[INFO] fetching crate liblinear 1.0.0... [INFO] checking liblinear-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate liblinear 1.0.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate liblinear 1.0.0 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 liblinear 1.0.0 [INFO] finished tweaking crates.io crate liblinear 1.0.0 [INFO] tweaked toml for crates.io crate liblinear 1.0.0 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 approx v0.3.2 (latest: v0.5.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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] Downloading crates ... [INFO] [stderr] Downloaded parsnip v0.3.0 [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] 458d9cd3fa3049051471f29eb341e580627706b6439ea2f1edd53643271e11ec [INFO] running `Command { std: "docker" "start" "-a" "458d9cd3fa3049051471f29eb341e580627706b6439ea2f1edd53643271e11ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "458d9cd3fa3049051471f29eb341e580627706b6439ea2f1edd53643271e11ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "458d9cd3fa3049051471f29eb341e580627706b6439ea2f1edd53643271e11ec", kill_on_drop: false }` [INFO] [stdout] 458d9cd3fa3049051471f29eb341e580627706b6439ea2f1edd53643271e11ec [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] 1bba080729e2be8a43f062774fad10dfbe9417874ab89b7c45ab6fcb22cbec99 [INFO] running `Command { std: "docker" "start" "-a" "1bba080729e2be8a43f062774fad10dfbe9417874ab89b7c45ab6fcb22cbec99", kill_on_drop: false }` [INFO] [stderr] Checking parsnip v0.3.0 [INFO] [stderr] Compiling liblinear v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] warning: liblinear@1.0.0: Compiler version doesn't include clang or GCC: "c++" "--version" [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp: In function 'void print_null(const char*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp:31:36: warning: unused parameter 's' [-Wunused-parameter] [INFO] [stderr] warning: liblinear@1.0.0: 31 | static void print_null(const char *s) {} [INFO] [stderr] warning: liblinear@1.0.0: | ~~~~~~~~~~~~^ [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp: In function 'double calc_max_p(const problem*, const parameter*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp:2311:64: warning: unused parameter 'param' [-Wunused-parameter] [INFO] [stderr] warning: liblinear@1.0.0: 2311 | static double calc_max_p(const problem *prob, const parameter *param) [INFO] [stderr] warning: liblinear@1.0.0: | ~~~~~~~~~~~~~~~~~^~~~~ [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp: In function 'const char* check_parameter(const problem*, const parameter*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp:3151:44: warning: unused parameter 'prob' [-Wunused-parameter] [INFO] [stderr] warning: liblinear@1.0.0: 3151 | const char *check_parameter(const problem *prob, const parameter *param) [INFO] [stderr] warning: liblinear@1.0.0: | ~~~~~~~~~~~~~~~^~~~ [INFO] [stderr] warning: liblinear@1.0.0: liblinear/blas/daxpy.c: In function 'int daxpy_(int*, double*, double*, int*, double*, int*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/blas/daxpy.c:11:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] [INFO] [stderr] warning: liblinear@1.0.0: 11 | register double ssa; [INFO] [stderr] warning: liblinear@1.0.0: | ^~~ [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/ffi.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[doc(hidden)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | / extern "C" { [INFO] [stdout] 55 | | pub static liblinear_version: i32; [INFO] [stdout] 56 | | [INFO] [stdout] 57 | | pub fn train(prob: *const Problem, param: *const Parameter) -> *mut Model; [INFO] [stdout] ... | [INFO] [stdout] 101 | | pub fn set_print_string_function(func: Option); [INFO] [stdout] 102 | | } [INFO] [stdout] | |_- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/ffi.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[doc(hidden)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | / extern "C" { [INFO] [stdout] 55 | | pub static liblinear_version: i32; [INFO] [stdout] 56 | | [INFO] [stdout] 57 | | pub fn train(prob: *const Problem, param: *const Parameter) -> *mut Model; [INFO] [stdout] ... | [INFO] [stdout] 101 | | pub fn set_print_string_function(func: Option); [INFO] [stdout] 102 | | } [INFO] [stdout] | |_- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s [INFO] running `Command { std: "docker" "inspect" "1bba080729e2be8a43f062774fad10dfbe9417874ab89b7c45ab6fcb22cbec99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bba080729e2be8a43f062774fad10dfbe9417874ab89b7c45ab6fcb22cbec99", kill_on_drop: false }` [INFO] [stdout] 1bba080729e2be8a43f062774fad10dfbe9417874ab89b7c45ab6fcb22cbec99 [INFO] checking liblinear-1.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate liblinear 1.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate liblinear 1.0.0 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 liblinear 1.0.0 [INFO] finished tweaking crates.io crate liblinear 1.0.0 [INFO] tweaked toml for crates.io crate liblinear 1.0.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 24 packages [INFO] [stderr] Adding approx v0.3.2 (latest: v0.5.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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-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] 0633048b28c92acae2dcecb3fb2dbd2dd6bbc16099130066fc0758f8e3d20a15 [INFO] running `Command { std: "docker" "start" "-a" "0633048b28c92acae2dcecb3fb2dbd2dd6bbc16099130066fc0758f8e3d20a15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0633048b28c92acae2dcecb3fb2dbd2dd6bbc16099130066fc0758f8e3d20a15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0633048b28c92acae2dcecb3fb2dbd2dd6bbc16099130066fc0758f8e3d20a15", kill_on_drop: false }` [INFO] [stdout] 0633048b28c92acae2dcecb3fb2dbd2dd6bbc16099130066fc0758f8e3d20a15 [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] c00855c678ee297326b66f955706d98b7c31c0c61f036db5d6b4ec0c97570d73 [INFO] running `Command { std: "docker" "start" "-a" "c00855c678ee297326b66f955706d98b7c31c0c61f036db5d6b4ec0c97570d73", kill_on_drop: false }` [INFO] [stderr] Compiling liblinear v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking parsnip v0.3.0 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] warning: liblinear@1.0.0: Compiler version doesn't include clang or GCC: "c++" "--version" [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp: In function 'void print_null(const char*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp:31:36: warning: unused parameter 's' [-Wunused-parameter] [INFO] [stderr] warning: liblinear@1.0.0: 31 | static void print_null(const char *s) {} [INFO] [stderr] warning: liblinear@1.0.0: | ~~~~~~~~~~~~^ [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp: In function 'double calc_max_p(const problem*, const parameter*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp:2311:64: warning: unused parameter 'param' [-Wunused-parameter] [INFO] [stderr] warning: liblinear@1.0.0: 2311 | static double calc_max_p(const problem *prob, const parameter *param) [INFO] [stderr] warning: liblinear@1.0.0: | ~~~~~~~~~~~~~~~~~^~~~~ [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp: In function 'const char* check_parameter(const problem*, const parameter*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/linear.cpp:3151:44: warning: unused parameter 'prob' [-Wunused-parameter] [INFO] [stderr] warning: liblinear@1.0.0: 3151 | const char *check_parameter(const problem *prob, const parameter *param) [INFO] [stderr] warning: liblinear@1.0.0: | ~~~~~~~~~~~~~~~^~~~ [INFO] [stderr] warning: liblinear@1.0.0: liblinear/blas/daxpy.c: In function 'int daxpy_(int*, double*, double*, int*, double*, int*)': [INFO] [stderr] warning: liblinear@1.0.0: liblinear/blas/daxpy.c:11:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] [INFO] [stderr] warning: liblinear@1.0.0: 11 | register double ssa; [INFO] [stderr] warning: liblinear@1.0.0: | ^~~ [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/ffi.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[doc(hidden)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | / extern "C" { [INFO] [stdout] 55 | | pub static liblinear_version: i32; [INFO] [stdout] 56 | | [INFO] [stdout] 57 | | pub fn train(prob: *const Problem, param: *const Parameter) -> *mut Model; [INFO] [stdout] ... | [INFO] [stdout] 101 | | pub fn set_print_string_function(func: Option); [INFO] [stdout] 102 | | } [INFO] [stdout] | |_- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/ffi.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | #[doc(hidden)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | / extern "C" { [INFO] [stdout] 55 | | pub static liblinear_version: i32; [INFO] [stdout] 56 | | [INFO] [stdout] 57 | | pub fn train(prob: *const Problem, param: *const Parameter) -> *mut Model; [INFO] [stdout] ... | [INFO] [stdout] 101 | | pub fn set_print_string_function(func: Option); [INFO] [stdout] 102 | | } [INFO] [stdout] | |_- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.88s [INFO] running `Command { std: "docker" "inspect" "c00855c678ee297326b66f955706d98b7c31c0c61f036db5d6b4ec0c97570d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c00855c678ee297326b66f955706d98b7c31c0c61f036db5d6b4ec0c97570d73", kill_on_drop: false }` [INFO] [stdout] c00855c678ee297326b66f955706d98b7c31c0c61f036db5d6b4ec0c97570d73