[INFO] fetching crate file_scanner 0.2.0... [INFO] checking file_scanner-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate file_scanner 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate file_scanner 0.2.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate file_scanner 0.2.0 [INFO] finished tweaking crates.io crate file_scanner 0.2.0 [INFO] tweaked toml for crates.io crate file_scanner 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.6.10 (available: v1.1.3) [INFO] [stderr] Adding buf_redux v0.6.3 (available: v0.8.4) [INFO] [stderr] Adding memchr v1.0.2 (available: v2.7.4) [INFO] [stderr] Adding num v0.1.42 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.1.44 (available: v0.4.6) [INFO] [stderr] Adding num-complex v0.1.43 (available: v0.4.6) [INFO] [stderr] Adding num-rational v0.1.42 (available: v0.4.2) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (available: v1.10.6) [INFO] [stderr] Adding regex-syntax v0.5.6 (available: v0.8.4) [INFO] [stderr] Adding safemem v0.2.0 (available: v0.3.3) [INFO] [stderr] Adding thread_local v0.3.6 (available: v1.1.8) [INFO] [stderr] Adding ucd-util v0.1.10 (available: v0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf521ee028142ddc8dace94cb3fe7adfd04fdf0076fa74f9dd3d33b166134e66 [INFO] running `Command { std: "docker" "start" "-a" "bf521ee028142ddc8dace94cb3fe7adfd04fdf0076fa74f9dd3d33b166134e66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf521ee028142ddc8dace94cb3fe7adfd04fdf0076fa74f9dd3d33b166134e66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf521ee028142ddc8dace94cb3fe7adfd04fdf0076fa74f9dd3d33b166134e66", kill_on_drop: false }` [INFO] [stdout] bf521ee028142ddc8dace94cb3fe7adfd04fdf0076fa74f9dd3d33b166134e66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0524d593bcd1436cbf91c0f932d9ad9886846b9c4c45f4d3b93663070df4db5f [INFO] running `Command { std: "docker" "start" "-a" "0524d593bcd1436cbf91c0f932d9ad9886846b9c4c45f4d3b93663070df4db5f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking file_scanner v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "0524d593bcd1436cbf91c0f932d9ad9886846b9c4c45f4d3b93663070df4db5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0524d593bcd1436cbf91c0f932d9ad9886846b9c4c45f4d3b93663070df4db5f", kill_on_drop: false }` [INFO] [stdout] 0524d593bcd1436cbf91c0f932d9ad9886846b9c4c45f4d3b93663070df4db5f