[INFO] fetching crate json-ld-context-processing 0.15.0...
[INFO] checking json-ld-context-processing-0.15.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate json-ld-context-processing 0.15.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate json-ld-context-processing 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-context-processing 0.15.0
[INFO] finished tweaking crates.io crate json-ld-context-processing 0.15.0
[INFO] tweaked toml for crates.io crate json-ld-context-processing 0.15.0 written to /workspace/builds/worker-7-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 69 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[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 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 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 rdf-types v0.15.4 (latest: v0.22.4)
[INFO] [stderr]       Adding ryu-js v0.2.2 (latest: v1.0.1)
[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] 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 contextual v0.1.6
[INFO] [stderr]   Downloaded langtag v0.3.4
[INFO] [stderr]   Downloaded pct-str v1.2.0
[INFO] [stderr]   Downloaded utf8-decode v1.0.1
[INFO] [stderr]   Downloaded iref v2.2.3
[INFO] [stderr]   Downloaded locspan v0.7.16
[INFO] [stderr]   Downloaded locspan-derive v0.6.0
[INFO] [stderr]   Downloaded ryu_floating_decimal v0.1.0
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded json-ld-core v0.15.1
[INFO] [stderr]   Downloaded smallstr v0.3.0
[INFO] [stderr]   Downloaded static-iref v2.0.0
[INFO] [stderr]   Downloaded json-number v0.4.8
[INFO] [stderr]   Downloaded json-syntax v0.9.6
[INFO] [stderr]   Downloaded json-ld-syntax v0.15.1
[INFO] [stderr]   Downloaded mown v0.2.2
[INFO] [stderr]   Downloaded pretty_dtoa v0.3.0
[INFO] [stderr]   Downloaded decoded-char v0.1.1
[INFO] [stderr]   Downloaded rdf-types v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7571b772130bdc7a73b23a779b048a4371769a210e52a0fb36404c98923d6a8b
[INFO] running `Command { std: "docker" "start" "-a" "7571b772130bdc7a73b23a779b048a4371769a210e52a0fb36404c98923d6a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7571b772130bdc7a73b23a779b048a4371769a210e52a0fb36404c98923d6a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7571b772130bdc7a73b23a779b048a4371769a210e52a0fb36404c98923d6a8b", kill_on_drop: false }`
[INFO] [stdout] 7571b772130bdc7a73b23a779b048a4371769a210e52a0fb36404c98923d6a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cb843f7c1d28d79bd41acf5108a50d2e2ac0aa994ec1f3033a821a9d59987fdf
[INFO] running `Command { std: "docker" "start" "-a" "cb843f7c1d28d79bd41acf5108a50d2e2ac0aa994ec1f3033a821a9d59987fdf", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[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]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking contextual v0.1.6
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling ryu_floating_decimal v0.1.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking pct-str v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking smallstr v0.3.0
[INFO] [stderr]     Checking iref v2.2.3
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking decoded-char v0.1.1
[INFO] [stderr]     Checking langtag v0.3.4
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking mown v0.2.2
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking pretty_dtoa v0.3.0
[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 getrandom v0.2.12
[INFO] [stderr]    Compiling static-iref v2.0.0
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking lexical-core v0.8.5
[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]    Compiling locspan-derive v0.6.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking json-syntax v0.9.6
[INFO] [stderr]     Checking thiserror v1.0.58
[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 v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "cb843f7c1d28d79bd41acf5108a50d2e2ac0aa994ec1f3033a821a9d59987fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb843f7c1d28d79bd41acf5108a50d2e2ac0aa994ec1f3033a821a9d59987fdf", kill_on_drop: false }`
[INFO] [stdout] cb843f7c1d28d79bd41acf5108a50d2e2ac0aa994ec1f3033a821a9d59987fdf
[INFO] checking json-ld-context-processing-0.15.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate json-ld-context-processing 0.15.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate json-ld-context-processing 0.15.0 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 json-ld-context-processing 0.15.0
[INFO] finished tweaking crates.io crate json-ld-context-processing 0.15.0
[INFO] tweaked toml for crates.io crate json-ld-context-processing 0.15.0 written to /workspace/builds/worker-7-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]     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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9a79304232f43788bd5791d41422a5ddf5b85d75bf424242481752063fdaa963
[INFO] running `Command { std: "docker" "start" "-a" "9a79304232f43788bd5791d41422a5ddf5b85d75bf424242481752063fdaa963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a79304232f43788bd5791d41422a5ddf5b85d75bf424242481752063fdaa963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a79304232f43788bd5791d41422a5ddf5b85d75bf424242481752063fdaa963", kill_on_drop: false }`
[INFO] [stdout] 9a79304232f43788bd5791d41422a5ddf5b85d75bf424242481752063fdaa963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d237b6beeb30e5b71b28fa32bd1e689aae86bbdf337f728edb36f59d242047bb
[INFO] running `Command { std: "docker" "start" "-a" "d237b6beeb30e5b71b28fa32bd1e689aae86bbdf337f728edb36f59d242047bb", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking contextual v0.1.6
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]    Compiling ryu_floating_decimal v0.1.0
[INFO] [stderr]     Checking pct-str v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking smallstr v0.3.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking langtag v0.3.4
[INFO] [stderr]     Checking iref v2.2.3
[INFO] [stderr]     Checking decoded-char v0.1.1
[INFO] [stderr]     Checking mown v0.2.2
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking pretty_dtoa v0.3.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling static-iref v2.0.0
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking locspan v0.7.16
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]     Checking json-number v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling locspan-derive v0.6.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.58
[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 v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `Command { std: "docker" "inspect" "d237b6beeb30e5b71b28fa32bd1e689aae86bbdf337f728edb36f59d242047bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d237b6beeb30e5b71b28fa32bd1e689aae86bbdf337f728edb36f59d242047bb", kill_on_drop: false }`
[INFO] [stdout] d237b6beeb30e5b71b28fa32bd1e689aae86bbdf337f728edb36f59d242047bb