[INFO] cloning repository https://github.com/aol1306/numpy-preprocess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aol1306/numpy-preprocess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faol1306%2Fnumpy-preprocess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faol1306%2Fnumpy-preprocess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ccddbb7fd4bfe7780f850db2670c998188b62361 [INFO] checking aol1306/numpy-preprocess against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faol1306%2Fnumpy-preprocess" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aol1306/numpy-preprocess 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 git repo https://github.com/aol1306/numpy-preprocess [INFO] finished tweaking git repo https://github.com/aol1306/numpy-preprocess [INFO] tweaked toml for git repo https://github.com/aol1306/numpy-preprocess written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aol1306/numpy-preprocess already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded py_literal v0.4.0 [INFO] [stderr] Downloaded ndarray-npy v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 80802dedd995367eab8159aa9ca5ed7fe4890bb9da9c9d5d9bf1f457276d5ac0 [INFO] running `Command { std: "docker" "start" "-a" "80802dedd995367eab8159aa9ca5ed7fe4890bb9da9c9d5d9bf1f457276d5ac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80802dedd995367eab8159aa9ca5ed7fe4890bb9da9c9d5d9bf1f457276d5ac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80802dedd995367eab8159aa9ca5ed7fe4890bb9da9c9d5d9bf1f457276d5ac0", kill_on_drop: false }` [INFO] [stdout] 80802dedd995367eab8159aa9ca5ed7fe4890bb9da9c9d5d9bf1f457276d5ac0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b197ea40088831f27ca41065e95cf5a2600024a459e61878b7ec330d65d60159 [INFO] running `Command { std: "docker" "start" "-a" "b197ea40088831f27ca41065e95cf5a2600024a459e61878b7ec330d65d60159", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking py_literal v0.4.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking ndarray-npy v0.8.1 [INFO] [stderr] Checking preprocess v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.47s [INFO] running `Command { std: "docker" "inspect" "b197ea40088831f27ca41065e95cf5a2600024a459e61878b7ec330d65d60159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b197ea40088831f27ca41065e95cf5a2600024a459e61878b7ec330d65d60159", kill_on_drop: false }` [INFO] [stdout] b197ea40088831f27ca41065e95cf5a2600024a459e61878b7ec330d65d60159 [INFO] checking aol1306/numpy-preprocess against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faol1306%2Fnumpy-preprocess" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aol1306/numpy-preprocess 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 git repo https://github.com/aol1306/numpy-preprocess [INFO] finished tweaking git repo https://github.com/aol1306/numpy-preprocess [INFO] tweaked toml for git repo https://github.com/aol1306/numpy-preprocess written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aol1306/numpy-preprocess already has a lockfile, it will not be regenerated [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 26727dddabd85526b6beadb46d7a0820e9bdd7ade69fb7dc5d48a02f8a8d7c01 [INFO] running `Command { std: "docker" "start" "-a" "26727dddabd85526b6beadb46d7a0820e9bdd7ade69fb7dc5d48a02f8a8d7c01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26727dddabd85526b6beadb46d7a0820e9bdd7ade69fb7dc5d48a02f8a8d7c01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26727dddabd85526b6beadb46d7a0820e9bdd7ade69fb7dc5d48a02f8a8d7c01", kill_on_drop: false }` [INFO] [stdout] 26727dddabd85526b6beadb46d7a0820e9bdd7ade69fb7dc5d48a02f8a8d7c01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1395efa0c39acda773cb96dc6365726fe0e25f90e98cba6a0a7aab6ecbb4baf2 [INFO] running `Command { std: "docker" "start" "-a" "1395efa0c39acda773cb96dc6365726fe0e25f90e98cba6a0a7aab6ecbb4baf2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking py_literal v0.4.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking ndarray-npy v0.8.1 [INFO] [stderr] Checking preprocess v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.85s [INFO] running `Command { std: "docker" "inspect" "1395efa0c39acda773cb96dc6365726fe0e25f90e98cba6a0a7aab6ecbb4baf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1395efa0c39acda773cb96dc6365726fe0e25f90e98cba6a0a7aab6ecbb4baf2", kill_on_drop: false }` [INFO] [stdout] 1395efa0c39acda773cb96dc6365726fe0e25f90e98cba6a0a7aab6ecbb4baf2