[INFO] fetching crate image-watcher 0.0.23... [INFO] checking image-watcher-0.0.23 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate image-watcher 0.0.23 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate image-watcher 0.0.23 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 image-watcher 0.0.23 [INFO] finished tweaking crates.io crate image-watcher 0.0.23 [INFO] tweaked toml for crates.io crate image-watcher 0.0.23 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 51 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding deflate v0.7.20 (latest: v1.0.0) [INFO] [stderr] Adding gif v0.10.3 (latest: v0.13.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding image v0.21.3 (latest: v0.25.1) [INFO] [stderr] Adding jpeg-decoder v0.1.22 (latest: v0.3.1) [INFO] [stderr] Adding num-derive v0.2.5 (latest: v0.4.2) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding png v0.14.1 (latest: v0.17.13) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding tiff v0.2.2 (latest: v0.9.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [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] Downloading crates ... [INFO] [stderr] Downloaded read_input v0.8.6 [INFO] [stderr] Downloaded set-error v1.0.1 [INFO] [stderr] Downloaded file-watcher v0.0.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e82c124e6537a72d84e7419526fcfc0045b2643ce020e4130973a2b8da5a21d2 [INFO] running `Command { std: "docker" "start" "-a" "e82c124e6537a72d84e7419526fcfc0045b2643ce020e4130973a2b8da5a21d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e82c124e6537a72d84e7419526fcfc0045b2643ce020e4130973a2b8da5a21d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e82c124e6537a72d84e7419526fcfc0045b2643ce020e4130973a2b8da5a21d2", kill_on_drop: false }` [INFO] [stdout] e82c124e6537a72d84e7419526fcfc0045b2643ce020e4130973a2b8da5a21d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 041dda46e9cf66e357eb33dd3742f68b8e560afd9092a05944686a92c6847c0c [INFO] running `Command { std: "docker" "start" "-a" "041dda46e9cf66e357eb33dd3742f68b8e560afd9092a05944686a92c6847c0c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking set-error v1.0.1 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking file-watcher v0.0.18 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking read_input v0.8.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Checking image-watcher v0.0.23 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/cli.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{self, ArgMatches}; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/parse.rs:5:54 [INFO] [stdout] | [INFO] [stdout] 5 | convert::TryFrom, fmt, fs::File, io::prelude::*, iter::Iterator, str::FromStr, string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/parse.rs:5:84 [INFO] [stdout] | [INFO] [stdout] 5 | convert::TryFrom, fmt, fs::File, io::prelude::*, iter::Iterator, str::FromStr, string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::{self, App, Arg}; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/main.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | iter::{repeat, Iterator}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/cli.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{self, ArgMatches}; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/parse.rs:5:54 [INFO] [stdout] | [INFO] [stdout] 5 | convert::TryFrom, fmt, fs::File, io::prelude::*, iter::Iterator, str::FromStr, string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> src/parse.rs:5:84 [INFO] [stdout] | [INFO] [stdout] 5 | convert::TryFrom, fmt, fs::File, io::prelude::*, iter::Iterator, str::FromStr, string::ToString, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `clap` is imported redundantly [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::{self, App, Arg}; [INFO] [stdout] | ^^^^ the item `clap` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/main.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | iter::{repeat, Iterator}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileWatched` is never constructed [INFO] [stdout] --> src/main.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct FileWatched { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileWatched` is never constructed [INFO] [stdout] --> src/main.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | struct FileWatched { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `Command { std: "docker" "inspect" "041dda46e9cf66e357eb33dd3742f68b8e560afd9092a05944686a92c6847c0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "041dda46e9cf66e357eb33dd3742f68b8e560afd9092a05944686a92c6847c0c", kill_on_drop: false }` [INFO] [stdout] 041dda46e9cf66e357eb33dd3742f68b8e560afd9092a05944686a92c6847c0c