[INFO] crate showata 0.2.0 is already in cache
[INFO] testing showata-0.2.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate showata 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate showata 0.2.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate showata 0.2.0
[INFO] finished tweaking crates.io crate showata 0.2.0
[INFO] tweaked toml for crates.io crate showata 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate showata 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] dc7f75d0f329e62b9eff8bc94a4b76dba8dbefdd2a461e9594dbe0a90840c6c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dc7f75d0f329e62b9eff8bc94a4b76dba8dbefdd2a461e9594dbe0a90840c6c0"`
[INFO] [stderr]    Compiling anyhow v1.0.19
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling showata v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "dc7f75d0f329e62b9eff8bc94a4b76dba8dbefdd2a461e9594dbe0a90840c6c0"`
[INFO] running `"docker" "rm" "-f" "dc7f75d0f329e62b9eff8bc94a4b76dba8dbefdd2a461e9594dbe0a90840c6c0"`
[INFO] [stdout] dc7f75d0f329e62b9eff8bc94a4b76dba8dbefdd2a461e9594dbe0a90840c6c0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] 674478f7bb6100d806f0ffa4c70268a0556c93279212a4d587a53b1328b6c075
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "674478f7bb6100d806f0ffa4c70268a0556c93279212a4d587a53b1328b6c075"`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling showata v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `show` found for struct `nalgebra::base::matrix::Matrix<{integer}, nalgebra::base::dimension::U3, nalgebra::base::dimension::U4, nalgebra::base::array_storage::ArrayStorage<{integer}, nalgebra::base::dimension::U3, nalgebra::base::dimension::U4>>` in the current scope
[INFO] [stderr]  --> examples/sample_nalgebra.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |     m.show().unwrap();
[INFO] [stderr]   |       ^^^^ method not found in `nalgebra::base::matrix::Matrix<{integer}, nalgebra::base::dimension::U3, nalgebra::base::dimension::U4, nalgebra::base::array_storage::ArrayStorage<{integer}, nalgebra::base::dimension::U3, nalgebra::base::dimension::U4>>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `showata::Showable`
[INFO] [stderr]  --> examples/sample_nalgebra.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use showata::Showable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `showata`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "674478f7bb6100d806f0ffa4c70268a0556c93279212a4d587a53b1328b6c075"`
[INFO] running `"docker" "rm" "-f" "674478f7bb6100d806f0ffa4c70268a0556c93279212a4d587a53b1328b6c075"`
[INFO] [stdout] 674478f7bb6100d806f0ffa4c70268a0556c93279212a4d587a53b1328b6c075