[INFO] cloning repository https://github.com/Refefer/pairwizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Refefer/pairwizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRefefer%2Fpairwizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRefefer%2Fpairwizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2d68f12d5fce0022d7fd9f5e027f889e207e156
[INFO] checking Refefer/pairwizer against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRefefer%2Fpairwizer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Refefer/pairwizer on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Refefer/pairwizer
[INFO] finished tweaking git repo https://github.com/Refefer/pairwizer
[INFO] tweaked toml for git repo https://github.com/Refefer/pairwizer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Refefer/pairwizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ab6e7017a69d15bae56810dd912ec695795f69c34239752d2562253304f7327
[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" "4ab6e7017a69d15bae56810dd912ec695795f69c34239752d2562253304f7327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ab6e7017a69d15bae56810dd912ec695795f69c34239752d2562253304f7327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab6e7017a69d15bae56810dd912ec695795f69c34239752d2562253304f7327", kill_on_drop: false }`
[INFO] [stdout] 4ab6e7017a69d15bae56810dd912ec695795f69c34239752d2562253304f7327
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0a8092e933d0a1bb352487d9f1d039363861498deac0db1b63830c6dc80e9a
[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" "ef0a8092e933d0a1bb352487d9f1d039363861498deac0db1b63830c6dc80e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking heap v0.1.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking propagon v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `test_utils` is defined multiple times
[INFO] [stdout]    --> src/utils.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | mod test_utils {
[INFO] [stdout]     | -------------- previous definition of the module `test_utils` here
[INFO] [stdout] ...
[INFO] [stdout] 240 | mod test_utils {
[INFO] [stdout]     | ^^^^^^^^^^^^^^ `test_utils` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `test_utils` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vp::Embedding`
[INFO] [stdout]    --> src/de.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |     use crate::vp::Embedding;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vp::rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]  --> src/de.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::distributions::{Normal,Uniform};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vp::rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]    --> src/de.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let norm_dist = Normal::new(0., 1.);
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vp::rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]  --> src/de.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::distributions::{Normal,Uniform};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vp::rand::distributions::Normal`: moved to rand_distr crate
[INFO] [stdout]    --> src/de.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let norm_dist = Normal::new(0., 1.);
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]    --> src/mccluster.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut i = 0;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `polish_on_stale`, `range`, `restart_on_stale` in initializer of `de::DifferentialEvolution`
[INFO] [stdout]    --> src/de.rs:301:18
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let de = DifferentialEvolution {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ missing `polish_on_stale`, `range`, `restart_on_stale`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `propagon`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant is never constructed: `P99`
[INFO] [stdout]    --> src/mccluster.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     P99,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `P95`
[INFO] [stdout]    --> src/mccluster.rs:417:5
[INFO] [stdout]     |
[INFO] [stdout] 417 |     P95,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `P90`
[INFO] [stdout]    --> src/mccluster.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     P90,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `P10`
[INFO] [stdout]    --> src/mccluster.rs:419:5
[INFO] [stdout]     |
[INFO] [stdout] 419 |     P10,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `P05`
[INFO] [stdout]    --> src/mccluster.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 420 |     P05,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `P005`
[INFO] [stdout]    --> src/mccluster.rs:422:5
[INFO] [stdout]     |
[INFO] [stdout] 422 |     P005
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ef0a8092e933d0a1bb352487d9f1d039363861498deac0db1b63830c6dc80e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0a8092e933d0a1bb352487d9f1d039363861498deac0db1b63830c6dc80e9a", kill_on_drop: false }`
[INFO] [stdout] ef0a8092e933d0a1bb352487d9f1d039363861498deac0db1b63830c6dc80e9a