[INFO] fetching crate op-composer 0.1.0... [INFO] checking op-composer-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate op-composer 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate op-composer 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate op-composer 0.1.0 [INFO] finished tweaking crates.io crate op-composer 0.1.0 [INFO] tweaked toml for crates.io crate op-composer 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 152 packages [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bollard v0.15.0 (latest: v0.16.1) [INFO] [stderr] Adding h2 v0.3.26 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (latest: v1.0.0) [INFO] [stderr] Adding hyper v0.14.28 (latest: v1.2.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 hyperlocal v0.8.0 [INFO] [stderr] Downloaded bollard-stubs v1.43.0-rc.2 [INFO] [stderr] Downloaded bollard v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c7df32f50d8542b0dd9cc19c2f24e00e838b8693abadd6e5bbd2f9826224b10 [INFO] running `Command { std: "docker" "start" "-a" "2c7df32f50d8542b0dd9cc19c2f24e00e838b8693abadd6e5bbd2f9826224b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c7df32f50d8542b0dd9cc19c2f24e00e838b8693abadd6e5bbd2f9826224b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c7df32f50d8542b0dd9cc19c2f24e00e838b8693abadd6e5bbd2f9826224b10", kill_on_drop: false }` [INFO] [stdout] 2c7df32f50d8542b0dd9cc19c2f24e00e838b8693abadd6e5bbd2f9826224b10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 316f58a5972fb39445f05678d6b08d909bb9d95c1edf149ead50e7c9266a0b52 [INFO] running `Command { std: "docker" "start" "-a" "316f58a5972fb39445f05678d6b08d909bb9d95c1edf149ead50e7c9266a0b52", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking xattr v1.3.1 [INFO] [stderr] Checking tar v0.4.40 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling serde_repr v0.1.18 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking serde_with v3.7.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking bollard-stubs v1.43.0-rc.2 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hyperlocal v0.8.0 [INFO] [stderr] Checking bollard v0.15.0 [INFO] [stderr] Checking op-composer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.02s [INFO] running `Command { std: "docker" "inspect" "316f58a5972fb39445f05678d6b08d909bb9d95c1edf149ead50e7c9266a0b52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "316f58a5972fb39445f05678d6b08d909bb9d95c1edf149ead50e7c9266a0b52", kill_on_drop: false }` [INFO] [stdout] 316f58a5972fb39445f05678d6b08d909bb9d95c1edf149ead50e7c9266a0b52 [INFO] checking op-composer-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate op-composer 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate op-composer 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate op-composer 0.1.0 [INFO] finished tweaking crates.io crate op-composer 0.1.0 [INFO] tweaked toml for crates.io crate op-composer 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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 152 packages [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bollard v0.15.0 (latest: v0.16.1) [INFO] [stderr] Adding h2 v0.3.26 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (latest: v1.0.0) [INFO] [stderr] Adding hyper v0.14.28 (latest: v1.2.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 694e934707bd683b7edcdc6282de0a267405df76abda9721368be6c66ea5684f [INFO] running `Command { std: "docker" "start" "-a" "694e934707bd683b7edcdc6282de0a267405df76abda9721368be6c66ea5684f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "694e934707bd683b7edcdc6282de0a267405df76abda9721368be6c66ea5684f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "694e934707bd683b7edcdc6282de0a267405df76abda9721368be6c66ea5684f", kill_on_drop: false }` [INFO] [stdout] 694e934707bd683b7edcdc6282de0a267405df76abda9721368be6c66ea5684f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f03560b7959796572033d902011f964984a96afed4ca034cc143062168f72159 [INFO] running `Command { std: "docker" "start" "-a" "f03560b7959796572033d902011f964984a96afed4ca034cc143062168f72159", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking xattr v1.3.1 [INFO] [stderr] Checking tar v0.4.40 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling serde_repr v0.1.18 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking serde_with v3.7.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking bollard-stubs v1.43.0-rc.2 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hyperlocal v0.8.0 [INFO] [stderr] Checking bollard v0.15.0 [INFO] [stderr] Checking op-composer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.04s [INFO] running `Command { std: "docker" "inspect" "f03560b7959796572033d902011f964984a96afed4ca034cc143062168f72159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f03560b7959796572033d902011f964984a96afed4ca034cc143062168f72159", kill_on_drop: false }` [INFO] [stdout] f03560b7959796572033d902011f964984a96afed4ca034cc143062168f72159