[INFO] fetching crate sn_api 0.50.6...
[INFO] checking sn_api-0.50.6 against master#89b9f7b284aacc5f8613438b80e4dd7bdd10549e for pr-92594
[INFO] extracting crate sn_api 0.50.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sn_api 0.50.6 on toolchain 89b9f7b284aacc5f8613438b80e4dd7bdd10549e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sn_api 0.50.6
[INFO] finished tweaking crates.io crate sn_api 0.50.6
[INFO] tweaked toml for crates.io crate sn_api 0.50.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate sn_api 0.50.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce082ce0379c53b95a9d4d4ea0d6bc3a510137dae505e48bc41bfbff92909b58
[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" "ce082ce0379c53b95a9d4d4ea0d6bc3a510137dae505e48bc41bfbff92909b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce082ce0379c53b95a9d4d4ea0d6bc3a510137dae505e48bc41bfbff92909b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce082ce0379c53b95a9d4d4ea0d6bc3a510137dae505e48bc41bfbff92909b58", kill_on_drop: false }`
[INFO] [stdout] ce082ce0379c53b95a9d4d4ea0d6bc3a510137dae505e48bc41bfbff92909b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39dd49b556adab79f3246323ef9995b423fcfa434f8c92f3a805471cd4c58eaa
[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" "39dd49b556adab79f3246323ef9995b423fcfa434f8c92f3a805471cd4c58eaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling futures-task v0.3.19
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[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking pin-utils v0.1.0
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
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[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
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[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking indenter v0.3.3
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[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling self_update v0.26.0
[INFO] [stderr]    Compiling sysinfo v0.19.2
[INFO] [stderr]     Checking arrayvec v0.7.2
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling num-bigint v0.2.6
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[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking rustls-pemfile v0.2.1
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[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling blst v0.3.6
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking uluru v3.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.1.16
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[INFO] [stderr]     Checking filetime v0.2.15
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[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking wait-timeout v0.2.0
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[INFO] [stderr]     Checking futures-channel v0.3.19
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.2
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[INFO] [stderr]     Checking clap v2.33.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking cipher v0.3.0
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[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
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[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking block-modes v0.8.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.7.5
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking grep-searcher v0.1.8
[INFO] [stderr]     Checking grep-regex v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking grep-cli v0.1.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking resource_proof v0.8.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking yasna v0.4.0
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking rcgen v0.8.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling ff_derive v0.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling custom_debug_derive v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr] error: could not compile `tracing-attributes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=5c84e2ca77b89e67 -C extra-filename=-5c84e2ca77b89e67 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d937f1f82ffb437d.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-67e27136f08bcb92.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e7f320076a693462.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "39dd49b556adab79f3246323ef9995b423fcfa434f8c92f3a805471cd4c58eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39dd49b556adab79f3246323ef9995b423fcfa434f8c92f3a805471cd4c58eaa", kill_on_drop: false }`
[INFO] [stdout] 39dd49b556adab79f3246323ef9995b423fcfa434f8c92f3a805471cd4c58eaa