[INFO] fetching crate libips 0.0.2-placeholder...
[INFO] checking libips-0.0.2-placeholder against beta for pr-78714
[INFO] extracting crate libips 0.0.2-placeholder into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libips 0.0.2-placeholder on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libips 0.0.2-placeholder
[INFO] finished tweaking crates.io crate libips 0.0.2-placeholder
[INFO] tweaked toml for crates.io crate libips 0.0.2-placeholder written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ff36f5701104bd01ccb23ce8a2941c5c41af211fcece7b7e105c3233ab50da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0ff36f5701104bd01ccb23ce8a2941c5c41af211fcece7b7e105c3233ab50da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ff36f5701104bd01ccb23ce8a2941c5c41af211fcece7b7e105c3233ab50da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ff36f5701104bd01ccb23ce8a2941c5c41af211fcece7b7e105c3233ab50da", kill_on_drop: false }`
[INFO] [stdout] f0ff36f5701104bd01ccb23ce8a2941c5c41af211fcece7b7e105c3233ab50da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6804e565843027cf2282ce81825d20d5cd030713185ee438ce8de0041d0bab6
[INFO] running `Command { std: "docker" "start" "-a" "c6804e565843027cf2282ce81825d20d5cd030713185ee438ce8de0041d0bab6", kill_on_drop: false }`
[INFO] [stderr]     Checking libips v0.0.2-placeholder (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manifest`
[INFO] [stdout]    --> src/lib.rs:701:13
[INFO] [stdout]     |
[INFO] [stdout] 701 |         let mut manifest = Manifest::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manifest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/actions/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(kind: ActionKind) -> Action{
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/actions/mod.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn new() -> Manifest {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Attr`
[INFO] [stdout]    --> src/actions/mod.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     Attr,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dir`
[INFO] [stdout]    --> src/actions/mod.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     Dir,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]    --> src/actions/mod.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     File,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dependency`
[INFO] [stdout]    --> src/actions/mod.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     Dependency,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `User`
[INFO] [stdout]    --> src/actions/mod.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     User,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Group`
[INFO] [stdout]    --> src/actions/mod.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     Group,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Driver`
[INFO] [stdout]    --> src/actions/mod.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     Driver,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `License`
[INFO] [stdout]    --> src/actions/mod.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     License,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Link`
[INFO] [stdout]    --> src/actions/mod.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     Link,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Legacy`
[INFO] [stdout]    --> src/actions/mod.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     Legacy,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnknownAction`
[INFO] [stdout]    --> src/actions/mod.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 | /     UnknownAction {
[INFO] [stdout] 161 | |         line: usize,
[INFO] [stdout] 162 | |         action: String,
[INFO] [stdout] 163 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidAction`
[INFO] [stdout]    --> src/actions/mod.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | /     InvalidAction {
[INFO] [stdout] 166 | |         line: usize,
[INFO] [stdout] 167 | |         action: String,
[INFO] [stdout] 168 | |         message: String,
[INFO] [stdout] 169 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_manifest_file`
[INFO] [stdout]    --> src/actions/mod.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub fn parse_manifest_file(filename: String) -> Result<Manifest, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_manifest_string`
[INFO] [stdout]    --> src/actions/mod.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn parse_manifest_string(manifest: String) -> Result<Manifest, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_manifest_line`
[INFO] [stdout]    --> src/actions/mod.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn handle_manifest_line(manifest: &mut Manifest, line: &str, line_nr: usize) -> Result<(), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_facet_to_action`
[INFO] [stdout]    --> src/actions/mod.rs:232:4
[INFO] [stdout]     |
[INFO] [stdout] 232 | fn add_facet_to_action<T: FacetedAction>(action: &mut T, facet_string: String, line: String, line_nr: usize) -> Result<(), ManifestError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `determine_action_kind`
[INFO] [stdout]    --> src/actions/mod.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn determine_action_kind(line: &str) -> ActionKind {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clean_string_value`
[INFO] [stdout]    --> src/actions/mod.rs:279:4
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn clean_string_value(orig: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_to_bool`
[INFO] [stdout]    --> src/actions/mod.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn string_to_bool(orig: &str) -> Result<bool, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_file_action`
[INFO] [stdout]    --> src/actions/mod.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn parse_file_action(line: String, line_nr: usize) -> Result<File, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_dir_action`
[INFO] [stdout]    --> src/actions/mod.rs:358:4
[INFO] [stdout]     |
[INFO] [stdout] 358 | fn parse_dir_action(line: String, line_nr: usize) -> Result<Dir, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_attr_action`
[INFO] [stdout]    --> src/actions/mod.rs:398:4
[INFO] [stdout]     |
[INFO] [stdout] 398 | fn parse_attr_action(line: String) -> Result<Attr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LZ4`
[INFO] [stdout]   --> src/payload/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LZ4
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bits32`
[INFO] [stdout]   --> src/payload/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Bits32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bits64`
[INFO] [stdout]   --> src/payload/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Bits64
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `I386`
[INFO] [stdout]   --> src/payload/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     I386,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SPARC`
[INFO] [stdout]   --> src/payload/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     SPARC,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ARM`
[INFO] [stdout]   --> src/payload/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ARM,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RISCV`
[INFO] [stdout]   --> src/payload/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     RISCV
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:701:13
[INFO] [stdout]     |
[INFO] [stdout] 701 |         let mut manifest = Manifest::new();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/actions/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(kind: ActionKind) -> Action{
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_manifest_file`
[INFO] [stdout]    --> src/actions/mod.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub fn parse_manifest_file(filename: String) -> Result<Manifest, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LZ4`
[INFO] [stdout]   --> src/payload/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LZ4
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bits32`
[INFO] [stdout]   --> src/payload/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Bits32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bits64`
[INFO] [stdout]   --> src/payload/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Bits64
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `I386`
[INFO] [stdout]   --> src/payload/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     I386,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SPARC`
[INFO] [stdout]   --> src/payload/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     SPARC,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ARM`
[INFO] [stdout]   --> src/payload/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ARM,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RISCV`
[INFO] [stdout]   --> src/payload/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     RISCV
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c6804e565843027cf2282ce81825d20d5cd030713185ee438ce8de0041d0bab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6804e565843027cf2282ce81825d20d5cd030713185ee438ce8de0041d0bab6", kill_on_drop: false }`
[INFO] [stdout] c6804e565843027cf2282ce81825d20d5cd030713185ee438ce8de0041d0bab6