[INFO] fetching crate stak-minifier 0.1.28...
[INFO] checking stak-minifier-0.1.28 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate stak-minifier 0.1.28 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate stak-minifier 0.1.28 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stak-minifier 0.1.28
[INFO] finished tweaking crates.io crate stak-minifier 0.1.28
[INFO] tweaked toml for crates.io crate stak-minifier 0.1.28 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-vm v0.5.9
[INFO] [stderr]   Downloaded stak-device v0.2.51
[INFO] [stderr]   Downloaded stak-code v0.2.50
[INFO] [stderr]   Downloaded stak-file v0.4.9
[INFO] [stderr]   Downloaded cfg-exif v0.3.0
[INFO] [stderr]   Downloaded stak-primitive v0.5.9
[INFO] [stderr]   Downloaded stak-process-context v0.2.9
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded stak-configuration v0.1.47
[INFO] [stderr]   Downloaded stak-macro-util v0.1.28
[INFO] [stderr]   Downloaded stak-macro v0.1.52
[INFO] [stderr]   Downloaded pretty_assertions v1.4.0
[INFO] [stderr]   Downloaded yansi v0.5.1
[INFO] [stderr]   Downloaded stak-compiler v0.1.55
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 719af2fefecbf450c4df6a32e595e7a9c1f2257e7263180d281a9f1e1ee2050a
[INFO] running `Command { std: "docker" "start" "-a" "719af2fefecbf450c4df6a32e595e7a9c1f2257e7263180d281a9f1e1ee2050a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "719af2fefecbf450c4df6a32e595e7a9c1f2257e7263180d281a9f1e1ee2050a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719af2fefecbf450c4df6a32e595e7a9c1f2257e7263180d281a9f1e1ee2050a", kill_on_drop: false }`
[INFO] [stdout] 719af2fefecbf450c4df6a32e595e7a9c1f2257e7263180d281a9f1e1ee2050a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed26a6aff37a62a0a74a4e59ba449efa49d2c8cf8b29a8ee517ba72d90612117
[INFO] running `Command { std: "docker" "start" "-a" "ed26a6aff37a62a0a74a4e59ba449efa49d2c8cf8b29a8ee517ba72d90612117", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cfg-exif v0.3.0
[INFO] [stderr]    Compiling stak-code v0.2.50
[INFO] [stderr]    Compiling stak-compiler v0.1.55
[INFO] [stderr]    Compiling stak-device v0.2.51
[INFO] [stderr]    Compiling stak-process-context v0.2.9
[INFO] [stderr]    Compiling stak-file v0.4.9
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling stak-configuration v0.1.47
[INFO] [stderr]    Compiling stak-macro-util v0.1.28
[INFO] [stderr]    Compiling stak-vm v0.5.9
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking stak-primitive v0.5.9
[INFO] [stderr]    Compiling stak-macro v0.1.52
[INFO] [stderr]     Checking stak-minifier v0.1.28 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 03s
[INFO] running `Command { std: "docker" "inspect" "ed26a6aff37a62a0a74a4e59ba449efa49d2c8cf8b29a8ee517ba72d90612117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed26a6aff37a62a0a74a4e59ba449efa49d2c8cf8b29a8ee517ba72d90612117", kill_on_drop: false }`
[INFO] [stdout] ed26a6aff37a62a0a74a4e59ba449efa49d2c8cf8b29a8ee517ba72d90612117
[INFO] checking stak-minifier-0.1.28 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate stak-minifier 0.1.28 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate stak-minifier 0.1.28 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stak-minifier 0.1.28
[INFO] finished tweaking crates.io crate stak-minifier 0.1.28
[INFO] tweaked toml for crates.io crate stak-minifier 0.1.28 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85a2bb236001004736b37cdb765a6d1ab4d8a07450f35aea40f9de9fa26f3d27
[INFO] running `Command { std: "docker" "start" "-a" "85a2bb236001004736b37cdb765a6d1ab4d8a07450f35aea40f9de9fa26f3d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a2bb236001004736b37cdb765a6d1ab4d8a07450f35aea40f9de9fa26f3d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a2bb236001004736b37cdb765a6d1ab4d8a07450f35aea40f9de9fa26f3d27", kill_on_drop: false }`
[INFO] [stdout] 85a2bb236001004736b37cdb765a6d1ab4d8a07450f35aea40f9de9fa26f3d27
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71f9ed10f3d5bb42ff3a9e68c1acfa61ad06744fc8ebea74e69921c070eecf7a
[INFO] running `Command { std: "docker" "start" "-a" "71f9ed10f3d5bb42ff3a9e68c1acfa61ad06744fc8ebea74e69921c070eecf7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-exif v0.3.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling stak-code v0.2.50
[INFO] [stderr]    Compiling stak-compiler v0.1.55
[INFO] [stderr]    Compiling stak-process-context v0.2.9
[INFO] [stderr]    Compiling stak-device v0.2.51
[INFO] [stderr]    Compiling stak-file v0.4.9
[INFO] [stderr]    Compiling stak-configuration v0.1.47
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling stak-macro-util v0.1.28
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling stak-vm v0.5.9
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking stak-primitive v0.5.9
[INFO] [stderr]    Compiling stak-macro v0.1.52
[INFO] [stderr]     Checking stak-minifier v0.1.28 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "71f9ed10f3d5bb42ff3a9e68c1acfa61ad06744fc8ebea74e69921c070eecf7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f9ed10f3d5bb42ff3a9e68c1acfa61ad06744fc8ebea74e69921c070eecf7a", kill_on_drop: false }`
[INFO] [stdout] 71f9ed10f3d5bb42ff3a9e68c1acfa61ad06744fc8ebea74e69921c070eecf7a