[INFO] fetching crate parse_mediawiki_dump 0.1.0...
[INFO] checking parse_mediawiki_dump-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate parse_mediawiki_dump 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate parse_mediawiki_dump 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parse_mediawiki_dump 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate parse_mediawiki_dump 0.1.0
[INFO] tweaked toml for crates.io crate parse_mediawiki_dump 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages
[INFO] [stderr]       Adding bzip2 v0.3.3 (latest: v0.4.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quick-xml v0.12.4 (latest: v0.31.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.12.4
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7c1a4c8396f84b04f7b6f34b28ace6da1c531bd9132a1b76dad4c3661e68c3a
[INFO] running `Command { std: "docker" "start" "-a" "e7c1a4c8396f84b04f7b6f34b28ace6da1c531bd9132a1b76dad4c3661e68c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7c1a4c8396f84b04f7b6f34b28ace6da1c531bd9132a1b76dad4c3661e68c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c1a4c8396f84b04f7b6f34b28ace6da1c531bd9132a1b76dad4c3661e68c3a", kill_on_drop: false }`
[INFO] [stdout] e7c1a4c8396f84b04f7b6f34b28ace6da1c531bd9132a1b76dad4c3661e68c3a
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542bd2495500aa8c7c7905bed287ba740d4c650f6fe1f8c12e1fdd363fe9cd2a
[INFO] running `Command { std: "docker" "start" "-a" "542bd2495500aa8c7c7905bed287ba740d4c650f6fe1f8c12e1fdd363fe9cd2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking quick-xml v0.12.4
[INFO] [stderr]     Checking parse_mediawiki_dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.12.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "542bd2495500aa8c7c7905bed287ba740d4c650f6fe1f8c12e1fdd363fe9cd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542bd2495500aa8c7c7905bed287ba740d4c650f6fe1f8c12e1fdd363fe9cd2a", kill_on_drop: false }`
[INFO] [stdout] 542bd2495500aa8c7c7905bed287ba740d4c650f6fe1f8c12e1fdd363fe9cd2a