[INFO] cloning repository https://github.com/Stanislav-Lapata/snippets-ls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Stanislav-Lapata/snippets-ls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStanislav-Lapata%2Fsnippets-ls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStanislav-Lapata%2Fsnippets-ls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 387cfa2476e80aff888c452e0f893704cbef4292
[INFO] checking Stanislav-Lapata/snippets-ls against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStanislav-Lapata%2Fsnippets-ls" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stanislav-Lapata/snippets-ls on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Stanislav-Lapata/snippets-ls
[INFO] finished tweaking git repo https://github.com/Stanislav-Lapata/snippets-ls
[INFO] tweaked toml for git repo https://github.com/Stanislav-Lapata/snippets-ls written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Stanislav-Lapata/snippets-ls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.177
[INFO] [stderr]   Downloaded lsp-server v0.7.2
[INFO] [stderr]   Downloaded lsp-types v0.94.0
[INFO] [stderr]   Downloaded serde_derive v1.0.177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b78a39707bf83181afd729e1e2466e7965d89d65d14387903f296c9a841c4578
[INFO] running `Command { std: "docker" "start" "-a" "b78a39707bf83181afd729e1e2466e7965d89d65d14387903f296c9a841c4578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b78a39707bf83181afd729e1e2466e7965d89d65d14387903f296c9a841c4578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78a39707bf83181afd729e1e2466e7965d89d65d14387903f296c9a841c4578", kill_on_drop: false }`
[INFO] [stdout] b78a39707bf83181afd729e1e2466e7965d89d65d14387903f296c9a841c4578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54facf9e2dfc79a700d0b5111233900b729bd382283b07774ec4580d2a4718cf
[INFO] running `Command { std: "docker" "start" "-a" "54facf9e2dfc79a700d0b5111233900b729bd382283b07774ec4580d2a4718cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]    Compiling serde_derive v1.0.177
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking winnow v0.5.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking lsp-server v0.7.2
[INFO] [stderr]     Checking lsp-types v0.94.0
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking snippets-ls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.52s
[INFO] running `Command { std: "docker" "inspect" "54facf9e2dfc79a700d0b5111233900b729bd382283b07774ec4580d2a4718cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54facf9e2dfc79a700d0b5111233900b729bd382283b07774ec4580d2a4718cf", kill_on_drop: false }`
[INFO] [stdout] 54facf9e2dfc79a700d0b5111233900b729bd382283b07774ec4580d2a4718cf