[INFO] fetching crate mimalloc2-rust 0.3.2...
[INFO] building mimalloc2-rust-0.3.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate mimalloc2-rust 0.3.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mimalloc2-rust 0.3.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mimalloc2-rust 0.3.2
[INFO] finished tweaking crates.io crate mimalloc2-rust 0.3.2
[INFO] tweaked toml for crates.io crate mimalloc2-rust 0.3.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc2-rust-sys v2.1.7-source
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d42ec06b001afdfb8a865e25e5b1ce207b6b55f651d111beae9175238fd02fe
[INFO] running `Command { std: "docker" "start" "-a" "5d42ec06b001afdfb8a865e25e5b1ce207b6b55f651d111beae9175238fd02fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d42ec06b001afdfb8a865e25e5b1ce207b6b55f651d111beae9175238fd02fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d42ec06b001afdfb8a865e25e5b1ce207b6b55f651d111beae9175238fd02fe", kill_on_drop: false }`
[INFO] [stdout] 5d42ec06b001afdfb8a865e25e5b1ce207b6b55f651d111beae9175238fd02fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c8e7039134f9ac331115166a6709cf9d20645ebd61145db9a0d090310f8767
[INFO] running `Command { std: "docker" "start" "-a" "a9c8e7039134f9ac331115166a6709cf9d20645ebd61145db9a0d090310f8767", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc2-rust-sys v2.1.7-source
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling mimalloc2-rust v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a9c8e7039134f9ac331115166a6709cf9d20645ebd61145db9a0d090310f8767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c8e7039134f9ac331115166a6709cf9d20645ebd61145db9a0d090310f8767", kill_on_drop: false }`
[INFO] [stdout] a9c8e7039134f9ac331115166a6709cf9d20645ebd61145db9a0d090310f8767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 848762a864bb53c6f14054ebdcc2dfc826777dd1aa3c1a7c87b0c4747dc270ba
[INFO] running `Command { std: "docker" "start" "-a" "848762a864bb53c6f14054ebdcc2dfc826777dd1aa3c1a7c87b0c4747dc270ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc2-rust v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "848762a864bb53c6f14054ebdcc2dfc826777dd1aa3c1a7c87b0c4747dc270ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848762a864bb53c6f14054ebdcc2dfc826777dd1aa3c1a7c87b0c4747dc270ba", kill_on_drop: false }`
[INFO] [stdout] 848762a864bb53c6f14054ebdcc2dfc826777dd1aa3c1a7c87b0c4747dc270ba