[INFO] fetching crate modulo-n-tools 0.2.0...
[INFO] checking modulo-n-tools-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate modulo-n-tools 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate modulo-n-tools 0.2.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate modulo-n-tools 0.2.0
[INFO] finished tweaking crates.io crate modulo-n-tools 0.2.0
[INFO] tweaked toml for crates.io crate modulo-n-tools 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding test-case v1.2.3 (available: v3.3.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ec9bc2dced4abbf3196f5b193906a40483a97e6241523802239526d9faf6372
[INFO] running `Command { std: "docker" "start" "-a" "6ec9bc2dced4abbf3196f5b193906a40483a97e6241523802239526d9faf6372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ec9bc2dced4abbf3196f5b193906a40483a97e6241523802239526d9faf6372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec9bc2dced4abbf3196f5b193906a40483a97e6241523802239526d9faf6372", kill_on_drop: false }`
[INFO] [stdout] 6ec9bc2dced4abbf3196f5b193906a40483a97e6241523802239526d9faf6372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb814a1a1b318f040d3bfb416628d2b8918445d4f7b10ea49c80b609c91da3b
[INFO] running `Command { std: "docker" "start" "-a" "1fb814a1a1b318f040d3bfb416628d2b8918445d4f7b10ea49c80b609c91da3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]     Checking modulo-n-tools v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 58s
[INFO] running `Command { std: "docker" "inspect" "1fb814a1a1b318f040d3bfb416628d2b8918445d4f7b10ea49c80b609c91da3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb814a1a1b318f040d3bfb416628d2b8918445d4f7b10ea49c80b609c91da3b", kill_on_drop: false }`
[INFO] [stdout] 1fb814a1a1b318f040d3bfb416628d2b8918445d4f7b10ea49c80b609c91da3b