[INFO] cloning repository https://github.com/fooker/mvv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fooker/mvv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffooker%2Fmvv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffooker%2Fmvv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dac48b2bd00fcd982278c22a90b1374025eaa75d
[INFO] checking fooker/mvv against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffooker%2Fmvv" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fooker/mvv 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 git repo https://github.com/fooker/mvv
[INFO] finished tweaking git repo https://github.com/fooker/mvv
[INFO] tweaked toml for git repo https://github.com/fooker/mvv written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/fooker/mvv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reflink v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ed8b5613c6395bc9ec12de67b4e090a66e4204018af0f36c2074ff0a21952b24
[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" "ed8b5613c6395bc9ec12de67b4e090a66e4204018af0f36c2074ff0a21952b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed8b5613c6395bc9ec12de67b4e090a66e4204018af0f36c2074ff0a21952b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8b5613c6395bc9ec12de67b4e090a66e4204018af0f36c2074ff0a21952b24", kill_on_drop: false }`
[INFO] [stdout] ed8b5613c6395bc9ec12de67b4e090a66e4204018af0f36c2074ff0a21952b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] dee15cff83173fab95af38541420f45ab554fab331ecefc109b1aa8242d288e1
[INFO] running `Command { std: "docker" "start" "-a" "dee15cff83173fab95af38541420f45ab554fab331ecefc109b1aa8242d288e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking reflink v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking mmv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]   --> src/commands/update.rs:32:44
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 EitherOrBoth::Right((path, action)) => {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/commands/update.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run(workspace: &Path, matches: &ArgMatches) -> Result<(), ProgramError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]  --> src/commands/status.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn run(workspace: &Path, matches: &ArgMatches) -> Result<(), ProgramError> {
[INFO] [stdout]   |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/commands/edit.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let status = std::process::Command::new("vim")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]  --> src/commands/edit.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run(workspace: &Path, matches: &ArgMatches) -> Result<(), ProgramError> {
[INFO] [stdout]   |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]   --> src/commands/update.rs:32:44
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 EitherOrBoth::Right((path, action)) => {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/commands/update.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run(workspace: &Path, matches: &ArgMatches) -> Result<(), ProgramError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]  --> src/commands/status.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn run(workspace: &Path, matches: &ArgMatches) -> Result<(), ProgramError> {
[INFO] [stdout]   |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/commands/edit.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let status = std::process::Command::new("vim")
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]  --> src/commands/edit.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run(workspace: &Path, matches: &ArgMatches) -> Result<(), ProgramError> {
[INFO] [stdout]   |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `workspace`
[INFO] [stdout]   --> src/changeset.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn workspace(&self) -> &Workspace {
[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: `path`
[INFO] [stdout]    --> src/changeset.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `records`
[INFO] [stdout]    --> src/changeset.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn records(&self) -> &BTreeMap<PathBuf, Action> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `records_mut`
[INFO] [stdout]    --> src/changeset.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn records_mut(&mut self) -> &mut BTreeMap<PathBuf, Action> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `workspace`
[INFO] [stdout]   --> src/changeset.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn workspace(&self) -> &Workspace {
[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: `path`
[INFO] [stdout]    --> src/changeset.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn path(&self) -> &Path {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `records`
[INFO] [stdout]    --> src/changeset.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn records(&self) -> &BTreeMap<PathBuf, Action> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `records_mut`
[INFO] [stdout]    --> src/changeset.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn records_mut(&mut self) -> &mut BTreeMap<PathBuf, Action> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "dee15cff83173fab95af38541420f45ab554fab331ecefc109b1aa8242d288e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee15cff83173fab95af38541420f45ab554fab331ecefc109b1aa8242d288e1", kill_on_drop: false }`
[INFO] [stdout] dee15cff83173fab95af38541420f45ab554fab331ecefc109b1aa8242d288e1