[INFO] cloning repository https://github.com/AndersenTobias/lowfive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndersenTobias/lowfive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersenTobias%2Flowfive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersenTobias%2Flowfive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfc6bf629645baa473a8dbc38ffc4cc95841c28b
[INFO] testing AndersenTobias/lowfive against master#d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d for pr-83796
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndersenTobias%2Flowfive" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndersenTobias/lowfive on toolchain d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndersenTobias/lowfive
[INFO] finished tweaking git repo https://github.com/AndersenTobias/lowfive
[INFO] tweaked toml for git repo https://github.com/AndersenTobias/lowfive written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/AndersenTobias/lowfive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7af4de53736d1adee047a7a5fa6aeabe3d8dec5e6d2fa037fa37eaa35708c2fa
[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" "7af4de53736d1adee047a7a5fa6aeabe3d8dec5e6d2fa037fa37eaa35708c2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af4de53736d1adee047a7a5fa6aeabe3d8dec5e6d2fa037fa37eaa35708c2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af4de53736d1adee047a7a5fa6aeabe3d8dec5e6d2fa037fa37eaa35708c2fa", kill_on_drop: false }`
[INFO] [stdout] 7af4de53736d1adee047a7a5fa6aeabe3d8dec5e6d2fa037fa37eaa35708c2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d32fb9041abb34a7c0adb34d7b8d64ce0be7d7345243799d6ecd97ef872aaf4f
[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" "d32fb9041abb34a7c0adb34d7b8d64ce0be7d7345243799d6ecd97ef872aaf4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling simple-hdf5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> src/lowfive/dataset.rs:90:67
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if let messages::Storage::Chunked(num_dims, btree_offset, shape) = self.layout().unwrap() {
[INFO] [stdout]    |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_type`
[INFO] [stdout]  --> src/lowfive/objects.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     node_type: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_level`
[INFO] [stdout]  --> src/lowfive/objects.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     node_level: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `left_sibling`
[INFO] [stdout]  --> src/lowfive/objects.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     left_sibling: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right_sibling`
[INFO] [stdout]  --> src/lowfive/objects.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     right_sibling: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entries_used`
[INFO] [stdout]   --> src/lowfive/objects.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     entries_used: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keys`
[INFO] [stdout]   --> src/lowfive/objects.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     keys: Vec<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.simple_hdf5.2c5tjonx-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libsimple_hdf5.so" "-Wl,--version-script=/tmp/rustcYqPMMV/list" "/opt/rustwide/target/debug/deps/simple_hdf5.5p0bie7md5ocbic.rcgu.o" "/opt/rustwide/target/debug/deps/simple_hdf5.1qype5by2gmg0cby.rcgu.o" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lblosc_filter" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libbyteorder-ca5b42b518844731.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/liblibc-f49a4927ca6f156a.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libstd-c6dddd3d354e6bea.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libpanic_unwind-c2ca47afdcc5e309.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libminiz_oxide-b47be2942017e108.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libadler-20a1e49116ab0df9.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libobject-25e09d9868291683.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libaddr2line-9c99fb6e5ca5159e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libgimli-85040d7563599960.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libstd_detect-0e4f7587da8acf20.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/librustc_demangle-7be0a6711ed15b5c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libhashbrown-00672fabc4ff9c9d.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/librustc_std_workspace_alloc-72fe231ef0473d15.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libunwind-019d54ecc304b655.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libcfg_if-cc7d9343e4f608be.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/liblibc-e41c6d24baeb2249.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/liballoc-9849bb0fbad7f0f5.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/librustc_std_workspace_core-a1fd7734706d5518.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcYqPMMV/libcore-c8ded1707ad10767.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustcYqPMMV/libcompiler_builtins-8b33f9cbbc9652fe.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lblosc_filter
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-hdf5`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d32fb9041abb34a7c0adb34d7b8d64ce0be7d7345243799d6ecd97ef872aaf4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32fb9041abb34a7c0adb34d7b8d64ce0be7d7345243799d6ecd97ef872aaf4f", kill_on_drop: false }`
[INFO] [stdout] d32fb9041abb34a7c0adb34d7b8d64ce0be7d7345243799d6ecd97ef872aaf4f