[INFO] cloning repository https://github.com/PanQL/mesh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PanQL/mesh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanQL%2Fmesh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanQL%2Fmesh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 262ea730a7b003f48d2d67d903b3c3a020756229
[INFO] checking PanQL/mesh against master#a58ec8ff03b3269b20104eb7eae407be48ab95a7 for pr-119849-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPanQL%2Fmesh" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PanQL/mesh on toolchain a58ec8ff03b3269b20104eb7eae407be48ab95a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PanQL/mesh
[INFO] finished tweaking git repo https://github.com/PanQL/mesh
[INFO] tweaked toml for git repo https://github.com/PanQL/mesh written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PanQL/mesh 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" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded matrixmultiply v0.2.2
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded nalgebra v0.18.0
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22b8d605f022904a9d6786b9dadacc052ba164bd75b2184a309595ff8569e32b
[INFO] running `Command { std: "docker" "start" "-a" "22b8d605f022904a9d6786b9dadacc052ba164bd75b2184a309595ff8569e32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22b8d605f022904a9d6786b9dadacc052ba164bd75b2184a309595ff8569e32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b8d605f022904a9d6786b9dadacc052ba164bd75b2184a309595ff8569e32b", kill_on_drop: false }`
[INFO] [stdout] 22b8d605f022904a9d6786b9dadacc052ba164bd75b2184a309595ff8569e32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+a58ec8ff03b3269b20104eb7eae407be48ab95a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 794f314c1522f060f30fad025a81e6c35e3eefb277cb6cb05328d4dc1cc26942
[INFO] running `Command { std: "docker" "start" "-a" "794f314c1522f060f30fad025a81e6c35e3eefb277cb6cb05328d4dc1cc26942", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]     Checking mesh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mesh.rs:195:29
[INFO] [stdout]     |
[INFO] [stdout] 195 |                         let mut pair = self.pairs.get_mut(to_renew.id).unwrap();
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mesh.rs:195:29
[INFO] [stdout]     |
[INFO] [stdout] 195 |                         let mut pair = self.pairs.get_mut(to_renew.id).unwrap();
[INFO] [stdout]     |                             ----^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
[INFO] running `Command { std: "docker" "inspect" "794f314c1522f060f30fad025a81e6c35e3eefb277cb6cb05328d4dc1cc26942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794f314c1522f060f30fad025a81e6c35e3eefb277cb6cb05328d4dc1cc26942", kill_on_drop: false }`
[INFO] [stdout] 794f314c1522f060f30fad025a81e6c35e3eefb277cb6cb05328d4dc1cc26942