[INFO] fetching crate naming_clt_lib 0.2.0...
[INFO] checking naming_clt_lib-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate naming_clt_lib 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate naming_clt_lib 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 naming_clt_lib 0.2.0
[INFO] finished tweaking crates.io crate naming_clt_lib 0.2.0
[INFO] tweaked toml for crates.io crate naming_clt_lib 0.2.0 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.7.20 (available: v1.1.3)
[INFO] [stderr]       Adding bit-set v0.5.3 (available: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding fancy-regex v0.7.1 (available: v0.13.0)
[INFO] [stderr]       Adding lazy_static v1.4.0 (available: v1.5.0)
[INFO] [stderr]       Adding regex v1.5.6 (available: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 365767bed3e460e3d4c9a3ea5cf27c3f86ba6d817d8a371f0ba084c7f20277bf
[INFO] running `Command { std: "docker" "start" "-a" "365767bed3e460e3d4c9a3ea5cf27c3f86ba6d817d8a371f0ba084c7f20277bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "365767bed3e460e3d4c9a3ea5cf27c3f86ba6d817d8a371f0ba084c7f20277bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365767bed3e460e3d4c9a3ea5cf27c3f86ba6d817d8a371f0ba084c7f20277bf", kill_on_drop: false }`
[INFO] [stdout] 365767bed3e460e3d4c9a3ea5cf27c3f86ba6d817d8a371f0ba084c7f20277bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fac5374bc7413c062c9c28b6a2c9bd3ba71538bbc15874bdf9cf8c22ed1e7aa8
[INFO] running `Command { std: "docker" "start" "-a" "fac5374bc7413c062c9c28b6a2c9bd3ba71538bbc15874bdf9cf8c22ed1e7aa8", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking naming_lib v0.1.4
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking naming_clt_lib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "fac5374bc7413c062c9c28b6a2c9bd3ba71538bbc15874bdf9cf8c22ed1e7aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac5374bc7413c062c9c28b6a2c9bd3ba71538bbc15874bdf9cf8c22ed1e7aa8", kill_on_drop: false }`
[INFO] [stdout] fac5374bc7413c062c9c28b6a2c9bd3ba71538bbc15874bdf9cf8c22ed1e7aa8