[INFO] fetching crate df_ls_lexical_analysis 0.3.0-rc.1...
[INFO] checking df_ls_lexical_analysis-0.3.0-rc.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate df_ls_lexical_analysis 0.3.0-rc.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate df_ls_lexical_analysis 0.3.0-rc.1 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 crates.io crate df_ls_lexical_analysis 0.3.0-rc.1
[INFO] finished tweaking crates.io crate df_ls_lexical_analysis 0.3.0-rc.1
[INFO] tweaked toml for crates.io crate df_ls_lexical_analysis 0.3.0-rc.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 72 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding lsp-types v0.93.2 (latest: v0.95.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding rust-embed v6.8.1 (latest: v8.3.0)
[INFO] [stderr]       Adding rust-embed-impl v6.8.1 (latest: v8.3.0)
[INFO] [stderr]       Adding rust-embed-utils v7.8.1 (latest: v8.3.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-embed-utils v7.8.1
[INFO] [stderr]   Downloaded df_ls_diagnostics v0.3.0-rc.1
[INFO] [stderr]   Downloaded rust-embed-impl v6.8.1
[INFO] [stderr]   Downloaded lsp-types v0.93.2
[INFO] [stderr]   Downloaded df_cp437 v1.1.0
[INFO] [stderr]   Downloaded rust-embed v6.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 79a30f598a563603a811f972bb6a9f78837773f1bd2c06a0376cebf8a0347236
[INFO] running `Command { std: "docker" "start" "-a" "79a30f598a563603a811f972bb6a9f78837773f1bd2c06a0376cebf8a0347236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a30f598a563603a811f972bb6a9f78837773f1bd2c06a0376cebf8a0347236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a30f598a563603a811f972bb6a9f78837773f1bd2c06a0376cebf8a0347236", kill_on_drop: false }`
[INFO] [stdout] 79a30f598a563603a811f972bb6a9f78837773f1bd2c06a0376cebf8a0347236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 46dd5a5a43acdf21f932fbd46c34827b22918ce67539bd5f0a75b63c377611c7
[INFO] running `Command { std: "docker" "start" "-a" "46dd5a5a43acdf21f932fbd46c34827b22918ce67539bd5f0a75b63c377611c7", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking df_cp437 v1.1.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling rust-embed-utils v7.8.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling rust-embed-impl v6.8.1
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking rust-embed v6.8.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking lsp-types v0.93.2
[INFO] [stderr]     Checking df_ls_diagnostics v0.3.0-rc.1
[INFO] [stderr]     Checking df_ls_lexical_analysis v0.3.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.22s
[INFO] running `Command { std: "docker" "inspect" "46dd5a5a43acdf21f932fbd46c34827b22918ce67539bd5f0a75b63c377611c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dd5a5a43acdf21f932fbd46c34827b22918ce67539bd5f0a75b63c377611c7", kill_on_drop: false }`
[INFO] [stdout] 46dd5a5a43acdf21f932fbd46c34827b22918ce67539bd5f0a75b63c377611c7
[INFO] checking df_ls_lexical_analysis-0.3.0-rc.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate df_ls_lexical_analysis 0.3.0-rc.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate df_ls_lexical_analysis 0.3.0-rc.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate df_ls_lexical_analysis 0.3.0-rc.1
[INFO] finished tweaking crates.io crate df_ls_lexical_analysis 0.3.0-rc.1
[INFO] tweaked toml for crates.io crate df_ls_lexical_analysis 0.3.0-rc.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 532a9418c9b80fa0085669381d54b525ecd8d38edbd0ba264fb5e80202b5a286
[INFO] running `Command { std: "docker" "start" "-a" "532a9418c9b80fa0085669381d54b525ecd8d38edbd0ba264fb5e80202b5a286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "532a9418c9b80fa0085669381d54b525ecd8d38edbd0ba264fb5e80202b5a286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532a9418c9b80fa0085669381d54b525ecd8d38edbd0ba264fb5e80202b5a286", kill_on_drop: false }`
[INFO] [stdout] 532a9418c9b80fa0085669381d54b525ecd8d38edbd0ba264fb5e80202b5a286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e2994bd516ad7ad6f0979d9958648bc62557587616d3a98f7abbd3a4bbc5fd
[INFO] running `Command { std: "docker" "start" "-a" "55e2994bd516ad7ad6f0979d9958648bc62557587616d3a98f7abbd3a4bbc5fd", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking df_cp437 v1.1.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rust-embed-utils v7.8.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling rust-embed-impl v6.8.1
[INFO] [stderr]     Checking rust-embed v6.8.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking lsp-types v0.93.2
[INFO] [stderr]     Checking df_ls_diagnostics v0.3.0-rc.1
[INFO] [stderr]     Checking df_ls_lexical_analysis v0.3.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.80s
[INFO] running `Command { std: "docker" "inspect" "55e2994bd516ad7ad6f0979d9958648bc62557587616d3a98f7abbd3a4bbc5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e2994bd516ad7ad6f0979d9958648bc62557587616d3a98f7abbd3a4bbc5fd", kill_on_drop: false }`
[INFO] [stdout] 55e2994bd516ad7ad6f0979d9958648bc62557587616d3a98f7abbd3a4bbc5fd