] [stderr]   Downloaded http-body v0.4.3
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded redis v0.19.0
[INFO] [stderr]   Downloaded async-trait v0.1.51
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded buf_redux v0.8.4
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded multipart v0.17.1
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded mobc-redis v0.7.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.26
[INFO] [stderr]   Downloaded combine v4.6.0
[INFO] [stderr]   Downloaded slab v0.4.4
[INFO] [stderr]   Downloaded unicode-bidi v0.3.6
[INFO] [stderr]   Downloaded headers v0.3.4
[INFO] [stderr]   Downloaded tinyvec v1.3.1
[INFO] [stderr]   Downloaded matches v0.1.9
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded thiserror v1.0.26
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded warp v0.3.1
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded twoway v0.1.8
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded pin-project-internal v1.0.8
[INFO] [stderr]   Downloaded pin-project v1.0.8
[INFO] [stderr]   Downloaded sha-1 v0.9.7
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded tokio v1.10.0
[INFO] [stderr]   Downloaded mobc v0.7.3
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] dfc5347117e42a2c273cb8772b1cc150738c232c3486add7e383f3b49ce78030
[INFO] running `Command { std: "docker" "start" "-a" "dfc5347117e42a2c273cb8772b1cc150738c232c3486add7e383f3b49ce78030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc5347117e42a2c273cb8772b1cc150738c232c3486add7e383f3b49ce78030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc5347117e42a2c273cb8772b1cc150738c232c3486add7e383f3b49ce78030", kill_on_drop: false }`
[INFO] [stdout] dfc5347117e42a2c273cb8772b1cc150738c232c3486add7e383f3b49ce78030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d2a4b6ebed6d55c9b4958da959d3e6d3d5d9d22ffd84dec4eed2b987cd8fd95d
[INFO] running `Command { std: "docker" "start" "-a" "d2a4b6ebed6d55c9b4958da959d3e6d3d5d9d22ffd84dec4eed2b987cd8fd95d", 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" "d2a4b6ebed6d55c9b4958da959d3e6d3d5d9d22ffd84dec4eed2b987cd8fd95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a4b6ebed6d55c9b4958da959d3e6d3d5d9d22ffd84dec4eed2b987cd8fd95d", kill_on_drop: false }`
[INFO] [stdout] d2a4b6ebed6d55c9b4958da959d3e6d3d5d9d22ffd84dec4eed2b987cd8fd95d