[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] abcfc02a197eb11d05ec68382f7a76cf622afd95
[INFO] checking rust-lang-nursery/rls against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/rls on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/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-1/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 rustc-semver v1.1.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v718.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v718.0.0
[INFO] [stderr]   Downloaded measureme v9.1.1
[INFO] [stderr]   Downloaded memmap2 v0.2.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v718.0.0
[INFO] [stderr]   Downloaded racer v2.1.47
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v718.0.0
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded lsp-codec v0.3.0
[INFO] [stderr]   Downloaded rls-data v0.19.1
[INFO] [stderr]   Downloaded sized-chunks v0.6.4
[INFO] [stderr]   Downloaded rls-span v0.5.4
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.1
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v718.0.0
[INFO] [stderr]   Downloaded ordslice v0.3.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v718.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v718.0.0
[INFO] [stderr]   Downloaded serde_ignored v0.1.2
[INFO] [stderr]   Downloaded fst v0.4.7
[INFO] [stderr]   Downloaded rls-vfs v0.8.0
[INFO] [stderr]   Downloaded lsp-types v0.60.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80f1e672bf5696e50d4f32821695d85fc79acb3156aa244a79ad888a55d2a3a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80f1e672bf5696e50d4f32821695d85fc79acb3156aa244a79ad888a55d2a3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f1e672bf5696e50d4f32821695d85fc79acb3156aa244a79ad888a55d2a3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f1e672bf5696e50d4f32821695d85fc79acb3156aa244a79ad888a55d2a3a0", kill_on_drop: false }`
[INFO] [stdout] 80f1e672bf5696e50d4f32821695d85fc79acb3156aa244a79ad888a55d2a3a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6524837303ce75662aa6950b8e13f1b589a635176d1c6fc40862a495e45ffb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d6524837303ce75662aa6950b8e13f1b589a635176d1c6fc40862a495e45ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]    Compiling rustc_tools_util v0.2.0
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.37 (https://github.com/rust-lang/rustfmt?rev=28460e1e9aff317fa1bbca95b22421e7ccd7723d#28460e1e)
[INFO] [stderr]     Checking bytesize v1.0.1
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling rls v1.41.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking bstr v0.2.14
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[INFO] [stderr]     Checking regex v1.4.3
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[INFO] [stderr]     Checking sized-chunks v0.6.4
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking rustc-rayon v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling psm v0.1.12
[INFO] [stderr]    Compiling stacker v0.1.13
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling cargo v0.54.0 (https://github.com/rust-lang/cargo?rev=8dd533662007374412f460b4e442d3f8c193bff9#8dd53366)
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking cargo-util v0.1.0 (https://github.com/rust-lang/cargo?rev=8dd533662007374412f460b4e442d3f8c193bff9#8dd53366)
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v718.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.2.0 (https://github.com/rust-lang/rustfmt?rev=28460e1e9aff317fa1bbca95b22421e7ccd7723d#28460e1e)
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking rustc-ap-rustc_index v718.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v718.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v718.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v718.0.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stdout] error[E0199]: implementing the trait `Step` is not unsafe
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-718.0.0/src/def_id.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / rustc_index::newtype_index! {
[INFO] [stdout] 13 | |     pub struct CrateId {
[INFO] [stdout] 14 | |         ENCODABLE = custom
[INFO] [stdout] 15 | |     }
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::newtype_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0199]: implementing the trait `Step` is not unsafe
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-718.0.0/src/def_id.rs:208:1
[INFO] [stdout]     |
[INFO] [stdout] 208 | / rustc_index::newtype_index! {
[INFO] [stdout] 209 | |     /// A DefIndex is an index into the hir-map for a crate, identifying a
[INFO] [stdout] 210 | |     /// particular definition. It should really be considered an interned
[INFO] [stdout] 211 | |     /// shorthand for a particular DefPath.
[INFO] [stdout] ...   |
[INFO] [stdout] 219 | |     }
[INFO] [stdout] 220 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::newtype_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parity-tokio-ipc v0.9.0
[INFO] [stdout] error[E0199]: implementing the trait `Step` is not unsafe
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_span-718.0.0/src/symbol.rs:1510:1
[INFO] [stdout]      |
[INFO] [stdout] 1510 | / rustc_index::newtype_index! {
[INFO] [stdout] 1511 | |     pub struct SymbolIndex { .. }
[INFO] [stdout] 1512 | | }
[INFO] [stdout]      | |_^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::newtype_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0199`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_span` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2d6524837303ce75662aa6950b8e13f1b589a635176d1c6fc40862a495e45ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6524837303ce75662aa6950b8e13f1b589a635176d1c6fc40862a495e45ffb", kill_on_drop: false }`
[INFO] [stdout] 2d6524837303ce75662aa6950b8e13f1b589a635176d1c6fc40862a495e45ffb