[INFO] fetching crate mdn 0.1.3...
[INFO] checking mdn-0.1.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mdn 0.1.3 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate mdn 0.1.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdn 0.1.3
[INFO] finished tweaking crates.io crate mdn 0.1.3
[INFO] tweaked toml for crates.io crate mdn 0.1.3 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate mdn 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27dd3b8f17da3009daea6110a78b471a07d21d098469bbda5612579abea018ba
[INFO] running `Command { std: "docker" "start" "-a" "27dd3b8f17da3009daea6110a78b471a07d21d098469bbda5612579abea018ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27dd3b8f17da3009daea6110a78b471a07d21d098469bbda5612579abea018ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27dd3b8f17da3009daea6110a78b471a07d21d098469bbda5612579abea018ba", kill_on_drop: false }`
[INFO] [stdout] 27dd3b8f17da3009daea6110a78b471a07d21d098469bbda5612579abea018ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bff0a17860232c83dffbada50ac5696f34a8a9b0d26e7f7654e8194d1641f7ab
[INFO] running `Command { std: "docker" "start" "-a" "bff0a17860232c83dffbada50ac5696f34a8a9b0d26e7f7654e8194d1641f7ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling http-types v2.5.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]    Compiling isahc v0.9.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr] error: could not compile `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name libc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.79/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=549994e888c5650c -C extra-filename=-549994e888c5650c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg freebsd11 --cfg libc_priv_mod_use --cfg libc_union --cfg libc_const_size_of --cfg libc_align --cfg libc_core_cvoid --cfg libc_packedN --cfg libc_cfg_target_vendor` (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" "bff0a17860232c83dffbada50ac5696f34a8a9b0d26e7f7654e8194d1641f7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff0a17860232c83dffbada50ac5696f34a8a9b0d26e7f7654e8194d1641f7ab", kill_on_drop: false }`
[INFO] [stdout] bff0a17860232c83dffbada50ac5696f34a8a9b0d26e7f7654e8194d1641f7ab