[INFO] fetching crate distant-core 0.16.4...
[INFO] testing distant-core-0.16.4 against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839
[INFO] extracting crate distant-core 0.16.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate distant-core 0.16.4 on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate distant-core 0.16.4
[INFO] finished tweaking crates.io crate distant-core 0.16.4
[INFO] tweaked toml for crates.io crate distant-core 0.16.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e9091620b267504fcd1080334a8a6f1fdc4d370361ae4eb7184ba55c0fb4def
[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" "2e9091620b267504fcd1080334a8a6f1fdc4d370361ae4eb7184ba55c0fb4def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e9091620b267504fcd1080334a8a6f1fdc4d370361ae4eb7184ba55c0fb4def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9091620b267504fcd1080334a8a6f1fdc4d370361ae4eb7184ba55c0fb4def", kill_on_drop: false }`
[INFO] [stdout] 2e9091620b267504fcd1080334a8a6f1fdc4d370361ae4eb7184ba55c0fb4def
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--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] 2c13b913e273406c5d34c85aba0c7cb7a283344a29be82b4ef7b17c916938df3
[INFO] running `Command { std: "docker" "start" "-a" "2c13b913e273406c5d34c85aba0c7cb7a283344a29be82b4ef7b17c916938df3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling normpath v0.3.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.5
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.17
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chacha20 v0.8.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.9.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling filedescriptor v0.8.2
[INFO] [stderr]    Compiling portable-pty v0.7.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tokio-util v0.6.10
[INFO] [stderr]    Compiling notify v5.0.0-pre.15
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling distant-core v0.16.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VariantNames`
[INFO] [stdout]   --> src/data.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 | use strum::{AsRefStr, EnumString, EnumVariantNames, VariantNames};
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "2c13b913e273406c5d34c85aba0c7cb7a283344a29be82b4ef7b17c916938df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c13b913e273406c5d34c85aba0c7cb7a283344a29be82b4ef7b17c916938df3", kill_on_drop: false }`
[INFO] [stdout] 2c13b913e273406c5d34c85aba0c7cb7a283344a29be82b4ef7b17c916938df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen" "--no-run" "--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] 54a29416b9aadc673e6cf0ef271483dba12790e926eb2e361372abea6bb56790
[INFO] running `Command { std: "docker" "start" "-a" "54a29416b9aadc673e6cf0ef271483dba12790e926eb2e361372abea6bb56790", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling termtree v0.2.4
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-lock v2.5.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling predicates-tree v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stdout] warning: unused import: `VariantNames`
[INFO] [stdout]   --> src/data.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 | use strum::{AsRefStr, EnumString, EnumVariantNames, VariantNames};
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.13.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling async-io v1.7.0
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling time v0.3.11
[INFO] [stderr]    Compiling async-global-executor v2.2.0
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling globset v0.4.9
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling flexi_logger v0.22.5
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling assert_fs v1.0.7
[INFO] [stderr]    Compiling rstest v0.13.0
[INFO] [stderr]    Compiling distant-core v0.16.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VariantNames`
[INFO] [stdout]   --> src/data.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 | use strum::{AsRefStr, EnumString, EnumVariantNames, VariantNames};
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `distant-core`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name distant_core --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=fcfe5272e0498001 -C extra-filename=-fcfe5272e0498001 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_fs=/opt/rustwide/target/debug/deps/libassert_fs-f5203ff203dcecdd.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-05dfd5b5d1225bed.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5e8424a0f7103369.rlib --extern chacha20poly1305=/opt/rustwide/target/debug/deps/libchacha20poly1305-bc8fffebd665f9c4.rlib --extern ciborium=/opt/rustwide/target/debug/deps/libciborium-8acfc4bc0a870253.rlib --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-87b49e4e78168aff.so --extern flexi_logger=/opt/rustwide/target/debug/deps/libflexi_logger-2c96ed34fc671a38.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-6ad5d6e36746f921.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-df8306afd9dee15d.rlib --extern indoc=/opt/rustwide/target/debug/deps/libindoc-480b3264ab6cc2da.so --extern log=/opt/rustwide/target/debug/deps/liblog-64532a9222f20bd2.rlib --extern normpath=/opt/rustwide/target/debug/deps/libnormpath-493cda7795062a0e.rlib --extern notify=/opt/rustwide/target/debug/deps/libnotify-08b1d5b91623c899.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-3548c506bfdf571b.rlib --extern portable_pty=/opt/rustwide/target/debug/deps/libportable_pty-0e03cc5fd2018f3f.rlib --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-2ebfae1bb7ae5cdf.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8b4fba53a659176d.rlib --extern rstest=/opt/rustwide/target/debug/deps/librstest-d63938e3fcb738e3.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-2d8d028d677c5eef.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-90ef13a561f26dd6.rlib --extern strum=/opt/rustwide/target/debug/deps/libstrum-502b3714daf8c4ce.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-e4c8bf90ec14778d.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-20d517c0ab7a65d5.rlib --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-85c3caa7668e091f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "54a29416b9aadc673e6cf0ef271483dba12790e926eb2e361372abea6bb56790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a29416b9aadc673e6cf0ef271483dba12790e926eb2e361372abea6bb56790", kill_on_drop: false }`
[INFO] [stdout] 54a29416b9aadc673e6cf0ef271483dba12790e926eb2e361372abea6bb56790