[INFO] crate showata 0.2.0 is already in cache
[INFO] testing showata-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate showata 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate showata 0.2.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-12/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5b5ccb1654e466b993df50ee33ba7df2b61bf05f0a547fff0509e5b27d2cdda
[INFO] running `"docker" "start" "-a" "f5b5ccb1654e466b993df50ee33ba7df2b61bf05f0a547fff0509e5b27d2cdda"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling anyhow v1.0.19
[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 2.13s
[INFO] running `"docker" "inspect" "f5b5ccb1654e466b993df50ee33ba7df2b61bf05f0a547fff0509e5b27d2cdda"`
[INFO] running `"docker" "rm" "-f" "f5b5ccb1654e466b993df50ee33ba7df2b61bf05f0a547fff0509e5b27d2cdda"`
[INFO] [stdout] f5b5ccb1654e466b993df50ee33ba7df2b61bf05f0a547fff0509e5b27d2cdda
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7b176bc255ccaa5fbe9bb70b36b420896bf22982650eb90e3cd0f54af8d562c2
[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" "7b176bc255ccaa5fbe9bb70b36b420896bf22982650eb90e3cd0f54af8d562c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[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 typenum v1.11.2
[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 generic-array v0.13.2
[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 approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[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" "7b176bc255ccaa5fbe9bb70b36b420896bf22982650eb90e3cd0f54af8d562c2"`
[INFO] running `"docker" "rm" "-f" "7b176bc255ccaa5fbe9bb70b36b420896bf22982650eb90e3cd0f54af8d562c2"`
[INFO] [stdout] 7b176bc255ccaa5fbe9bb70b36b420896bf22982650eb90e3cd0f54af8d562c2