[INFO] fetching crate showata 0.2.0...
[INFO] checking showata-0.2.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate showata 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate showata 0.2.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-3/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd42a2d58c37315cd4479090bc12c2a07398df2e773dcd1868b813d7e6ab6505
[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" "bd42a2d58c37315cd4479090bc12c2a07398df2e773dcd1868b813d7e6ab6505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd42a2d58c37315cd4479090bc12c2a07398df2e773dcd1868b813d7e6ab6505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd42a2d58c37315cd4479090bc12c2a07398df2e773dcd1868b813d7e6ab6505", kill_on_drop: false }`
[INFO] [stdout] bd42a2d58c37315cd4479090bc12c2a07398df2e773dcd1868b813d7e6ab6505
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 348ace382eab3b1cdacf44a2e8eb4227810d9bfb4f9993d93077db3eedf2faeb
[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" "348ace382eab3b1cdacf44a2e8eb4227810d9bfb4f9993d93077db3eedf2faeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking showata v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stdout] error[E0599]: no method named `show` found for struct `nalgebra::Matrix<{integer}, nalgebra::U3, nalgebra::U4, nalgebra::ArrayStorage<{integer}, nalgebra::U3, nalgebra::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 `nalgebra::Matrix<{integer}, nalgebra::U3, nalgebra::U4, nalgebra::ArrayStorage<{integer}, nalgebra::U3, nalgebra::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" "348ace382eab3b1cdacf44a2e8eb4227810d9bfb4f9993d93077db3eedf2faeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348ace382eab3b1cdacf44a2e8eb4227810d9bfb4f9993d93077db3eedf2faeb", kill_on_drop: false }`
[INFO] [stdout] 348ace382eab3b1cdacf44a2e8eb4227810d9bfb4f9993d93077db3eedf2faeb