[INFO] fetching crate json-ld-expansion 0.15.0...
[INFO] checking json-ld-expansion-0.15.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate json-ld-expansion 0.15.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate json-ld-expansion 0.15.0 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 json-ld-expansion 0.15.0
[INFO] finished tweaking crates.io crate json-ld-expansion 0.15.0
[INFO] tweaked toml for crates.io crate json-ld-expansion 0.15.0 written to /workspace/builds/worker-4-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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 145 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.2)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding iref v2.2.3 (latest: v3.1.4)
[INFO] [stderr]       Adding json-syntax v0.9.6 (latest: v0.12.3)
[INFO] [stderr]       Adding langtag v0.3.4 (latest: v0.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding locspan v0.7.16 (latest: v0.8.2)
[INFO] [stderr]       Adding mown v0.2.2 (latest: v1.0.0)
[INFO] [stderr]       Adding pct-str v1.2.0 (latest: v2.0.0)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.6.0)
[INFO] [stderr]       Adding rdf-types v0.15.4 (latest: v0.22.4)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.32)
[INFO] [stderr]       Adding ryu-js v0.2.2 (latest: v1.0.1)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.6)
[INFO] [stderr]       Adding static-iref v2.0.0 (latest: v3.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_dtoa v0.3.0
[INFO] [stderr]   Downloaded static-iref v2.0.0
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded json-ld-syntax v0.15.1
[INFO] [stderr]   Downloaded json-ld-core v0.15.1
[INFO] [stderr]   Downloaded ryu-js v0.2.2
[INFO] [stderr]   Downloaded json-ld-context-processing v0.15.1
[INFO] [stderr]   Downloaded ryu_floating_decimal v0.1.0
[INFO] [stderr]   Downloaded mown v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eeed368a0b1ba84e0a90f531a7118c51fc40377b98ef5f35a046042bada3627b
[INFO] running `Command { std: "docker" "start" "-a" "eeed368a0b1ba84e0a90f531a7118c51fc40377b98ef5f35a046042bada3627b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeed368a0b1ba84e0a90f531a7118c51fc40377b98ef5f35a046042bada3627b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeed368a0b1ba84e0a90f531a7118c51fc40377b98ef5f35a046042bada3627b", kill_on_drop: false }`
[INFO] [stdout] eeed368a0b1ba84e0a90f531a7118c51fc40377b98ef5f35a046042bada3627b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0cb3db92c3cda122585a72f47ef23adb86e90588c20b5db899584b82fe3d0a6a
[INFO] running `Command { std: "docker" "start" "-a" "0cb3db92c3cda122585a72f47ef23adb86e90588c20b5db899584b82fe3d0a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking contextual v0.1.6
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling ryu_floating_decimal v0.1.0
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling pct-str v1.2.0
[INFO] [stderr]     Checking smallstr v0.3.0
[INFO] [stderr]     Checking iref v2.2.3
[INFO] [stderr]     Checking decoded-char v0.1.1
[INFO] [stderr]     Checking langtag v0.3.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking mown v0.2.2
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking pretty_dtoa v0.3.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]    Compiling static-iref v2.0.0
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking locspan v0.7.16
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]     Checking json-number v0.4.8
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling locspan-derive v0.6.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking json-syntax v0.9.6
[INFO] [stderr]     Checking rdf-types v0.15.4
[INFO] [stderr]     Checking json-ld-syntax v0.15.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking json-ld-core v0.15.1
[INFO] [stderr]     Checking json-ld-context-processing v0.15.1
[INFO] [stderr]     Checking json-ld-expansion v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.55s
[INFO] running `Command { std: "docker" "inspect" "0cb3db92c3cda122585a72f47ef23adb86e90588c20b5db899584b82fe3d0a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb3db92c3cda122585a72f47ef23adb86e90588c20b5db899584b82fe3d0a6a", kill_on_drop: false }`
[INFO] [stdout] 0cb3db92c3cda122585a72f47ef23adb86e90588c20b5db899584b82fe3d0a6a