[INFO] fetching crate ibc 0.9.0...
[INFO] checking ibc-0.9.0 against try#ef8c760c4c3d93b561a5b431502e92f4b4773aca for pr-92472
[INFO] extracting crate ibc 0.9.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ibc 0.9.0 on toolchain ef8c760c4c3d93b561a5b431502e92f4b4773aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ibc 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ibc 0.9.0
[INFO] tweaked toml for crates.io crate ibc 0.9.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modelator v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c632cdce8d7772a108a202457b22a0f909d84a92608afd89e2a45c25f8585ad
[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" "4c632cdce8d7772a108a202457b22a0f909d84a92608afd89e2a45c25f8585ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c632cdce8d7772a108a202457b22a0f909d84a92608afd89e2a45c25f8585ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c632cdce8d7772a108a202457b22a0f909d84a92608afd89e2a45c25f8585ad", kill_on_drop: false }`
[INFO] [stdout] 4c632cdce8d7772a108a202457b22a0f909d84a92608afd89e2a45c25f8585ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e73f5f96f85c601c8c8089669aa4305fe79f51a2067cbc3e124201ef339ade
[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" "41e73f5f96f85c601c8c8089669aa4305fe79f51a2067cbc3e124201ef339ade", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking simple-error v0.2.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking eyre v0.6.5
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking flex-error v0.4.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling contracts v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]    Compiling test-log v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]     Checking serde v1.0.132
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling safe-quote v1.0.9
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking headers v0.3.5
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling safe-regex-compiler v0.2.4
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.15.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' -C metadata=d6022e6396785e14 -C extra-filename=-d6022e6396785e14 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-0b6620405fcf1713.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-94a3efca912094c4.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-cd0a84f6034c0f93.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-8594efa240b136df.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-bf1aa751cd764605.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-b1034f76d9613473.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-f32b231ab39495e5.so --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" "41e73f5f96f85c601c8c8089669aa4305fe79f51a2067cbc3e124201ef339ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e73f5f96f85c601c8c8089669aa4305fe79f51a2067cbc3e124201ef339ade", kill_on_drop: false }`
[INFO] [stdout] 41e73f5f96f85c601c8c8089669aa4305fe79f51a2067cbc3e124201ef339ade