[INFO] fetching crate msgpck_derive 0.2.8...
[INFO] checking msgpck_derive-0.2.8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate msgpck_derive 0.2.8 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate msgpck_derive 0.2.8 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 msgpck_derive 0.2.8
[INFO] finished tweaking crates.io crate msgpck_derive 0.2.8
[INFO] tweaked toml for crates.io crate msgpck_derive 0.2.8 written to /workspace/builds/worker-2-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 8 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.25.3 (available: v0.26.4)
[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] eca856d92509f83ead9834a402a811f91b945599aa3f03c02ff5eda7f8d0e8dd
[INFO] running `Command { std: "docker" "start" "-a" "eca856d92509f83ead9834a402a811f91b945599aa3f03c02ff5eda7f8d0e8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca856d92509f83ead9834a402a811f91b945599aa3f03c02ff5eda7f8d0e8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca856d92509f83ead9834a402a811f91b945599aa3f03c02ff5eda7f8d0e8dd", kill_on_drop: false }`
[INFO] [stdout] eca856d92509f83ead9834a402a811f91b945599aa3f03c02ff5eda7f8d0e8dd
[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] 0dd8fa4c03bb255f6991506fff0232df977b99842884229b06ea5fbd6c13a62a
[INFO] running `Command { std: "docker" "start" "-a" "0dd8fa4c03bb255f6991506fff0232df977b99842884229b06ea5fbd6c13a62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking msgpck_derive v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.51s
[INFO] running `Command { std: "docker" "inspect" "0dd8fa4c03bb255f6991506fff0232df977b99842884229b06ea5fbd6c13a62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd8fa4c03bb255f6991506fff0232df977b99842884229b06ea5fbd6c13a62a", kill_on_drop: false }`
[INFO] [stdout] 0dd8fa4c03bb255f6991506fff0232df977b99842884229b06ea5fbd6c13a62a