[INFO] cloning repository https://github.com/rask/wppr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rask/wppr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frask%2Fwppr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frask%2Fwppr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4fa94247a0271c1a65df8da0991c674b31b137f
[INFO] checking rask/wppr against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frask%2Fwppr" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rask/wppr 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/rask/wppr
[INFO] finished tweaking git repo https://github.com/rask/wppr
[INFO] tweaked toml for git repo https://github.com/rask/wppr written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rask/wppr 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]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded skeptic v0.13.3
[INFO] [stderr]   Downloaded cargo_metadata v0.5.8
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded text-diff v0.4.0
[INFO] [stderr]   Downloaded encode_unicode v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8647ab41b82562ebb10c3a200b3aa62bbe872d58717ef090ef2e04be3a1b8ff2
[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" "8647ab41b82562ebb10c3a200b3aa62bbe872d58717ef090ef2e04be3a1b8ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8647ab41b82562ebb10c3a200b3aa62bbe872d58717ef090ef2e04be3a1b8ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8647ab41b82562ebb10c3a200b3aa62bbe872d58717ef090ef2e04be3a1b8ff2", kill_on_drop: false }`
[INFO] [stdout] 8647ab41b82562ebb10c3a200b3aa62bbe872d58717ef090ef2e04be3a1b8ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 730929bd67d994df1405a0cf8114937047bcdebdc5499c51e6d8e49c6587d638
[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" "730929bd67d994df1405a0cf8114937047bcdebdc5499c51e6d8e49c6587d638", kill_on_drop: false }`
[INFO] [stderr]     Checking encode_unicode v0.3.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking text-diff v0.4.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking wppr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cargo_metadata v0.5.8
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/testfns_test.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |       return (); // FIXME the test is shaky and fails from time to time
[INFO] [stdout]    |       --------- any code following this expression is unreachable
[INFO] [stdout] 13 | 
[INFO] [stdout] 14 | /     let actualdest: PathBuf = PathBuf::from(
[INFO] [stdout] 15 | |         env::current_dir().unwrap().to_str().unwrap().to_string() + "/tests/data/testproj"
[INFO] [stdout] 16 | |     );
[INFO] [stdout]    | |______^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/testfns_test.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |       return (); // FIXME the test is shaky and fails from time to time
[INFO] [stdout]    |       --------- any code following this expression is unreachable
[INFO] [stdout] 44 | 
[INFO] [stdout] 45 | /     let actualdest: PathBuf = PathBuf::from(
[INFO] [stdout] 46 | |         env::current_dir().unwrap().to_str().unwrap().to_string() + "/tests/data/testproj"
[INFO] [stdout] 47 | |     );
[INFO] [stdout]    | |______^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/testfns_test.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |       return (); // FIXME the test is shaky and fails from time to time
[INFO] [stdout]    |       --------- any code following this expression is unreachable
[INFO] [stdout] 89 | 
[INFO] [stdout] 90 | /     let actualdest: PathBuf = PathBuf::from(
[INFO] [stdout] 91 | |         env::current_dir().unwrap().to_str().unwrap().to_string() + "/tests/data/testproj"
[INFO] [stdout] 92 | |     );
[INFO] [stdout]    | |______^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn setup_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn update_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `discard_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn discard_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn setup_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn update_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `discard_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn discard_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn setup_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn update_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `discard_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn discard_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn setup_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn update_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `discard_test_dummy_project`
[INFO] [stdout]   --> tests/./testfns.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn discard_test_dummy_project() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.74s
[INFO] running `Command { std: "docker" "inspect" "730929bd67d994df1405a0cf8114937047bcdebdc5499c51e6d8e49c6587d638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730929bd67d994df1405a0cf8114937047bcdebdc5499c51e6d8e49c6587d638", kill_on_drop: false }`
[INFO] [stdout] 730929bd67d994df1405a0cf8114937047bcdebdc5499c51e6d8e49c6587d638