[INFO] fetching crate ppar 0.3.1...
[INFO] testing ppar-0.3.1 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate ppar 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ppar 0.3.1
[INFO] finished tweaking crates.io crate ppar 0.3.1
[INFO] tweaked toml for crates.io crate ppar 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ppar 0.3.1 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ppar 0.3.1 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.7
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee82e87bad33cdc361496012ccb749b5d0fcae01817e18ff1b66e336461e91a8
[INFO] running `Command { std: "docker" "start" "-a" "ee82e87bad33cdc361496012ccb749b5d0fcae01817e18ff1b66e336461e91a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee82e87bad33cdc361496012ccb749b5d0fcae01817e18ff1b66e336461e91a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee82e87bad33cdc361496012ccb749b5d0fcae01817e18ff1b66e336461e91a8", kill_on_drop: false }`
[INFO] [stdout] ee82e87bad33cdc361496012ccb749b5d0fcae01817e18ff1b66e336461e91a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89d81f904e4262c16fa282d7ce462e909ccc3f6bd01c8952f6688a00cf89ddda
[INFO] running `Command { std: "docker" "start" "-a" "89d81f904e4262c16fa282d7ce462e909ccc3f6bd01c8952f6688a00cf89ddda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling derive_arbitrary v0.4.7
[INFO] [stderr]    Compiling arbitrary v0.4.7
[INFO] [stderr]    Compiling ppar v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `arbitrary`
[INFO] [stdout]   --> src/./ppar.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg(any(feature = "arbitrary", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `im`, `im-rc`, `perf`, `rand`, and `structopt`
[INFO] [stdout]    = help: consider adding `arbitrary` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/./ppar.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.60s
[INFO] running `Command { std: "docker" "inspect" "89d81f904e4262c16fa282d7ce462e909ccc3f6bd01c8952f6688a00cf89ddda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d81f904e4262c16fa282d7ce462e909ccc3f6bd01c8952f6688a00cf89ddda", kill_on_drop: false }`
[INFO] [stdout] 89d81f904e4262c16fa282d7ce462e909ccc3f6bd01c8952f6688a00cf89ddda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a021c03d65ca0eb7db4dd980f069417eeccafda23ccb8090e13d998a4f12b67
[INFO] running `Command { std: "docker" "start" "-a" "4a021c03d65ca0eb7db4dd980f069417eeccafda23ccb8090e13d998a4f12b67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stdout] warning: unexpected `cfg` condition value: `arbitrary`
[INFO] [stdout]   --> src/./ppar.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg(any(feature = "arbitrary", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `im`, `im-rc`, `perf`, `rand`, and `structopt`
[INFO] [stdout]    = help: consider adding `arbitrary` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/./ppar.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ppar v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `arbitrary`
[INFO] [stdout]   --> src/./ppar.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg(any(feature = "arbitrary", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `im`, `im-rc`, `perf`, `rand`, and `structopt`
[INFO] [stdout]    = help: consider adding `arbitrary` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/./ppar.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "4a021c03d65ca0eb7db4dd980f069417eeccafda23ccb8090e13d998a4f12b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a021c03d65ca0eb7db4dd980f069417eeccafda23ccb8090e13d998a4f12b67", kill_on_drop: false }`
[INFO] [stdout] 4a021c03d65ca0eb7db4dd980f069417eeccafda23ccb8090e13d998a4f12b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8ef6e21143ba76e6561dd0290252cf015fcefa82a44aaf0599e54bf6f3d5f30
[INFO] running `Command { std: "docker" "start" "-a" "b8ef6e21143ba76e6561dd0290252cf015fcefa82a44aaf0599e54bf6f3d5f30", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `arbitrary`
[INFO] [stderr]   --> src/./ppar.rs:47:11
[INFO] [stderr]    |
[INFO] [stderr] 47 | #[cfg(any(feature = "arbitrary", test))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `im`, `im-rc`, `perf`, `rand`, and `structopt`
[INFO] [stderr]    = help: consider adding `arbitrary` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/./ppar.rs:306:17
[INFO] [stderr]     |
[INFO] [stderr] 306 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 306 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ppar` (lib) generated 2 warnings
[INFO] [stderr] warning: `ppar` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ppar-725e4ea25b069bc8)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test arc::ppar::ppar_test::test_new ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_from_slice ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_into_iter ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_append ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_new ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_append ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_iter ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_from_slice ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_iter ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_to_vec ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_crud ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_crud ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_into_iter ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_to_vec ... ok
[INFO] [stdout] test arc::ppar::fuzzy_test::test_fuzzy ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_split_off ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_rebalance ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_rebalance ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_split_off ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_delete_skew ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_delete_skew ... ok
[INFO] [stdout] test arc::ppar::ppar_test::test_prepend ... ok
[INFO] [stdout] test rc::ppar::ppar_test::test_prepend ... ok
[INFO] [stdout] test rc::ppar::fuzzy_test::test_fuzzy has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b8ef6e21143ba76e6561dd0290252cf015fcefa82a44aaf0599e54bf6f3d5f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ef6e21143ba76e6561dd0290252cf015fcefa82a44aaf0599e54bf6f3d5f30", kill_on_drop: false }`
[INFO] [stdout] b8ef6e21143ba76e6561dd0290252cf015fcefa82a44aaf0599e54bf6f3d5f30
