[INFO] fetching crate showata 0.3.2...
[INFO] checking showata-0.3.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate showata 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate showata 0.3.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate showata 0.3.2
[INFO] finished tweaking crates.io crate showata 0.3.2
[INFO] tweaked toml for crates.io crate showata 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate showata 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aca55dceebee2e34c8d5a6886a51994b39fc7584c8bed9c790fb9e4ee00a86f
[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" "4aca55dceebee2e34c8d5a6886a51994b39fc7584c8bed9c790fb9e4ee00a86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aca55dceebee2e34c8d5a6886a51994b39fc7584c8bed9c790fb9e4ee00a86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aca55dceebee2e34c8d5a6886a51994b39fc7584c8bed9c790fb9e4ee00a86f", kill_on_drop: false }`
[INFO] [stdout] 4aca55dceebee2e34c8d5a6886a51994b39fc7584c8bed9c790fb9e4ee00a86f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc239d7f09e07cc28a106da8a322f362db6170cd98c1fcce2b42aca8aef0c99
[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" "efc239d7f09e07cc28a106da8a322f362db6170cd98c1fcce2b42aca8aef0c99", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking matrixmultiply v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking showata v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking nalgebra v0.25.3
[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" "efc239d7f09e07cc28a106da8a322f362db6170cd98c1fcce2b42aca8aef0c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc239d7f09e07cc28a106da8a322f362db6170cd98c1fcce2b42aca8aef0c99", kill_on_drop: false }`
[INFO] [stdout] efc239d7f09e07cc28a106da8a322f362db6170cd98c1fcce2b42aca8aef0c99