[INFO] fetching crate renet 0.0.16...
[INFO] checking renet-0.0.16 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate renet 0.0.16 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate renet 0.0.16 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 renet 0.0.16
[INFO] finished tweaking crates.io crate renet 0.0.16
[INFO] tweaked toml for crates.io crate renet 0.0.16 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate renet 0.0.16 already has a lockfile, it will not be regenerated
[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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2460e60eaf4424faa403b3c0ba3cd849d5e69c07a8bb3db4a32c5fbbdca14270
[INFO] running `Command { std: "docker" "start" "-a" "2460e60eaf4424faa403b3c0ba3cd849d5e69c07a8bb3db4a32c5fbbdca14270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2460e60eaf4424faa403b3c0ba3cd849d5e69c07a8bb3db4a32c5fbbdca14270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2460e60eaf4424faa403b3c0ba3cd849d5e69c07a8bb3db4a32c5fbbdca14270", kill_on_drop: false }`
[INFO] [stdout] 2460e60eaf4424faa403b3c0ba3cd849d5e69c07a8bb3db4a32c5fbbdca14270
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0072e5d26034b0476db441af586a4a227fda0d3085e1abbe8199df60164a766d
[INFO] running `Command { std: "docker" "start" "-a" "0072e5d26034b0476db441af586a4a227fda0d3085e1abbe8199df60164a766d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking octets v0.3.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking anstream v0.6.12
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking renetcode v0.0.12
[INFO] [stderr]     Checking renet v0.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `Command { std: "docker" "inspect" "0072e5d26034b0476db441af586a4a227fda0d3085e1abbe8199df60164a766d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0072e5d26034b0476db441af586a4a227fda0d3085e1abbe8199df60164a766d", kill_on_drop: false }`
[INFO] [stdout] 0072e5d26034b0476db441af586a4a227fda0d3085e1abbe8199df60164a766d