[INFO] cloning repository https://github.com/wujinq/rustmc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wujinq/rustmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwujinq%2Frustmc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwujinq%2Frustmc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fb6ba12327b8a9cdad6e202db37e232d561f17c
[INFO] checking wujinq/rustmc against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwujinq%2Frustmc" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wujinq/rustmc on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wujinq/rustmc
[INFO] finished tweaking git repo https://github.com/wujinq/rustmc
[INFO] tweaked toml for git repo https://github.com/wujinq/rustmc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wujinq/rustmc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] [stderr]   Downloaded simba v0.3.1
[INFO] [stderr]   Downloaded rand_distr v0.3.0
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded factorial v0.2.1
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded nalgebra v0.24.0
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded ndarray-rand v0.13.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d075c3364d797f142b32c22b82380eb30beb3f1ac00e66cc4aa1044628fc352f
[INFO] running `Command { std: "docker" "start" "-a" "d075c3364d797f142b32c22b82380eb30beb3f1ac00e66cc4aa1044628fc352f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d075c3364d797f142b32c22b82380eb30beb3f1ac00e66cc4aa1044628fc352f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d075c3364d797f142b32c22b82380eb30beb3f1ac00e66cc4aa1044628fc352f", kill_on_drop: false }`
[INFO] [stdout] d075c3364d797f142b32c22b82380eb30beb3f1ac00e66cc4aa1044628fc352f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a83ae5b5d6b9735ace9d27d9c8c2707fbd90da528e208ac568b4e9b0845addc
[INFO] running `Command { std: "docker" "start" "-a" "0a83ae5b5d6b9735ace9d27d9c8c2707fbd90da528e208ac568b4e9b0845addc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking factorial v0.2.1
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking ndarray-rand v0.13.0
[INFO] [stderr]     Checking nalgebra v0.24.0
[INFO] [stderr]     Checking montecarlo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nalgebra::DMatrix`
[INFO] [stdout]  --> src/dqmc/bss.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nalgebra::DMatrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Sweep`
[INFO] [stdout]  --> src/dqmc/bss.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::Sweep;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::*`
[INFO] [stdout]  --> src/dqmc/bss.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::config::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nalgebra::DMatrix`
[INFO] [stdout]  --> src/dqmc/bss.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nalgebra::DMatrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Sweep`
[INFO] [stdout]  --> src/dqmc/bss.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::Sweep;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::config::*`
[INFO] [stdout]  --> src/dqmc/bss.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::config::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alpha`
[INFO] [stdout]   --> src/dqmc/hubbard_naive.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let alpha = self.alpha;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_alpha`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_tau`
[INFO] [stdout]   --> src/dqmc/hubbard_naive.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn exp_b_mat_spin_up(&self, n_tau: usize) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_n_tau`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `site`
[INFO] [stdout]   --> src/dqmc/hubbard_naive.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn accept_rate(&self, site: usize) {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_site`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alpha`
[INFO] [stdout]   --> src/dqmc/hubbard_naive.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let alpha = self.alpha;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_alpha`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_tau`
[INFO] [stdout]   --> src/dqmc/hubbard_naive.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn exp_b_mat_spin_up(&self, n_tau: usize) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_n_tau`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `site`
[INFO] [stdout]   --> src/dqmc/hubbard_naive.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn accept_rate(&self, site: usize) {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_site`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.49s
[INFO] running `Command { std: "docker" "inspect" "0a83ae5b5d6b9735ace9d27d9c8c2707fbd90da528e208ac568b4e9b0845addc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a83ae5b5d6b9735ace9d27d9c8c2707fbd90da528e208ac568b4e9b0845addc", kill_on_drop: false }`
[INFO] [stdout] 0a83ae5b5d6b9735ace9d27d9c8c2707fbd90da528e208ac568b4e9b0845addc