[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 master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frask%2Fwppr" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rask/wppr on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rask/wppr against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frask%2Fwppr" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rask/wppr on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--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 serde v1.0.80
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded toml v0.4.8
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded cargo_metadata v0.5.8
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded term v0.2.14
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded serde_json v1.0.32
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded ryu v0.2.6
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] [stderr]   Downloaded bytecount v0.3.2
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded skeptic v0.13.3
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded encode_unicode v0.3.3
[INFO] [stderr]   Downloaded text-diff v0.4.0
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfc478c26b2b44b00eb5968570ce02b27234c08510486bbc7879ae4697cfa1d1
[INFO] running `Command { std: "docker" "start" "-a" "cfc478c26b2b44b00eb5968570ce02b27234c08510486bbc7879ae4697cfa1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc478c26b2b44b00eb5968570ce02b27234c08510486bbc7879ae4697cfa1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc478c26b2b44b00eb5968570ce02b27234c08510486bbc7879ae4697cfa1d1", kill_on_drop: false }`
[INFO] [stdout] cfc478c26b2b44b00eb5968570ce02b27234c08510486bbc7879ae4697cfa1d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95535bceb615c721ebd46fd02884be6d4fb9aa92bd1f890dab9db3a408f680a0
[INFO] running `Command { std: "docker" "start" "-a" "95535bceb615c721ebd46fd02884be6d4fb9aa92bd1f890dab9db3a408f680a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking encode_unicode v0.3.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking text-diff v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.5.8
[INFO] [stderr]     Checking wppr v0.1.0 (/opt/rustwide/workdir)
[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: function `setup_test_dummy_project` is never used
[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 `setup_test_dummy_project` is never used
[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 `update_test_dummy_project` is never used
[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 `setup_test_dummy_project` is never used
[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 `discard_test_dummy_project` is never used
[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 `update_test_dummy_project` is never used
[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 `discard_test_dummy_project` is never used
[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 `update_test_dummy_project` is never used
[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 `discard_test_dummy_project` is never used
[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 `setup_test_dummy_project` is never used
[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 `update_test_dummy_project` is never used
[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 `discard_test_dummy_project` is never used
[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: 3 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.1.0, rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "95535bceb615c721ebd46fd02884be6d4fb9aa92bd1f890dab9db3a408f680a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95535bceb615c721ebd46fd02884be6d4fb9aa92bd1f890dab9db3a408f680a0", kill_on_drop: false }`
[INFO] [stdout] 95535bceb615c721ebd46fd02884be6d4fb9aa92bd1f890dab9db3a408f680a0
