[INFO] fetching crate cargo-with 0.3.2... [INFO] checking cargo-with-0.3.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate cargo-with 0.3.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate cargo-with 0.3.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cargo-with 0.3.2 [INFO] finished tweaking crates.io crate cargo-with 0.3.2 [INFO] tweaked toml for crates.io crate cargo-with 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate cargo-with 0.3.2 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.32 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded failure_derive v0.1.3 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded textwrap v0.10.0 [INFO] [stderr] Downloaded cc v1.0.25 [INFO] [stderr] Downloaded syn v0.15.13 [INFO] [stderr] Downloaded serde v1.0.80 [INFO] [stderr] Downloaded backtrace v0.3.9 [INFO] [stderr] Downloaded failure v0.1.3 [INFO] [stderr] Downloaded ryu v0.2.6 [INFO] [stderr] Downloaded serde_derive v1.0.80 [INFO] [stderr] Downloaded clap v2.32.0 [INFO] [stderr] Downloaded regex-syntax v0.6.2 [INFO] [stderr] Downloaded regex v1.0.5 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded termion v1.5.1 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded aho-corasick v0.6.8 [INFO] [stderr] Downloaded libc v0.2.43 [INFO] [stderr] Downloaded env_logger v0.6.0 [INFO] [stderr] Downloaded synstructure v0.10.0 [INFO] [stderr] Downloaded log v0.4.5 [INFO] [stderr] Downloaded proc-macro2 v0.4.20 [INFO] [stderr] Downloaded strsim v0.7.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.24 [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded memchr v2.1.0 [INFO] [stderr] Downloaded ucd-util v0.1.1 [INFO] [stderr] Downloaded utf8-ranges v1.0.1 [INFO] [stderr] Downloaded termcolor v1.0.4 [INFO] [stderr] Downloaded rustc-demangle v0.1.9 [INFO] [stderr] Downloaded humantime v1.1.1 [INFO] [stderr] Downloaded quote v0.6.8 [INFO] [stderr] Downloaded itoa v0.4.3 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded winapi-util v0.1.1 [INFO] [stderr] Downloaded wincolor v1.0.1 [INFO] [stderr] Downloaded cfg-if v0.1.6 [INFO] [stderr] Downloaded lazy_static v1.1.0 [INFO] [stderr] Downloaded winapi v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cd1b956b1ffd7a568bae4f9d0c9450b3974a9d0ac192963aa640ef183d5f1b9 [INFO] running `Command { std: "docker" "start" "-a" "4cd1b956b1ffd7a568bae4f9d0c9450b3974a9d0ac192963aa640ef183d5f1b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cd1b956b1ffd7a568bae4f9d0c9450b3974a9d0ac192963aa640ef183d5f1b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cd1b956b1ffd7a568bae4f9d0c9450b3974a9d0ac192963aa640ef183d5f1b9", kill_on_drop: false }` [INFO] [stdout] 4cd1b956b1ffd7a568bae4f9d0c9450b3974a9d0ac192963aa640ef183d5f1b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e84fda048f0e45ba993e51444fd93ed5934642a22234c411c83bd5ba61f49f29 [INFO] running `Command { std: "docker" "start" "-a" "e84fda048f0e45ba993e51444fd93ed5934642a22234c411c83bd5ba61f49f29", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling synstructure v0.10.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking cargo-with v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(v) => unreachable(v), [INFO] [stdout] | ^^^^^ matches no values because `Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(v) => unreachable(v), [INFO] [stdout] | ^^^^^ matches no values because `Void` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `features`, `fresh`, and `reason` are never read [INFO] [stdout] --> src/cargo_command.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 139 | struct CargoBuildOutputElement { [INFO] [stdout] | ----------------------- fields in this struct [INFO] [stdout] 140 | features: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 141 | filenames: Vec, [INFO] [stdout] 142 | fresh: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | reason: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CargoBuildOutputElement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `debug_assertions`, `debuginfo`, `opt_level`, and `overflow_checks` are never read [INFO] [stdout] --> src/cargo_command.rs:151:5 [INFO] [stdout] | [INFO] [stdout] 150 | struct Profile { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 151 | debug_assertions: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 152 | debuginfo: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 153 | opt_level: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 154 | overflow_checks: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Profile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `crate_types`, `edition`, `name`, and `src_path` are never read [INFO] [stdout] --> src/cargo_command.rs:196:5 [INFO] [stdout] | [INFO] [stdout] 195 | struct Target { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 196 | crate_types: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 197 | edition: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 198 | kind: Vec, [INFO] [stdout] 199 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 200 | src_path: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Target` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `features`, `fresh`, and `reason` are never read [INFO] [stdout] --> src/cargo_command.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 139 | struct CargoBuildOutputElement { [INFO] [stdout] | ----------------------- fields in this struct [INFO] [stdout] 140 | features: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 141 | filenames: Vec, [INFO] [stdout] 142 | fresh: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | reason: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CargoBuildOutputElement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `debug_assertions`, `debuginfo`, `opt_level`, and `overflow_checks` are never read [INFO] [stdout] --> src/cargo_command.rs:151:5 [INFO] [stdout] | [INFO] [stdout] 150 | struct Profile { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 151 | debug_assertions: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 152 | debuginfo: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 153 | opt_level: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 154 | overflow_checks: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Profile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `crate_types`, `edition`, `name`, and `src_path` are never read [INFO] [stdout] --> src/cargo_command.rs:196:5 [INFO] [stdout] | [INFO] [stdout] 195 | struct Target { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 196 | crate_types: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 197 | edition: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 198 | kind: Vec, [INFO] [stdout] 199 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 200 | src_path: PathBuf, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Target` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.34s [INFO] running `Command { std: "docker" "inspect" "e84fda048f0e45ba993e51444fd93ed5934642a22234c411c83bd5ba61f49f29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e84fda048f0e45ba993e51444fd93ed5934642a22234c411c83bd5ba61f49f29", kill_on_drop: false }` [INFO] [stdout] e84fda048f0e45ba993e51444fd93ed5934642a22234c411c83bd5ba61f49f29