[INFO] fetching crate messagepack-rs 0.8.1...
[INFO] checking messagepack-rs-0.8.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate messagepack-rs 0.8.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate messagepack-rs 0.8.1 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 messagepack-rs 0.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate messagepack-rs 0.8.1
[INFO] tweaked toml for crates.io crate messagepack-rs 0.8.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate messagepack-rs 0.8.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 213c8c46565329ede8feb8298675a0fe8f1d04075a35c07edf60ba06512caac4
[INFO] running `Command { std: "docker" "start" "-a" "213c8c46565329ede8feb8298675a0fe8f1d04075a35c07edf60ba06512caac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "213c8c46565329ede8feb8298675a0fe8f1d04075a35c07edf60ba06512caac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213c8c46565329ede8feb8298675a0fe8f1d04075a35c07edf60ba06512caac4", kill_on_drop: false }`
[INFO] [stdout] 213c8c46565329ede8feb8298675a0fe8f1d04075a35c07edf60ba06512caac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e245afe6aaec338764a9f6ee03125065e3ef3d9424c2416e2cdbdd0b6767d3eb
[INFO] running `Command { std: "docker" "start" "-a" "e245afe6aaec338764a9f6ee03125065e3ef3d9424c2416e2cdbdd0b6767d3eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling messagepack-rs-macros v0.1.2
[INFO] [stderr]     Checking messagepack-rs v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "e245afe6aaec338764a9f6ee03125065e3ef3d9424c2416e2cdbdd0b6767d3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e245afe6aaec338764a9f6ee03125065e3ef3d9424c2416e2cdbdd0b6767d3eb", kill_on_drop: false }`
[INFO] [stdout] e245afe6aaec338764a9f6ee03125065e3ef3d9424c2416e2cdbdd0b6767d3eb