[INFO] cloning repository https://github.com/opentoucan/freebird
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/opentoucan/freebird" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopentoucan%2Ffreebird", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopentoucan%2Ffreebird'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d30fece19987356046346830840bb89b74d56592
[INFO] checking opentoucan/freebird against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopentoucan%2Ffreebird" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/opentoucan/freebird
[INFO] finished tweaking git repo https://github.com/opentoucan/freebird
[INFO] tweaked toml for git repo https://github.com/opentoucan/freebird written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/opentoucan/freebird on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/opentoucan/freebird 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7543fe6188b1bd80c95ba9e5316121d3ebbc683367ff08b9d71ff026ac323bad
[INFO] running `Command { std: "docker" "start" "-a" "7543fe6188b1bd80c95ba9e5316121d3ebbc683367ff08b9d71ff026ac323bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7543fe6188b1bd80c95ba9e5316121d3ebbc683367ff08b9d71ff026ac323bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7543fe6188b1bd80c95ba9e5316121d3ebbc683367ff08b9d71ff026ac323bad", kill_on_drop: false }`
[INFO] [stdout] 7543fe6188b1bd80c95ba9e5316121d3ebbc683367ff08b9d71ff026ac323bad
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2508f5d49073a232f73381f28ecdaba7dfb2b7e4f604751db26cfc421050f19e
[INFO] running `Command { std: "docker" "start" "-a" "2508f5d49073a232f73381f28ecdaba7dfb2b7e4f604751db26cfc421050f19e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling cc v1.2.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking webpki-roots v0.26.7
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling serenity v0.12.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking no-std-compat v0.2.0
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking stable-vec v0.4.1
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking pnet_base v0.34.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling async-trait v0.1.84
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking extended v0.1.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling audiopus_sys v0.2.2
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking patricia_tree v0.8.0
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling songbird v0.4.6
[INFO] [stderr]     Checking winnow v0.6.22
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking crypto_secretbox v0.1.1
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[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/943e2200e35c3825486c4671b6cab0107a07f8c1/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=b41a960e425cc62c -C extra-filename=-2c304e74c41acbdb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-edc2ca4ef472bb31.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.rmeta --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 `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/943e2200e35c3825486c4671b6cab0107a07f8c1/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/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 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=ca422f8b34f05549 -C extra-filename=-c7c2e90ade388e64 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-7306232710002122.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-756e876442dee363.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-4ce1f16fa47c1e40.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-c30be4ab8f319667.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-e7bd2ffb932e7c3a.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-011073701ea3a715.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-a8313380c25031b5.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-61fd4e4df647da40.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-db1de871cd8706a6.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-cd799c57c745c756.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2508f5d49073a232f73381f28ecdaba7dfb2b7e4f604751db26cfc421050f19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2508f5d49073a232f73381f28ecdaba7dfb2b7e4f604751db26cfc421050f19e", kill_on_drop: false }`
[INFO] [stdout] 2508f5d49073a232f73381f28ecdaba7dfb2b7e4f604751db26cfc421050f19e