[INFO] fetching crate mcai 0.1.0...
[INFO] checking mcai-0.1.0 against try#ea2bf32540662c61547071aad6cf0851a0b02f58 for pr-96376
[INFO] extracting crate mcai 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate mcai 0.1.0 on toolchain ea2bf32540662c61547071aad6cf0851a0b02f58
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcai 0.1.0
[INFO] finished tweaking crates.io crate mcai 0.1.0
[INFO] tweaked toml for crates.io crate mcai 0.1.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate mcai 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a6e2bbb22f1b6da20c72466fe60e210972c3782fa816da465914cb74b23d6f7
[INFO] running `Command { std: "docker" "start" "-a" "1a6e2bbb22f1b6da20c72466fe60e210972c3782fa816da465914cb74b23d6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6e2bbb22f1b6da20c72466fe60e210972c3782fa816da465914cb74b23d6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6e2bbb22f1b6da20c72466fe60e210972c3782fa816da465914cb74b23d6f7", kill_on_drop: false }`
[INFO] [stdout] 1a6e2bbb22f1b6da20c72466fe60e210972c3782fa816da465914cb74b23d6f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdc8a621f4ad71a03f943201331d5896d59f8dd3cfc6e5837a5d51ddacf8077d
[INFO] running `Command { std: "docker" "start" "-a" "cdc8a621f4ad71a03f943201331d5896d59f8dd3cfc6e5837a5d51ddacf8077d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking fastrand v1.6.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling isahc v1.6.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking castaway v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr] error: could not compile `bitflags`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitflags-1.2.1/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=e7f4899e62da0372 -C extra-filename=-e7f4899e62da0372 --out-dir /opt/rustwide/target/debug/build/bitflags-e7f4899e62da0372 -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 `httparse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/httparse-1.4.1/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=a60857c7d80f3085 -C extra-filename=-a60857c7d80f3085 --out-dir /opt/rustwide/target/debug/build/httparse-a60857c7d80f3085 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.72/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --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"' --cfg 'feature="visit-mut"' -C metadata=b63204069afc72b2 -C extra-filename=-b63204069afc72b2 --out-dir /opt/rustwide/target/debug/build/syn-b63204069afc72b2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.112/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=417c9c69427fd508 -C extra-filename=-417c9c69427fd508 --out-dir /opt/rustwide/target/debug/build/libc-417c9c69427fd508 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `isahc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/isahc-1.6.0/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="encoding_rs"' --cfg 'feature="http2"' --cfg 'feature="mime"' --cfg 'feature="static-curl"' --cfg 'feature="text-decoding"' -C metadata=178239995d94f6ab -C extra-filename=-178239995d94f6ab --out-dir /opt/rustwide/target/debug/build/isahc-178239995d94f6ab -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=041a93c2934302c6 -C extra-filename=-041a93c2934302c6 --out-dir /opt/rustwide/target/debug/build/serde_json-041a93c2934302c6 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `crunchy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crunchy-0.2.2/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="limit_128"' -C metadata=eeed1e73e4ce475a -C extra-filename=-eeed1e73e4ce475a --out-dir /opt/rustwide/target/debug/build/crunchy-eeed1e73e4ce475a -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.13.0/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="std"' -C metadata=fc54b7dac8c37ff8 -C extra-filename=-fc54b7dac8c37ff8 --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" "cdc8a621f4ad71a03f943201331d5896d59f8dd3cfc6e5837a5d51ddacf8077d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc8a621f4ad71a03f943201331d5896d59f8dd3cfc6e5837a5d51ddacf8077d", kill_on_drop: false }`
[INFO] [stdout] cdc8a621f4ad71a03f943201331d5896d59f8dd3cfc6e5837a5d51ddacf8077d