[INFO] fetching crate buzzec-strip-dag-node 1.0.0... [INFO] checking buzzec-strip-dag-node-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate buzzec-strip-dag-node 1.0.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate buzzec-strip-dag-node 1.0.0 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 buzzec-strip-dag-node 1.0.0 [INFO] finished tweaking crates.io crate buzzec-strip-dag-node 1.0.0 [INFO] tweaked toml for crates.io crate buzzec-strip-dag-node 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate buzzec-strip-dag-node 1.0.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt v0.3.21 [INFO] [stderr] Downloaded structopt-derive v0.4.14 [INFO] [stderr] Downloaded heck v0.3.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.27 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded predicates-tree v1.0.2 [INFO] [stderr] Downloaded predicates v1.0.8 [INFO] [stderr] Downloaded assert_cmd v1.0.4 [INFO] [stderr] Downloaded bimap v0.6.1 [INFO] [stderr] Downloaded predicates-core v1.0.2 [INFO] [stderr] Downloaded regex-automata v0.1.9 [INFO] [stderr] Downloaded slotmap v1.0.3 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded bstr v0.2.16 [INFO] [stderr] Downloaded unicode-segmentation v1.7.1 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded version_check v0.9.3 [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] 1ea63d5672b5141ab4d6efb00b9b905088f399df5de1db27a594069eb8dc2633 [INFO] running `Command { std: "docker" "start" "-a" "1ea63d5672b5141ab4d6efb00b9b905088f399df5de1db27a594069eb8dc2633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ea63d5672b5141ab4d6efb00b9b905088f399df5de1db27a594069eb8dc2633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ea63d5672b5141ab4d6efb00b9b905088f399df5de1db27a594069eb8dc2633", kill_on_drop: false }` [INFO] [stdout] 1ea63d5672b5141ab4d6efb00b9b905088f399df5de1db27a594069eb8dc2633 [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] 4a03a5a13283b73f19f7b27565f6d9096b42d7e5ca861e63146798af1cc530c3 [INFO] running `Command { std: "docker" "start" "-a" "4a03a5a13283b73f19f7b27565f6d9096b42d7e5ca861e63146798af1cc530c3", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking bimap v0.6.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling slotmap v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking assert_cmd v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking buzzec-strip-dag-node v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/dag.rs:219:19 [INFO] [stdout] | [INFO] [stdout] 219 | CycleDetected(Option>), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 219 | CycleDetected(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first`, `second`, and `third` are never read [INFO] [stdout] --> src/dag.rs:232:9 [INFO] [stdout] | [INFO] [stdout] 231 | BadArgumentPart { [INFO] [stdout] | --------------- fields in this variant [INFO] [stdout] 232 | first: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 233 | second: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 234 | third: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/dag.rs:219:19 [INFO] [stdout] | [INFO] [stdout] 219 | CycleDetected(Option>), [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 219 | CycleDetected(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first`, `second`, and `third` are never read [INFO] [stdout] --> src/dag.rs:232:9 [INFO] [stdout] | [INFO] [stdout] 231 | BadArgumentPart { [INFO] [stdout] | --------------- fields in this variant [INFO] [stdout] 232 | first: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 233 | second: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 234 | third: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s [INFO] running `Command { std: "docker" "inspect" "4a03a5a13283b73f19f7b27565f6d9096b42d7e5ca861e63146798af1cc530c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a03a5a13283b73f19f7b27565f6d9096b42d7e5ca861e63146798af1cc530c3", kill_on_drop: false }` [INFO] [stdout] 4a03a5a13283b73f19f7b27565f6d9096b42d7e5ca861e63146798af1cc530c3