[INFO] fetching crate vlsir 4.0.0... [INFO] checking vlsir-4.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate vlsir 4.0.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate vlsir 4.0.0 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 vlsir 4.0.0 [INFO] finished tweaking crates.io crate vlsir 4.0.0 [INFO] tweaked toml for crates.io crate vlsir 4.0.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] Locking 51 packages [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.6) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding multimap v0.8.3 (latest: v0.10.0) [INFO] [stderr] Adding prettyplease v0.1.25 (latest: v0.2.17) [INFO] [stderr] Adding prost v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding prost-build v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding prost-derive v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding prost-types v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.1) [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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e9d2ad3b46bb81e1a8c71167d07db4793965663682f35796d0f22370311c138 [INFO] running `Command { std: "docker" "start" "-a" "1e9d2ad3b46bb81e1a8c71167d07db4793965663682f35796d0f22370311c138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e9d2ad3b46bb81e1a8c71167d07db4793965663682f35796d0f22370311c138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e9d2ad3b46bb81e1a8c71167d07db4793965663682f35796d0f22370311c138", kill_on_drop: false }` [INFO] [stdout] 1e9d2ad3b46bb81e1a8c71167d07db4793965663682f35796d0f22370311c138 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf98f1dd5a638ce4b934e388c849bde0f547c8fde7836deb190fef3ac3382064 [INFO] running `Command { std: "docker" "start" "-a" "cf98f1dd5a638ce4b934e388c849bde0f547c8fde7836deb190fef3ac3382064", kill_on_drop: false }` [INFO] [stderr] Compiling bytes v1.6.0 [INFO] [stderr] Compiling prettyplease v0.1.25 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Compiling prost-derive v0.11.9 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling tempfile v3.10.1 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling prost v0.11.9 [INFO] [stderr] Checking prost-types v0.11.9 [INFO] [stderr] Compiling prost-build v0.11.9 [INFO] [stderr] Compiling vlsir v4.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `prost_build` is imported redundantly [INFO] [stdout] --> build.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use prost_build; [INFO] [stdout] | ^^^^^^^^^^^ the item `prost_build` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.92s [INFO] running `Command { std: "docker" "inspect" "cf98f1dd5a638ce4b934e388c849bde0f547c8fde7836deb190fef3ac3382064", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf98f1dd5a638ce4b934e388c849bde0f547c8fde7836deb190fef3ac3382064", kill_on_drop: false }` [INFO] [stdout] cf98f1dd5a638ce4b934e388c849bde0f547c8fde7836deb190fef3ac3382064 [INFO] checking vlsir-4.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate vlsir 4.0.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate vlsir 4.0.0 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 vlsir 4.0.0 [INFO] finished tweaking crates.io crate vlsir 4.0.0 [INFO] tweaked toml for crates.io crate vlsir 4.0.0 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" "+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 51 packages [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.6) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding multimap v0.8.3 (latest: v0.10.0) [INFO] [stderr] Adding prettyplease v0.1.25 (latest: v0.2.17) [INFO] [stderr] Adding prost v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding prost-build v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding prost-derive v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding prost-types v0.11.9 (latest: v0.12.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.1) [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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5744b3c5a18322a326b8f7d46069bf21fe3675ec8859ba01c5a394478a0d311b [INFO] running `Command { std: "docker" "start" "-a" "5744b3c5a18322a326b8f7d46069bf21fe3675ec8859ba01c5a394478a0d311b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5744b3c5a18322a326b8f7d46069bf21fe3675ec8859ba01c5a394478a0d311b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5744b3c5a18322a326b8f7d46069bf21fe3675ec8859ba01c5a394478a0d311b", kill_on_drop: false }` [INFO] [stdout] 5744b3c5a18322a326b8f7d46069bf21fe3675ec8859ba01c5a394478a0d311b [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" "-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] 3635fff8f01cf013f602bc98514a26c14170dfde32262452a0e2a4ee7308c331 [INFO] running `Command { std: "docker" "start" "-a" "3635fff8f01cf013f602bc98514a26c14170dfde32262452a0e2a4ee7308c331", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling prettyplease v0.1.25 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling bytes v1.6.0 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Compiling prost-derive v0.11.9 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling tempfile v3.10.1 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling prost v0.11.9 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling prost-types v0.11.9 [INFO] [stderr] Compiling prost-build v0.11.9 [INFO] [stderr] Compiling vlsir v4.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `prost_build` is imported redundantly [INFO] [stdout] --> build.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use prost_build; [INFO] [stdout] | ^^^^^^^^^^^ the item `prost_build` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.02s [INFO] running `Command { std: "docker" "inspect" "3635fff8f01cf013f602bc98514a26c14170dfde32262452a0e2a4ee7308c331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3635fff8f01cf013f602bc98514a26c14170dfde32262452a0e2a4ee7308c331", kill_on_drop: false }` [INFO] [stdout] 3635fff8f01cf013f602bc98514a26c14170dfde32262452a0e2a4ee7308c331