[INFO] fetching crate rustupolis 0.0.2... [INFO] checking rustupolis-0.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rustupolis 0.0.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rustupolis 0.0.2 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 rustupolis 0.0.2 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate rustupolis 0.0.2 [INFO] tweaked toml for crates.io crate rustupolis 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate rustupolis 0.0.2 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 hermit-abi v0.1.12 [INFO] [stderr] Downloaded rand_isaac v0.2.0 [INFO] [stderr] Downloaded futures v0.3.5 [INFO] [stderr] Downloaded futures-executor v0.3.5 [INFO] [stderr] Downloaded pin-project v0.4.17 [INFO] [stderr] Downloaded proc-macro-nested v0.1.4 [INFO] [stderr] Downloaded cc v1.0.52 [INFO] [stderr] Downloaded backtrace v0.3.46 [INFO] [stderr] Downloaded regex v1.3.7 [INFO] [stderr] Downloaded syn v1.0.22 [INFO] [stderr] Downloaded error-chain v0.12.2 [INFO] [stderr] Downloaded backtrace-sys v0.1.37 [INFO] [stderr] Downloaded futures-macro v0.3.5 [INFO] [stderr] Downloaded once_cell v1.4.0 [INFO] [stderr] Downloaded pin-project-internal v0.4.17 [INFO] [stderr] Downloaded proc-macro-hack v0.5.15 [INFO] [stderr] Downloaded indextree-ng v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 18a79b4c4ddec7dda19f2759db37fadcac4c8780c3369952e758d1714c19b1df [INFO] running `Command { std: "docker" "start" "-a" "18a79b4c4ddec7dda19f2759db37fadcac4c8780c3369952e758d1714c19b1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18a79b4c4ddec7dda19f2759db37fadcac4c8780c3369952e758d1714c19b1df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18a79b4c4ddec7dda19f2759db37fadcac4c8780c3369952e758d1714c19b1df", kill_on_drop: false }` [INFO] [stdout] 18a79b4c4ddec7dda19f2759db37fadcac4c8780c3369952e758d1714c19b1df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 936f0c235e6a6af270207eda787d97e496a9ef8d510fc343593f785071a12ebe [INFO] running `Command { std: "docker" "start" "-a" "936f0c235e6a6af270207eda787d97e496a9ef8d510fc343593f785071a12ebe", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking rand_isaac v0.2.0 [INFO] [stderr] Checking indextree-ng v1.0.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Checking pin-project v0.4.17 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking rustupolis v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib/tuple.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib/tuple.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.06s [INFO] running `Command { std: "docker" "inspect" "936f0c235e6a6af270207eda787d97e496a9ef8d510fc343593f785071a12ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "936f0c235e6a6af270207eda787d97e496a9ef8d510fc343593f785071a12ebe", kill_on_drop: false }` [INFO] [stdout] 936f0c235e6a6af270207eda787d97e496a9ef8d510fc343593f785071a12ebe