[INFO] cloning repository https://github.com/exul/matrix-rocketchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exul/matrix-rocketchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexul%2Fmatrix-rocketchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexul%2Fmatrix-rocketchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 917251f0e3ce3aebdbff52e0309efc54b5acf8ff
[INFO] checking exul/matrix-rocketchat against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexul%2Fmatrix-rocketchat" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exul/matrix-rocketchat 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/exul/matrix-rocketchat
[INFO] finished tweaking git repo https://github.com/exul/matrix-rocketchat
[INFO] tweaked toml for git repo https://github.com/exul/matrix-rocketchat written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/exul/matrix-rocketchat 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]     Updating git repository `https://github.com/exul/ruma-client-api.git`
[INFO] [stderr]     Updating git repository `https://github.com/exul/ruma-api`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded route-recognizer v0.1.12
[INFO] [stderr]   Downloaded persistent v0.4.0
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded reqwest v0.9.16
[INFO] [stderr]   Downloaded hyper-native-tls v0.3.0
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded router v0.6.0
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded slog v2.4.1
[INFO] [stderr]   Downloaded openssl v0.10.21
[INFO] [stderr]   Downloaded hyper v0.12.28
[INFO] [stderr]   Downloaded openssl-sys v0.9.44
[INFO] [stderr]   Downloaded r2d2-diesel v1.0.0
[INFO] [stderr]   Downloaded ruma-identifiers v0.12.1
[INFO] [stderr]   Downloaded ruma-signatures v0.4.2
[INFO] [stderr]   Downloaded ruma-events v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 9dda96e962576d838d3ba3c95ef4a898c94ed453b03404ddc73ac13f78eec2cd
[INFO] running `Command { std: "docker" "start" "-a" "9dda96e962576d838d3ba3c95ef4a898c94ed453b03404ddc73ac13f78eec2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dda96e962576d838d3ba3c95ef4a898c94ed453b03404ddc73ac13f78eec2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dda96e962576d838d3ba3c95ef4a898c94ed453b03404ddc73ac13f78eec2cd", kill_on_drop: false }`
[INFO] [stdout] 9dda96e962576d838d3ba3c95ef4a898c94ed453b03404ddc73ac13f78eec2cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] bb729856a7854ebca073b0ada2597b33bfa7764aadb728bdba4a392a98e6409a
[INFO] running `Command { std: "docker" "start" "-a" "bb729856a7854ebca073b0ada2597b33bfa7764aadb728bdba4a392a98e6409a", 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" "bb729856a7854ebca073b0ada2597b33bfa7764aadb728bdba4a392a98e6409a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb729856a7854ebca073b0ada2597b33bfa7764aadb728bdba4a392a98e6409a", kill_on_drop: false }`
[INFO] [stdout] bb729856a7854ebca073b0ada2597b33bfa7764aadb728bdba4a392a98e6409a