[INFO] fetching crate ergo_sys 0.0.1... [INFO] checking ergo_sys-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate ergo_sys 0.0.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate ergo_sys 0.0.1 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 ergo_sys 0.0.1 [INFO] finished tweaking crates.io crate ergo_sys 0.0.1 [INFO] tweaked toml for crates.io crate ergo_sys 0.0.1 written to /workspace/builds/worker-3-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 24 packages [INFO] [stderr] Adding cfg_aliases v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 18b672e4414c16b172047c0cfe51e3b2f98603000dd0b40e086c987a9b113104 [INFO] running `Command { std: "docker" "start" "-a" "18b672e4414c16b172047c0cfe51e3b2f98603000dd0b40e086c987a9b113104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18b672e4414c16b172047c0cfe51e3b2f98603000dd0b40e086c987a9b113104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18b672e4414c16b172047c0cfe51e3b2f98603000dd0b40e086c987a9b113104", kill_on_drop: false }` [INFO] [stdout] 18b672e4414c16b172047c0cfe51e3b2f98603000dd0b40e086c987a9b113104 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9a01e21911e16d85c27255a6a046ccab4355827120f0e0b2a4b967901e2d8e13 [INFO] running `Command { std: "docker" "start" "-a" "9a01e21911e16d85c27255a6a046ccab4355827120f0e0b2a4b967901e2d8e13", kill_on_drop: false }` [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking ctrlc v3.4.4 [INFO] [stderr] Checking ergo_sys v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "9a01e21911e16d85c27255a6a046ccab4355827120f0e0b2a4b967901e2d8e13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a01e21911e16d85c27255a6a046ccab4355827120f0e0b2a4b967901e2d8e13", kill_on_drop: false }` [INFO] [stdout] 9a01e21911e16d85c27255a6a046ccab4355827120f0e0b2a4b967901e2d8e13 [INFO] checking ergo_sys-0.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate ergo_sys 0.0.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate ergo_sys 0.0.1 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 ergo_sys 0.0.1 [INFO] finished tweaking crates.io crate ergo_sys 0.0.1 [INFO] tweaked toml for crates.io crate ergo_sys 0.0.1 written to /workspace/builds/worker-3-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] Updating crates.io index [INFO] [stderr] Locking 24 packages [INFO] [stderr] Adding cfg_aliases v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 35be475cb91f85afbc1ab0cbc319520b93acfcf432e4e8a528420ebe3f2f9ed2 [INFO] running `Command { std: "docker" "start" "-a" "35be475cb91f85afbc1ab0cbc319520b93acfcf432e4e8a528420ebe3f2f9ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35be475cb91f85afbc1ab0cbc319520b93acfcf432e4e8a528420ebe3f2f9ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35be475cb91f85afbc1ab0cbc319520b93acfcf432e4e8a528420ebe3f2f9ed2", kill_on_drop: false }` [INFO] [stdout] 35be475cb91f85afbc1ab0cbc319520b93acfcf432e4e8a528420ebe3f2f9ed2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4ec306c4f044ef9ee861f2f0fe71e7f740ed53562f522f85c393d47a7aa75d88 [INFO] running `Command { std: "docker" "start" "-a" "4ec306c4f044ef9ee861f2f0fe71e7f740ed53562f522f85c393d47a7aa75d88", kill_on_drop: false }` [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking ctrlc v3.4.4 [INFO] [stderr] Checking ergo_sys v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `Command { std: "docker" "inspect" "4ec306c4f044ef9ee861f2f0fe71e7f740ed53562f522f85c393d47a7aa75d88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ec306c4f044ef9ee861f2f0fe71e7f740ed53562f522f85c393d47a7aa75d88", kill_on_drop: false }` [INFO] [stdout] 4ec306c4f044ef9ee861f2f0fe71e7f740ed53562f522f85c393d47a7aa75d88