[INFO] fetching crate impostor_core 0.1.0...
[INFO] checking impostor_core-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate impostor_core 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate impostor_core 0.1.0 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 impostor_core 0.1.0
[INFO] finished tweaking crates.io crate impostor_core 0.1.0
[INFO] tweaked toml for crates.io crate impostor_core 0.1.0 written to /workspace/builds/worker-0-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 12 packages to latest compatible versions
[INFO] [stderr]       Adding float-cmp v0.9.0 (available: v0.10.0)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 75ff322d2346ab2abe20f9ae6a7539ae52c86f61a7e62d95c6e9745acc3d9251
[INFO] running `Command { std: "docker" "start" "-a" "75ff322d2346ab2abe20f9ae6a7539ae52c86f61a7e62d95c6e9745acc3d9251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75ff322d2346ab2abe20f9ae6a7539ae52c86f61a7e62d95c6e9745acc3d9251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ff322d2346ab2abe20f9ae6a7539ae52c86f61a7e62d95c6e9745acc3d9251", kill_on_drop: false }`
[INFO] [stdout] 75ff322d2346ab2abe20f9ae6a7539ae52c86f61a7e62d95c6e9745acc3d9251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6695876425d29fdb347357ca32c32ab75da3556dbf965b2afb06cff292b4ab15
[INFO] running `Command { std: "docker" "start" "-a" "6695876425d29fdb347357ca32c32ab75da3556dbf965b2afb06cff292b4ab15", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libxml v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking impostor_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "6695876425d29fdb347357ca32c32ab75da3556dbf965b2afb06cff292b4ab15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6695876425d29fdb347357ca32c32ab75da3556dbf965b2afb06cff292b4ab15", kill_on_drop: false }`
[INFO] [stdout] 6695876425d29fdb347357ca32c32ab75da3556dbf965b2afb06cff292b4ab15