[INFO] cloning repository https://github.com/richwandell/rust-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richwandell/rust-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichwandell%2Frust-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichwandell%2Frust-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 007a63ae69d3327a7bee9bf02ad04a55e9421a25
[INFO] checking richwandell/rust-redis against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichwandell%2Frust-redis" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richwandell/rust-redis 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/richwandell/rust-redis
[INFO] finished tweaking git repo https://github.com/richwandell/rust-redis
[INFO] tweaked toml for git repo https://github.com/richwandell/rust-redis written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/richwandell/rust-redis 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 owning_ref v0.2.4
[INFO] [stderr]   Downloaded crc16 v0.3.4
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] [stderr]   Downloaded multiqueue v0.3.2
[INFO] [stderr]   Downloaded cookie-factory v0.2.4
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded smallvec v0.3.4
[INFO] [stderr]   Downloaded redis-protocol v2.0.0
[INFO] [stderr]   Downloaded redis-protocol-parser v0.1.2
[INFO] [stderr]   Downloaded resp v1.0.2
[INFO] [stderr]   Downloaded spmc v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 06057e7bbc17e08f4fc836650ebd44b3a54b123169e9f2c53a27a8675139ec9c
[INFO] running `Command { std: "docker" "start" "-a" "06057e7bbc17e08f4fc836650ebd44b3a54b123169e9f2c53a27a8675139ec9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06057e7bbc17e08f4fc836650ebd44b3a54b123169e9f2c53a27a8675139ec9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06057e7bbc17e08f4fc836650ebd44b3a54b123169e9f2c53a27a8675139ec9c", kill_on_drop: false }`
[INFO] [stdout] 06057e7bbc17e08f4fc836650ebd44b3a54b123169e9f2c53a27a8675139ec9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] ba6e24669ff6db82c1359d18247754e72e673541835123034dbcc16e92019040
[INFO] running `Command { std: "docker" "start" "-a" "ba6e24669ff6db82c1359d18247754e72e673541835123034dbcc16e92019040", kill_on_drop: false }`
[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" "ba6e24669ff6db82c1359d18247754e72e673541835123034dbcc16e92019040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6e24669ff6db82c1359d18247754e72e673541835123034dbcc16e92019040", kill_on_drop: false }`
[INFO] [stdout] ba6e24669ff6db82c1359d18247754e72e673541835123034dbcc16e92019040