[INFO] fetching crate showata 0.2.0...
[INFO] checking showata-0.2.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[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 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded gif v0.10.2
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded mime v0.3.14
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded rayon v1.0.3
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded anyhow v1.0.19
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded wasi v0.7.0
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded nalgebra v0.19.0
[INFO] [stderr]   Downloaded num_cpus v1.10.0
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded libm v0.1.3
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded opener v0.4.1
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded syn v0.15.35
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded alga v0.9.2
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d187e513624514a56ddfe7a23a95538e86163c58ff170e56d76573a058da1a3
[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" "4d187e513624514a56ddfe7a23a95538e86163c58ff170e56d76573a058da1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d187e513624514a56ddfe7a23a95538e86163c58ff170e56d76573a058da1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d187e513624514a56ddfe7a23a95538e86163c58ff170e56d76573a058da1a3", kill_on_drop: false }`
[INFO] [stdout] 4d187e513624514a56ddfe7a23a95538e86163c58ff170e56d76573a058da1a3
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--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] e76983748d85134ff854528453247652a89138dd70cbec3db8a096593d4a5cd2
[INFO] running `Command { std: "docker" "start" "-a" "e76983748d85134ff854528453247652a89138dd70cbec3db8a096593d4a5cd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.19
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking showata v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking nalgebra v0.19.0
[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] running `Command { std: "docker" "inspect" "e76983748d85134ff854528453247652a89138dd70cbec3db8a096593d4a5cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76983748d85134ff854528453247652a89138dd70cbec3db8a096593d4a5cd2", kill_on_drop: false }`
[INFO] [stdout] e76983748d85134ff854528453247652a89138dd70cbec3db8a096593d4a5cd2