[INFO] fetching crate forest_runtime 0.2.2...
[INFO] checking forest_runtime-0.2.2 against try#751cdbaf3a893bc71b2c617bb7be22dfea5f0862 for pr-95611
[INFO] extracting crate forest_runtime 0.2.2 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate forest_runtime 0.2.2 on toolchain 751cdbaf3a893bc71b2c617bb7be22dfea5f0862
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forest_runtime 0.2.2
[INFO] finished tweaking crates.io crate forest_runtime 0.2.2
[INFO] tweaked toml for crates.io crate forest_runtime 0.2.2 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "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" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42ed6da3b893a4554a1771953ba04ac503b9e54886e9541ea959e31ef67d5619
[INFO] running `Command { std: "docker" "start" "-a" "42ed6da3b893a4554a1771953ba04ac503b9e54886e9541ea959e31ef67d5619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ed6da3b893a4554a1771953ba04ac503b9e54886e9541ea959e31ef67d5619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ed6da3b893a4554a1771953ba04ac503b9e54886e9541ea959e31ef67d5619", kill_on_drop: false }`
[INFO] [stdout] 42ed6da3b893a4554a1771953ba04ac503b9e54886e9541ea959e31ef67d5619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d188a6e2212d70cadc96ffeb961cd7937c722fedb8b26285cf9e26791659926
[INFO] running `Command { std: "docker" "start" "-a" "0d188a6e2212d70cadc96ffeb961cd7937c722fedb8b26285cf9e26791659926", 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]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking integer-encoding v2.1.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking byte-slice-cast v1.2.1
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling blst v0.3.3
[INFO] [stderr]    Compiling fff v0.3.1
[INFO] [stderr]    Compiling sha2-asm v0.6.2
[INFO] [stderr]    Compiling fff v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking positioned-io v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking mapr v0.8.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking fdlimit v0.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.136/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=032f37fc0c4d866a -C extra-filename=-032f37fc0c4d866a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0d188a6e2212d70cadc96ffeb961cd7937c722fedb8b26285cf9e26791659926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d188a6e2212d70cadc96ffeb961cd7937c722fedb8b26285cf9e26791659926", kill_on_drop: false }`
[INFO] [stdout] 0d188a6e2212d70cadc96ffeb961cd7937c722fedb8b26285cf9e26791659926