[INFO] fetching crate count_constant_sites 0.1.1... [INFO] checking count_constant_sites-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate count_constant_sites 0.1.1 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate count_constant_sites 0.1.1 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 count_constant_sites 0.1.1 [INFO] finished tweaking crates.io crate count_constant_sites 0.1.1 [INFO] tweaked toml for crates.io crate count_constant_sites 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate count_constant_sites 0.1.1 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] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.4.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.5.2 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded memoffset v0.2.1 [INFO] [stderr] Downloaded crossbeam-utils v0.5.0 [INFO] [stderr] Downloaded crossbeam-deque v0.5.2 [INFO] [stderr] Downloaded owning_ref v0.4.0 [INFO] [stderr] Downloaded scopeguard v0.3.3 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded lock_api v0.1.5 [INFO] [stderr] Downloaded mach v0.2.3 [INFO] [stderr] Downloaded crc32fast v1.2.0 [INFO] [stderr] Downloaded miniz_oxide v0.3.3 [INFO] [stderr] Downloaded flate2 v1.0.12 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded stable_deref_trait v1.1.1 [INFO] [stderr] Downloaded parking_lot_core v0.3.1 [INFO] [stderr] Downloaded parking_lot v0.6.4 [INFO] [stderr] Downloaded crossbeam-channel v0.2.6 [INFO] [stderr] Downloaded serde v1.0.101 [INFO] [stderr] Downloaded syn v1.0.5 [INFO] [stderr] Downloaded serde_derive v1.0.101 [INFO] [stderr] Downloaded slice-deque v0.1.16 [INFO] [stderr] Downloaded seq_io v0.3.0 [INFO] [stderr] Downloaded buf_redux v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c65b26e9158f3d7627047c08943729ec8cee4b413ef826fb9db948c990d05421 [INFO] running `Command { std: "docker" "start" "-a" "c65b26e9158f3d7627047c08943729ec8cee4b413ef826fb9db948c990d05421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c65b26e9158f3d7627047c08943729ec8cee4b413ef826fb9db948c990d05421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c65b26e9158f3d7627047c08943729ec8cee4b413ef826fb9db948c990d05421", kill_on_drop: false }` [INFO] [stdout] c65b26e9158f3d7627047c08943729ec8cee4b413ef826fb9db948c990d05421 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d9fcb357c2b20d40bcc55caa4a7dd2dbe7dc4a291022be82b2feb3ee8d581b9b [INFO] running `Command { std: "docker" "start" "-a" "d9fcb357c2b20d40bcc55caa4a7dd2dbe7dc4a291022be82b2feb3ee8d581b9b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking miniz_oxide v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking slice-deque v0.1.16 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking flate2 v1.0.12 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking buf_redux v0.7.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking seq_io v0.3.0 [INFO] [stderr] Checking count_constant_sites v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` 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 22.10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.7.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "d9fcb357c2b20d40bcc55caa4a7dd2dbe7dc4a291022be82b2feb3ee8d581b9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9fcb357c2b20d40bcc55caa4a7dd2dbe7dc4a291022be82b2feb3ee8d581b9b", kill_on_drop: false }` [INFO] [stdout] d9fcb357c2b20d40bcc55caa4a7dd2dbe7dc4a291022be82b2feb3ee8d581b9b [INFO] checking count_constant_sites-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate count_constant_sites 0.1.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate count_constant_sites 0.1.1 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 count_constant_sites 0.1.1 [INFO] finished tweaking crates.io crate count_constant_sites 0.1.1 [INFO] tweaked toml for crates.io crate count_constant_sites 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate count_constant_sites 0.1.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c506aa2d2fd33eed590edeeb74d6f2b679d0f291a4653a2f8f1842d49e0e5aee [INFO] running `Command { std: "docker" "start" "-a" "c506aa2d2fd33eed590edeeb74d6f2b679d0f291a4653a2f8f1842d49e0e5aee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c506aa2d2fd33eed590edeeb74d6f2b679d0f291a4653a2f8f1842d49e0e5aee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c506aa2d2fd33eed590edeeb74d6f2b679d0f291a4653a2f8f1842d49e0e5aee", kill_on_drop: false }` [INFO] [stdout] c506aa2d2fd33eed590edeeb74d6f2b679d0f291a4653a2f8f1842d49e0e5aee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca5ccb7fdf3f53f22daf5934eb7a21f44c39cff16fae7cb7d8a69c3a45fa5f90 [INFO] running `Command { std: "docker" "start" "-a" "ca5ccb7fdf3f53f22daf5934eb7a21f44c39cff16fae7cb7d8a69c3a45fa5f90", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking miniz_oxide v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking slice-deque v0.1.16 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking flate2 v1.0.12 [INFO] [stderr] Checking buf_redux v0.7.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking seq_io v0.3.0 [INFO] [stderr] Checking count_constant_sites v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` 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 20.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.7.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "ca5ccb7fdf3f53f22daf5934eb7a21f44c39cff16fae7cb7d8a69c3a45fa5f90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca5ccb7fdf3f53f22daf5934eb7a21f44c39cff16fae7cb7d8a69c3a45fa5f90", kill_on_drop: false }` [INFO] [stdout] ca5ccb7fdf3f53f22daf5934eb7a21f44c39cff16fae7cb7d8a69c3a45fa5f90