[INFO] fetching crate stak-r7rs 0.9.0...
[INFO] building stak-r7rs-0.9.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate stak-r7rs 0.9.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate stak-r7rs 0.9.0 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 stak-r7rs 0.9.0
[INFO] finished tweaking crates.io crate stak-r7rs 0.9.0
[INFO] tweaked toml for crates.io crate stak-r7rs 0.9.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 11 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]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-vm v0.7.16
[INFO] [stderr]   Downloaded stak-process-context v0.2.45
[INFO] [stderr]   Downloaded stak-device v0.2.87
[INFO] [stderr]   Downloaded stak-file v0.5.1
[INFO] [stderr]   Downloaded stak-time v0.1.28
[INFO] [stderr]   Downloaded cfg-exif v0.3.1
[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] e8912e4a703e24cd05dc48dea0a42998cace14b0483088d4cf546374f3fea8a9
[INFO] running `Command { std: "docker" "start" "-a" "e8912e4a703e24cd05dc48dea0a42998cace14b0483088d4cf546374f3fea8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8912e4a703e24cd05dc48dea0a42998cace14b0483088d4cf546374f3fea8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8912e4a703e24cd05dc48dea0a42998cace14b0483088d4cf546374f3fea8a9", kill_on_drop: false }`
[INFO] [stdout] e8912e4a703e24cd05dc48dea0a42998cace14b0483088d4cf546374f3fea8a9
[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] edf50e1e561616c05d2d6a10d8f04e0c513f6dd415dddf78e7528802f707bcdf
[INFO] running `Command { std: "docker" "start" "-a" "edf50e1e561616c05d2d6a10d8f04e0c513f6dd415dddf78e7528802f707bcdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-exif v0.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling stak-vm v0.7.16
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling stak-process-context v0.2.45
[INFO] [stderr]    Compiling stak-time v0.1.28
[INFO] [stderr]    Compiling stak-device v0.2.87
[INFO] [stderr]    Compiling stak-file v0.5.1
[INFO] [stderr]    Compiling stak-r7rs v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "edf50e1e561616c05d2d6a10d8f04e0c513f6dd415dddf78e7528802f707bcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf50e1e561616c05d2d6a10d8f04e0c513f6dd415dddf78e7528802f707bcdf", kill_on_drop: false }`
[INFO] [stdout] edf50e1e561616c05d2d6a10d8f04e0c513f6dd415dddf78e7528802f707bcdf
[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] 3d61e925bac5956a0531bda09e9b17e4715f6342cb7e4a6d3b40ac5e6493136f
[INFO] running `Command { std: "docker" "start" "-a" "3d61e925bac5956a0531bda09e9b17e4715f6342cb7e4a6d3b40ac5e6493136f", kill_on_drop: false }`
[INFO] [stderr]    Compiling stak-r7rs v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3d61e925bac5956a0531bda09e9b17e4715f6342cb7e4a6d3b40ac5e6493136f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d61e925bac5956a0531bda09e9b17e4715f6342cb7e4a6d3b40ac5e6493136f", kill_on_drop: false }`
[INFO] [stdout] 3d61e925bac5956a0531bda09e9b17e4715f6342cb7e4a6d3b40ac5e6493136f