[INFO] updating cached repository ashfordneil/looker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashfordneil/looker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac0ea2a5732e4c85092f1306650f517a38a32a67
[INFO] sha for GitHub repo ashfordneil/looker: ac0ea2a5732e4c85092f1306650f517a38a32a67
[INFO] validating manifest of ashfordneil/looker on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashfordneil/looker on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/ashfordneil/looker/Cargo.toml
[INFO] started frobbing ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ashfordneil/looker/Cargo.toml
[INFO] crate ashfordneil/looker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashfordneil/looker against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/ashfordneil/looker:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cf156aa7bc9bf061447c2e6f3a67f4d044891ff7c0efcb5b5e60fefe2f31627b
[INFO] running `"docker" "start" "-a" "cf156aa7bc9bf061447c2e6f3a67f4d044891ff7c0efcb5b5e60fefe2f31627b"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking census v0.2.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crossterm_utils v0.2.1
[INFO] [stderr]     Checking fst v0.3.3
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking bitpacking v0.6.0
[INFO] [stderr]     Checking crossterm_screen v0.2.1
[INFO] [stderr]     Checking crossterm_cursor v0.2.1
[INFO] [stderr]     Checking crossterm_style v0.3.1
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking fail v0.2.1
[INFO] [stderr]     Checking atomicwrites v0.2.2
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking crossterm_input v0.3.1
[INFO] [stderr]     Checking crossterm_terminal v0.2.1
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking crossterm v0.9.1
[INFO] [stderr]     Checking tantivy-fst v0.1.0
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.serde_derive.ayr1iu7d-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/libserde_derive-26fd4a5ab1d81cc4.so" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.3wh0z2ldujbpmxl4.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-26fd4a5ab1d81cc4.3cubto99ejy8xovx.rcgu.o" "-Wl,--gc-sections" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsyn-4fbb35e6bce8ef36.rlib" "/opt/crater/target/debug/deps/libquote-fce16d2a3843cba5.rlib" "/opt/crater/target/debug/deps/libproc_macro2-c88a66854a7d988c.rlib" "/opt/crater/target/debug/deps/libunicode_xid-c85dadb78417cef8.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-758a538390d41339.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-bf4d99bd2c2f3115.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-607f8564a99007e7.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-c7adecf178e0e72c.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-feeb35ebe4d8fc67.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a5453c4f7db9e469.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8b41bab6e33b6b1b.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-4594d7d558941847.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-3e7591ab45e7162e.rlib" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-fc6982ee81637833.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ada5d1c46953b17a.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bitpacking`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitpacking /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitpacking-0.6.0/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=25ba6f186f8d293c -C extra-filename=-25ba6f186f8d293c --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern crunchy=/opt/crater/target/debug/deps/libcrunchy-dde555aa7d05b114.rmeta --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 `serde_derive`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cf156aa7bc9bf061447c2e6f3a67f4d044891ff7c0efcb5b5e60fefe2f31627b"`
[INFO] running `"docker" "rm" "-f" "cf156aa7bc9bf061447c2e6f3a67f4d044891ff7c0efcb5b5e60fefe2f31627b"`
[INFO] [stdout] cf156aa7bc9bf061447c2e6f3a67f4d044891ff7c0efcb5b5e60fefe2f31627b