[INFO] cloning repository https://github.com/rust-lang-nursery/rls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/rls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 838a83425b867bb0a6434216da75b01478eff160
[INFO] checking rust-lang-nursery/rls against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/rls 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] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/rls
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/rls
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/rls written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/rls 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/rust-lang/cargo`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rust-clippy`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/rustfmt`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.8.0
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded memmap2 v0.2.2
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] [stderr]   Downloaded rustc-rayon v0.3.1
[INFO] [stderr]   Downloaded git2 v0.13.17
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v718.0.0
[INFO] [stderr]   Downloaded lsp-types v0.60.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v718.0.0
[INFO] [stderr]   Downloaded stacker v0.1.13
[INFO] [stderr]   Downloaded tracing v0.1.23
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded jsonrpc-client-transports v17.0.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.4
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded lsp-codec v0.2.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v718.0.0
[INFO] [stderr]   Downloaded serde_ignored v0.1.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v718.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v718.0.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v17.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v718.0.0
[INFO] [stderr]   Downloaded if_chain v1.0.1
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v718.0.0
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.12
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v718.0.0
[INFO] [stderr]   Downloaded jsonrpc-derive v17.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v718.0.0
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded rls-data v0.19.1
[INFO] [stderr]   Downloaded tar v0.4.32
[INFO] [stderr]   Downloaded arrayvec v0.7.0
[INFO] [stderr]   Downloaded jsonrpc-core v17.0.0
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v17.0.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v718.0.0
[INFO] [stderr]   Downloaded racer v2.1.47
[INFO] [stderr]   Downloaded idna v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v718.0.0
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.1
[INFO] [stderr]   Downloaded psm v0.1.12
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]   Downloaded rustc-semver v1.1.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v17.0.0
[INFO] [stderr]   Downloaded ordslice v0.3.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v17.0.0
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded rls-span v0.5.4
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]   Downloaded fst v0.4.5
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v718.0.0
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v718.0.0
[INFO] [stderr]   Downloaded sha-1 v0.9.3
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]   Downloaded rustc_tools_util v0.2.0
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded measureme v9.1.1
[INFO] [stderr]   Downloaded rls-vfs v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] bd11049d1dbff8d7469bd6fe4e71e5557089c4cd3cda51ef6b323ce2aa67d69a
[INFO] running `Command { std: "docker" "start" "-a" "bd11049d1dbff8d7469bd6fe4e71e5557089c4cd3cda51ef6b323ce2aa67d69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd11049d1dbff8d7469bd6fe4e71e5557089c4cd3cda51ef6b323ce2aa67d69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd11049d1dbff8d7469bd6fe4e71e5557089c4cd3cda51ef6b323ce2aa67d69a", kill_on_drop: false }`
[INFO] [stdout] bd11049d1dbff8d7469bd6fe4e71e5557089c4cd3cda51ef6b323ce2aa67d69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b9f58ebef661a9c9b25b6ecfae64eec1141e1caa7bdb6642ed34cc59a22a074c
[INFO] running `Command { std: "docker" "start" "-a" "b9f58ebef661a9c9b25b6ecfae64eec1141e1caa7bdb6642ed34cc59a22a074c", 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" "b9f58ebef661a9c9b25b6ecfae64eec1141e1caa7bdb6642ed34cc59a22a074c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f58ebef661a9c9b25b6ecfae64eec1141e1caa7bdb6642ed34cc59a22a074c", kill_on_drop: false }`
[INFO] [stdout] b9f58ebef661a9c9b25b6ecfae64eec1141e1caa7bdb6642ed34cc59a22a074c