[INFO] fetching crate hfss_fld 0.1.4... [INFO] checking hfss_fld-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate hfss_fld 0.1.4 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate hfss_fld 0.1.4 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 hfss_fld 0.1.4 [INFO] finished tweaking crates.io crate hfss_fld 0.1.4 [INFO] tweaked toml for crates.io crate hfss_fld 0.1.4 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] 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 38 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding colour v0.5.0 (latest: v0.7.0) [INFO] [stderr] Adding crossterm v0.16.0 (latest: v0.27.0) [INFO] [stderr] Adding crossterm_winapi v0.6.2 (latest: v0.9.1) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.10.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.7.3 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding signal-hook v0.1.17 (latest: v0.3.17) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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 crossterm v0.16.0 [INFO] [stderr] Downloaded crossterm_winapi v0.6.2 [INFO] [stderr] Downloaded signal-hook v0.1.17 [INFO] [stderr] Downloaded colour v0.5.0 [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] 56b4dad369250fd6b522faeeccb01642ec81eb245784efc940d7e1e4bb35a9b5 [INFO] running `Command { std: "docker" "start" "-a" "56b4dad369250fd6b522faeeccb01642ec81eb245784efc940d7e1e4bb35a9b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56b4dad369250fd6b522faeeccb01642ec81eb245784efc940d7e1e4bb35a9b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56b4dad369250fd6b522faeeccb01642ec81eb245784efc940d7e1e4bb35a9b5", kill_on_drop: false }` [INFO] [stdout] 56b4dad369250fd6b522faeeccb01642ec81eb245784efc940d7e1e4bb35a9b5 [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] f953b459f80501b96f58ef02df93e2393a51d9253c1a45f02e514a995ed8485c [INFO] running `Command { std: "docker" "start" "-a" "f953b459f80501b96f58ef02df93e2393a51d9253c1a45f02e514a995ed8485c", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking crossterm v0.16.0 [INFO] [stderr] Checking colour v0.5.0 [INFO] [stderr] Checking hfss_fld v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `file_paths` [INFO] [stdout] --> src/lib.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let file_paths = vec![ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_paths` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `grouped_data` [INFO] [stdout] --> src/lib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let grouped_data = h_data.grouped_double_dir_data_points([0, 1], 0); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grouped_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `Command { std: "docker" "inspect" "f953b459f80501b96f58ef02df93e2393a51d9253c1a45f02e514a995ed8485c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f953b459f80501b96f58ef02df93e2393a51d9253c1a45f02e514a995ed8485c", kill_on_drop: false }` [INFO] [stdout] f953b459f80501b96f58ef02df93e2393a51d9253c1a45f02e514a995ed8485c [INFO] checking hfss_fld-0.1.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate hfss_fld 0.1.4 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate hfss_fld 0.1.4 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 hfss_fld 0.1.4 [INFO] finished tweaking crates.io crate hfss_fld 0.1.4 [INFO] tweaked toml for crates.io crate hfss_fld 0.1.4 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] Locking 38 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding colour v0.5.0 (latest: v0.7.0) [INFO] [stderr] Adding crossterm v0.16.0 (latest: v0.27.0) [INFO] [stderr] Adding crossterm_winapi v0.6.2 (latest: v0.9.1) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.10.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.7.3 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding signal-hook v0.1.17 (latest: v0.3.17) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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-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] a7570ff54d4ebda74e2fa7b098b5549774f65fdacdd21a1cfcc02699d5956665 [INFO] running `Command { std: "docker" "start" "-a" "a7570ff54d4ebda74e2fa7b098b5549774f65fdacdd21a1cfcc02699d5956665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7570ff54d4ebda74e2fa7b098b5549774f65fdacdd21a1cfcc02699d5956665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7570ff54d4ebda74e2fa7b098b5549774f65fdacdd21a1cfcc02699d5956665", kill_on_drop: false }` [INFO] [stdout] a7570ff54d4ebda74e2fa7b098b5549774f65fdacdd21a1cfcc02699d5956665 [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] cfbb96efaba44c0e37b9cbdb6c43a8ab904026bfefcf1f8c63f6a071ecd34d89 [INFO] running `Command { std: "docker" "start" "-a" "cfbb96efaba44c0e37b9cbdb6c43a8ab904026bfefcf1f8c63f6a071ecd34d89", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking crossterm v0.16.0 [INFO] [stderr] Checking colour v0.5.0 [INFO] [stderr] Checking hfss_fld v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `file_paths` [INFO] [stdout] --> src/lib.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let file_paths = vec![ [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_paths` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `grouped_data` [INFO] [stdout] --> src/lib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let grouped_data = h_data.grouped_double_dir_data_points([0, 1], 0); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grouped_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s [INFO] running `Command { std: "docker" "inspect" "cfbb96efaba44c0e37b9cbdb6c43a8ab904026bfefcf1f8c63f6a071ecd34d89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfbb96efaba44c0e37b9cbdb6c43a8ab904026bfefcf1f8c63f6a071ecd34d89", kill_on_drop: false }` [INFO] [stdout] cfbb96efaba44c0e37b9cbdb6c43a8ab904026bfefcf1f8c63f6a071ecd34d89