[INFO] fetching crate xdlol 0.0.0...
[INFO] checking xdlol-0.0.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate xdlol 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xdlol 0.0.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xdlol 0.0.0
[INFO] finished tweaking crates.io crate xdlol 0.0.0
[INFO] tweaked toml for crates.io crate xdlol 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded statrs v0.9.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.15
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.169
[INFO] [stderr]   Downloaded clippy v0.0.169
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e023e8486878a27f6f5d17a9e8fbc98f31c76cbd11f2a107074e5b39f0095d19
[INFO] running `Command { std: "docker" "start" "-a" "e023e8486878a27f6f5d17a9e8fbc98f31c76cbd11f2a107074e5b39f0095d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e023e8486878a27f6f5d17a9e8fbc98f31c76cbd11f2a107074e5b39f0095d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e023e8486878a27f6f5d17a9e8fbc98f31c76cbd11f2a107074e5b39f0095d19", kill_on_drop: false }`
[INFO] [stdout] e023e8486878a27f6f5d17a9e8fbc98f31c76cbd11f2a107074e5b39f0095d19
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1c54e074d1ed0fd21249b1019ba04d6fbbf0707f84b4d47436d374930793886
[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" "b1c54e074d1ed0fd21249b1019ba04d6fbbf0707f84b4d47436d374930793886", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking statrs v0.9.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking xdlol v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `p_value`
[INFO] [stdout]    --> src/statistics/chi_square.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn p_value(dof: u64, critical_value: f64) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `K` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let K: f64 = dof as f64 * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let X: f64 = critical_value * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/frequency_map.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoParallelRefIterator`
[INFO] [stdout]   --> benches/frequency_map.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParallelIterator`
[INFO] [stdout]   --> benches/frequency_map.rs:15:44
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xdlol`.
[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: variable `K` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let K: f64 = dof as f64 * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/statistics/chi_square.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let X: f64 = critical_value * 0.5;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1c54e074d1ed0fd21249b1019ba04d6fbbf0707f84b4d47436d374930793886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c54e074d1ed0fd21249b1019ba04d6fbbf0707f84b4d47436d374930793886", kill_on_drop: false }`
[INFO] [stdout] b1c54e074d1ed0fd21249b1019ba04d6fbbf0707f84b4d47436d374930793886
