[INFO] fetching crate ppcp 0.1.0... [INFO] checking ppcp-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate ppcp 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate ppcp 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ppcp 0.1.0 [INFO] finished tweaking crates.io crate ppcp 0.1.0 [INFO] tweaked toml for crates.io crate ppcp 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate ppcp 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded std_prelude v0.2.12 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded quote v0.6.11 [INFO] [stderr] Downloaded path_abs v0.5.0 [INFO] [stderr] Downloaded stfu8 v0.2.4 [INFO] [stderr] Downloaded cfg-if v0.1.7 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded synstructure v0.10.1 [INFO] [stderr] Downloaded redox_syscall v0.1.52 [INFO] [stderr] Downloaded proc-macro2 v0.4.27 [INFO] [stderr] Downloaded rustc-demangle v0.1.13 [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded cc v1.0.34 [INFO] [stderr] Downloaded serde v1.0.98 [INFO] [stderr] Downloaded syn v0.15.30 [INFO] [stderr] Downloaded encode_unicode v0.3.5 [INFO] [stderr] Downloaded libc v0.2.51 [INFO] [stderr] Downloaded backtrace-sys v0.1.28 [INFO] [stderr] Downloaded backtrace v0.3.15 [INFO] [stderr] Downloaded termion v1.5.1 [INFO] [stderr] Downloaded autocfg v0.1.2 [INFO] [stderr] Downloaded terminal_size v0.1.13 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded console v0.11.3 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74f45cf20c1acb0a756d12c8670e966cb065bb7eb7bbb7727c9e3a31e5c6d1e1 [INFO] running `Command { std: "docker" "start" "-a" "74f45cf20c1acb0a756d12c8670e966cb065bb7eb7bbb7727c9e3a31e5c6d1e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74f45cf20c1acb0a756d12c8670e966cb065bb7eb7bbb7727c9e3a31e5c6d1e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74f45cf20c1acb0a756d12c8670e966cb065bb7eb7bbb7727c9e3a31e5c6d1e1", kill_on_drop: false }` [INFO] [stdout] 74f45cf20c1acb0a756d12c8670e966cb065bb7eb7bbb7727c9e3a31e5c6d1e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30efd1b6818536f67adabe5af405a42601dd97c4e116010f897a66220c00cb99 [INFO] running `Command { std: "docker" "start" "-a" "30efd1b6818536f67adabe5af405a42601dd97c4e116010f897a66220c00cb99", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling cc v1.0.34 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking std_prelude v0.2.12 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking terminal_size v0.1.13 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking pathdiff v0.1.0 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking stfu8 v0.2.4 [INFO] [stderr] Checking indicatif v0.15.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking path_abs v0.5.0 [INFO] [stderr] Checking ppcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `path_abs::PathAbs` [INFO] [stdout] --> src/app.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use path_abs::PathAbs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `path_abs::PathAbs` [INFO] [stdout] --> src/app.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use path_abs::PathAbs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/copy.rs:212:12 [INFO] [stdout] | [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/copy.rs:212:12 [INFO] [stdout] | [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MockCopyWorker` is never constructed [INFO] [stdout] --> src/copy.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 209 | struct MockCopyWorker {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MockCopyWorker` is never constructed [INFO] [stdout] --> src/copy.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 209 | struct MockCopyWorker {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `run` is never used [INFO] [stdout] --> src/copy.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 211 | impl MockCopyWorker { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `run` is never used [INFO] [stdout] --> src/copy.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 211 | impl MockCopyWorker { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.61s [INFO] running `Command { std: "docker" "inspect" "30efd1b6818536f67adabe5af405a42601dd97c4e116010f897a66220c00cb99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30efd1b6818536f67adabe5af405a42601dd97c4e116010f897a66220c00cb99", kill_on_drop: false }` [INFO] [stdout] 30efd1b6818536f67adabe5af405a42601dd97c4e116010f897a66220c00cb99