[INFO] fetching crate serum-borsh-derive 0.7.2+serum.1...
[INFO] checking serum-borsh-derive-0.7.2+serum.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate serum-borsh-derive 0.7.2+serum.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate serum-borsh-derive 0.7.2+serum.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 serum-borsh-derive 0.7.2+serum.1
[INFO] finished tweaking crates.io crate serum-borsh-derive 0.7.2+serum.1
[INFO] tweaked toml for crates.io crate serum-borsh-derive 0.7.2+serum.1 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 7 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.57 (available: v1.0.109)
[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] warning: version requirement `0.7.2+serum.1` for dependency `serum-borsh-derive-internal` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: version requirement `0.7.2+serum.1` for dependency `serum-borsh-schema-derive-internal` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[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] 4534e7c28622f7d523858d80399657c023e99ef79b8e3f5ccd92e3f20d32ea6e
[INFO] running `Command { std: "docker" "start" "-a" "4534e7c28622f7d523858d80399657c023e99ef79b8e3f5ccd92e3f20d32ea6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4534e7c28622f7d523858d80399657c023e99ef79b8e3f5ccd92e3f20d32ea6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4534e7c28622f7d523858d80399657c023e99ef79b8e3f5ccd92e3f20d32ea6e", kill_on_drop: false }`
[INFO] [stdout] 4534e7c28622f7d523858d80399657c023e99ef79b8e3f5ccd92e3f20d32ea6e
[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] 51469653e870f573f6b991e53e01ba07f2c393b5a1a98961941305d0603ca253
[INFO] running `Command { std: "docker" "start" "-a" "51469653e870f573f6b991e53e01ba07f2c393b5a1a98961941305d0603ca253", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.7.2+serum.1` for dependency `serum-borsh-derive-internal` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: version requirement `0.7.2+serum.1` for dependency `serum-borsh-schema-derive-internal` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking serum-borsh-derive-internal v0.7.2+serum.1
[INFO] [stderr]     Checking serum-borsh-schema-derive-internal v0.7.2+serum.1
[INFO] [stderr]     Checking serum-borsh-derive v0.7.2+serum.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "51469653e870f573f6b991e53e01ba07f2c393b5a1a98961941305d0603ca253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51469653e870f573f6b991e53e01ba07f2c393b5a1a98961941305d0603ca253", kill_on_drop: false }`
[INFO] [stdout] 51469653e870f573f6b991e53e01ba07f2c393b5a1a98961941305d0603ca253