[INFO] cloning repository https://github.com/tomkimsour/vslam_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomkimsour/vslam_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomkimsour%2Fvslam_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomkimsour%2Fvslam_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 952c25b82af3f245b06f21a1f80f8021dfa83a4f
[INFO] checking tomkimsour/vslam_tutorial against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomkimsour%2Fvslam_tutorial" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomkimsour/vslam_tutorial on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomkimsour/vslam_tutorial
[INFO] finished tweaking git repo https://github.com/tomkimsour/vslam_tutorial
[INFO] tweaked toml for git repo https://github.com/tomkimsour/vslam_tutorial written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tomkimsour/vslam_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking tomkimsour/vslam_tutorial against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomkimsour%2Fvslam_tutorial" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomkimsour/vslam_tutorial on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomkimsour/vslam_tutorial
[INFO] finished tweaking git repo https://github.com/tomkimsour/vslam_tutorial
[INFO] tweaked toml for git repo https://github.com/tomkimsour/vslam_tutorial written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tomkimsour/vslam_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 614ce0310388c2fea616c223e66e3e4204854fdb772024f64053e39877c36bac
[INFO] running `Command { std: "docker" "start" "-a" "614ce0310388c2fea616c223e66e3e4204854fdb772024f64053e39877c36bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "614ce0310388c2fea616c223e66e3e4204854fdb772024f64053e39877c36bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614ce0310388c2fea616c223e66e3e4204854fdb772024f64053e39877c36bac", kill_on_drop: false }`
[INFO] [stdout] 614ce0310388c2fea616c223e66e3e4204854fdb772024f64053e39877c36bac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f40a62cb8cf0320c39597ef7566b1369c553639752d9bd3191336fa3e9ee94a9
[INFO] running `Command { std: "docker" "start" "-a" "f40a62cb8cf0320c39597ef7566b1369c553639752d9bd3191336fa3e9ee94a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.7.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.31.1
[INFO] [stderr]     Checking vslam_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration`, `thread::sleep`
[INFO] [stdout]  --> src/ch3/nalgebra_matrix.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{time::{Instant, Duration}, thread::sleep};
[INFO] [stdout]   |                           ^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `thread::sleep`
[INFO] [stdout]  --> src/ch3/nalgebra_matrix.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{time::{Instant, Duration}, thread::sleep};
[INFO] [stdout]   |                           ^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cholesky`, `ColPivQR`
[INFO] [stdout]  --> src/ch3/nalgebra_matrix.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use na::linalg::{ColPivQR,Cholesky};
[INFO] [stdout]   |                  ^^^^^^^^ ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cholesky`, `ColPivQR`
[INFO] [stdout]  --> src/ch3/nalgebra_matrix.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use na::linalg::{ColPivQR,Cholesky};
[INFO] [stdout]   |                  ^^^^^^^^ ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `v_Nd` should have a snake case name
[INFO] [stdout]   --> src/ch3/nalgebra_matrix.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let v_Nd : SMatrix<f32,50,1> = SMatrix::new_random();
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `v_nd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `v_Nd` should have a snake case name
[INFO] [stdout]   --> src/ch3/nalgebra_matrix.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let v_Nd : SMatrix<f32,50,1> = SMatrix::new_random();
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `v_nd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.34s
[INFO] running `Command { std: "docker" "inspect" "f40a62cb8cf0320c39597ef7566b1369c553639752d9bd3191336fa3e9ee94a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40a62cb8cf0320c39597ef7566b1369c553639752d9bd3191336fa3e9ee94a9", kill_on_drop: false }`
[INFO] [stdout] f40a62cb8cf0320c39597ef7566b1369c553639752d9bd3191336fa3e9ee94a9