[INFO] cloning repository https://github.com/librewiki/librebbs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/librewiki/librebbs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibrewiki%2Flibrebbs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibrewiki%2Flibrebbs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de13a15ae1257bcd964ce9bf7b7ac990889dc89a
[INFO] testing librewiki/librebbs against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibrewiki%2Flibrebbs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/librewiki/librebbs
[INFO] finished tweaking git repo https://github.com/librewiki/librebbs
[INFO] tweaked toml for git repo https://github.com/librewiki/librebbs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/librewiki/librebbs on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/librewiki/librebbs 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da00982fbc8b1ebd66cf9eb461c933be2a59708d54765a726b0f07946556ec70
[INFO] running `Command { std: "docker" "start" "-a" "da00982fbc8b1ebd66cf9eb461c933be2a59708d54765a726b0f07946556ec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da00982fbc8b1ebd66cf9eb461c933be2a59708d54765a726b0f07946556ec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da00982fbc8b1ebd66cf9eb461c933be2a59708d54765a726b0f07946556ec70", kill_on_drop: false }`
[INFO] [stdout] da00982fbc8b1ebd66cf9eb461c933be2a59708d54765a726b0f07946556ec70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 058ef0dbf9b0d8fffcd6a272a70597caff63e69cc38bf78610932bb5c44638c6
[INFO] running `Command { std: "docker" "start" "-a" "058ef0dbf9b0d8fffcd6a272a70597caff63e69cc38bf78610932bb5c44638c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling sentry-contexts v0.23.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rusoto_core v0.43.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling validator_types v0.12.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr] error: could not compile `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.8.1/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="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="parking_lot"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="winapi"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-util", "libc", "macros", "memchr", "mio", "net", "num_cpus", "once_cell", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "sync", "test-util", "time", "tokio-macros", "tracing", "winapi"))' -C metadata=717a18cc7853d8d5 -C extra-filename=-f6681b3d1a8e6b54 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ab646a10f24e3514.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-eb68c49dc3f865c9.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-640468a5581b50cd.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-3d4b2eeb3639f1b1.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-d762ad904daa9381.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-393e0c85e5700eab.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-ca65ec8d0bc6fa97.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-b9d9bbd1177153f0.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-82ebae5ef01e1ea1.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3 --cfg tokio_track_caller` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.73/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=3ce0416e30360934 -C extra-filename=-99b65c9299fbc1d7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-79e9deec31403885.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1a38432a07cec1ea.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a32064690f9f2671.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "058ef0dbf9b0d8fffcd6a272a70597caff63e69cc38bf78610932bb5c44638c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058ef0dbf9b0d8fffcd6a272a70597caff63e69cc38bf78610932bb5c44638c6", kill_on_drop: false }`
[INFO] [stdout] 058ef0dbf9b0d8fffcd6a272a70597caff63e69cc38bf78610932bb5c44638c6