[INFO] fetching crate matfile 0.3.1...
[INFO] testing matfile-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate matfile 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate matfile 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matfile 0.3.1
[INFO] finished tweaking crates.io crate matfile 0.3.1
[INFO] tweaked toml for crates.io crate matfile 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate matfile 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.1
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded libflate v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba6b4f05d757f2aa9e21180a968cd2274989c2e38549a7f2c1582255a6b90c56
[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" "ba6b4f05d757f2aa9e21180a968cd2274989c2e38549a7f2c1582255a6b90c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6b4f05d757f2aa9e21180a968cd2274989c2e38549a7f2c1582255a6b90c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6b4f05d757f2aa9e21180a968cd2274989c2e38549a7f2c1582255a6b90c56", kill_on_drop: false }`
[INFO] [stdout] ba6b4f05d757f2aa9e21180a968cd2274989c2e38549a7f2c1582255a6b90c56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3894493c8c94ca2135d141f7e0996f73265d323f5204cb0e99eb7793039b20a
[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" "d3894493c8c94ca2135d141f7e0996f73265d323f5204cb0e99eb7793039b20a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling libflate v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.1
[INFO] [stderr]    Compiling matfile v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.29s
[INFO] running `Command { std: "docker" "inspect" "d3894493c8c94ca2135d141f7e0996f73265d323f5204cb0e99eb7793039b20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3894493c8c94ca2135d141f7e0996f73265d323f5204cb0e99eb7793039b20a", kill_on_drop: false }`
[INFO] [stdout] d3894493c8c94ca2135d141f7e0996f73265d323f5204cb0e99eb7793039b20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e435885fd866d734728bc603e5aeb2c27b8f1d596fa63f042446e26923bd13
[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" "27e435885fd866d734728bc603e5aeb2c27b8f1d596fa63f042446e26923bd13", kill_on_drop: false }`
[INFO] [stderr]    Compiling matfile v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../tests/sparse1.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |         let data = include_bytes!("../tests/sparse1.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/sparse2.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:744:20
[INFO] [stdout]     |
[INFO] [stdout] 744 |         let data = include_bytes!("../tests/sparse2.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/double.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:537:20
[INFO] [stdout]     |
[INFO] [stdout] 537 |         let data = include_bytes!("../tests/double.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/double_as_int16.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:543:20
[INFO] [stdout]     |
[INFO] [stdout] 543 |         let data = include_bytes!("../tests/double_as_int16.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/double_as_uint8.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:549:20
[INFO] [stdout]     |
[INFO] [stdout] 549 |         let data = include_bytes!("../tests/double_as_uint8.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/single_complex.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:555:20
[INFO] [stdout]     |
[INFO] [stdout] 555 |         let data = include_bytes!("../tests/single_complex.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/two_arrays.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:561:20
[INFO] [stdout]     |
[INFO] [stdout] 561 |         let data = include_bytes!("../tests/two_arrays.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/multidimensional.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:567:20
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let data = include_bytes!("../tests/multidimensional.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/../tests/long_name.mat: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:573:20
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let data = include_bytes!("../tests/long_name.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matfile` due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "27e435885fd866d734728bc603e5aeb2c27b8f1d596fa63f042446e26923bd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e435885fd866d734728bc603e5aeb2c27b8f1d596fa63f042446e26923bd13", kill_on_drop: false }`
[INFO] [stdout] 27e435885fd866d734728bc603e5aeb2c27b8f1d596fa63f042446e26923bd13