[INFO] cloning repository https://github.com/nikhiljha/blockcampus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhiljha/blockcampus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhiljha%2Fblockcampus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhiljha%2Fblockcampus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 034de8d513faa09d148e80e3c02adb95c507057c
[INFO] checking nikhiljha/blockcampus against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhiljha%2Fblockcampus" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikhiljha/blockcampus on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikhiljha/blockcampus
[INFO] finished tweaking git repo https://github.com/nikhiljha/blockcampus
[INFO] tweaked toml for git repo https://github.com/nikhiljha/blockcampus written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/nikhiljha/blockcampus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3927dc954cc4691766c4212192469fd798924cbf3bae01546a554ccd8621ed92
[INFO] running `Command { std: "docker" "start" "-a" "3927dc954cc4691766c4212192469fd798924cbf3bae01546a554ccd8621ed92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3927dc954cc4691766c4212192469fd798924cbf3bae01546a554ccd8621ed92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3927dc954cc4691766c4212192469fd798924cbf3bae01546a554ccd8621ed92", kill_on_drop: false }`
[INFO] [stdout] 3927dc954cc4691766c4212192469fd798924cbf3bae01546a554ccd8621ed92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6da9d0ddbd15467728a4e8b7bc6349ad7c4b825d98a1819ca9a92b7ad9c3ac6
[INFO] running `Command { std: "docker" "start" "-a" "d6da9d0ddbd15467728a4e8b7bc6349ad7c4b825d98a1819ca9a92b7ad9c3ac6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking pin-project-lite v0.1.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling v_escape v0.13.1
[INFO] [stderr]    Compiling v_htmlescape v0.10.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.60/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b6a072a0d01941e3 -C extra-filename=-b6a072a0d01941e3 --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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d6da9d0ddbd15467728a4e8b7bc6349ad7c4b825d98a1819ca9a92b7ad9c3ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6da9d0ddbd15467728a4e8b7bc6349ad7c4b825d98a1819ca9a92b7ad9c3ac6", kill_on_drop: false }`
[INFO] [stdout] d6da9d0ddbd15467728a4e8b7bc6349ad7c4b825d98a1819ca9a92b7ad9c3ac6