[INFO] fetching crate showata 0.2.0...
[INFO] testing showata-0.2.0 against beta-2021-01-01 for beta-1.50-1
[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-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libm v0.1.3
[INFO] [stderr]   Downloaded syn v0.15.35
[INFO] [stderr]   Downloaded alga v0.9.2
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3b3e405574a7634fa460c93455466396c5bf6a640b0952ae23cbd1a19a5c74a
[INFO] running `Command { std: "docker" "start" "-a" "d3b3e405574a7634fa460c93455466396c5bf6a640b0952ae23cbd1a19a5c74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b3e405574a7634fa460c93455466396c5bf6a640b0952ae23cbd1a19a5c74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b3e405574a7634fa460c93455466396c5bf6a640b0952ae23cbd1a19a5c74a", kill_on_drop: false }`
[INFO] [stdout] d3b3e405574a7634fa460c93455466396c5bf6a640b0952ae23cbd1a19a5c74a
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e429555c3aadb0f57200b7ebdb1d42dc596b92b7a2caf98cf71881f146ab2e6
[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" "0e429555c3aadb0f57200b7ebdb1d42dc596b92b7a2caf98cf71881f146ab2e6", kill_on_drop: false }`
[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 3.43s
[INFO] running `Command { std: "docker" "inspect" "0e429555c3aadb0f57200b7ebdb1d42dc596b92b7a2caf98cf71881f146ab2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e429555c3aadb0f57200b7ebdb1d42dc596b92b7a2caf98cf71881f146ab2e6", kill_on_drop: false }`
[INFO] [stdout] 0e429555c3aadb0f57200b7ebdb1d42dc596b92b7a2caf98cf71881f146ab2e6
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c714e8815f8479b3c3d9f9f4e0b697bf2742d058b601822a72f2314f3dc93b90
[INFO] running `Command { std: "docker" "start" "-a" "c714e8815f8479b3c3d9f9f4e0b697bf2742d058b601822a72f2314f3dc93b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[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 num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[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] [stdout] error[E0599]: no method named `show` found for struct `Matrix<{integer}, U3, U4, ArrayStorage<{integer}, U3, U4>>` in the current scope
[INFO] [stdout]  --> examples/sample_nalgebra.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     m.show().unwrap();
[INFO] [stdout]   |       ^^^^ method not found in `Matrix<{integer}, U3, U4, ArrayStorage<{integer}, U3, U4>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `showata::Showable`
[INFO] [stdout]  --> examples/sample_nalgebra.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use showata::Showable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "c714e8815f8479b3c3d9f9f4e0b697bf2742d058b601822a72f2314f3dc93b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c714e8815f8479b3c3d9f9f4e0b697bf2742d058b601822a72f2314f3dc93b90", kill_on_drop: false }`
[INFO] [stdout] c714e8815f8479b3c3d9f9f4e0b697bf2742d058b601822a72f2314f3dc93b90