[INFO] fetching crate rdftk_io 0.3.0...
[INFO] checking rdftk_io-0.3.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate rdftk_io 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rdftk_io 0.3.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdftk_io 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rdftk_io 0.3.0
[INFO] tweaked toml for crates.io crate rdftk_io 0.3.0 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 98 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.5)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unique_id v0.1.5
[INFO] [stderr]   Downloaded rdftk_iri v0.2.3
[INFO] [stderr]   Downloaded rdftk_core v0.4.4
[INFO] [stderr]   Downloaded objio v0.1.2
[INFO] [stderr]   Downloaded blob-uuid v0.5.0
[INFO] [stderr]   Downloaded rdftk_names v0.2.2
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 475db467976f047b18e96d8f4b1315d41401da9faada02842be7cd70d3c7553c
[INFO] running `Command { std: "docker" "start" "-a" "475db467976f047b18e96d8f4b1315d41401da9faada02842be7cd70d3c7553c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475db467976f047b18e96d8f4b1315d41401da9faada02842be7cd70d3c7553c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475db467976f047b18e96d8f4b1315d41401da9faada02842be7cd70d3c7553c", kill_on_drop: false }`
[INFO] [stdout] 475db467976f047b18e96d8f4b1315d41401da9faada02842be7cd70d3c7553c
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80a373b6d5f5b55b89d76efff848cf8c1be05835c483d990c8091f90a3538896
[INFO] running `Command { std: "docker" "start" "-a" "80a373b6d5f5b55b89d76efff848cf8c1be05835c483d990c8091f90a3538896", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking objio v0.1.2
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking xml-rs v0.8.22
[INFO] [stderr]     Checking blob-uuid v0.5.0
[INFO] [stderr]     Checking rdftk_iri v0.2.3
[INFO] [stderr]     Checking unique_id v0.1.5
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking rdftk_names v0.2.2
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking rdftk_core v0.4.4
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking rdftk_io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `top_node`
[INFO] [stdout]   --> src/nq/reader.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let top_node = parsed.next().unwrap();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_node`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     unused, /* group */
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `factory`
[INFO] [stdout]   --> src/nq/reader.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let factory = self.options().factory().clone();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top_node`
[INFO] [stdout]   --> src/nq/reader.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let top_node = parsed.next().unwrap();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_node`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     unused, /* group */
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `factory`
[INFO] [stdout]   --> src/nq/reader.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let factory = self.options().factory().clone();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.55s
[INFO] running `Command { std: "docker" "inspect" "80a373b6d5f5b55b89d76efff848cf8c1be05835c483d990c8091f90a3538896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a373b6d5f5b55b89d76efff848cf8c1be05835c483d990c8091f90a3538896", kill_on_drop: false }`
[INFO] [stdout] 80a373b6d5f5b55b89d76efff848cf8c1be05835c483d990c8091f90a3538896