[INFO] crate permu-rs 0.1.4 is already in cache
[INFO] testing permu-rs-0.1.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate permu-rs 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate permu-rs 0.1.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate permu-rs 0.1.4
[INFO] finished tweaking crates.io crate permu-rs 0.1.4
[INFO] tweaked toml for crates.io crate permu-rs 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c17b79f03a83fb426007aac672fa9aebd5390575201e2ba630f050966c14e445
[INFO] running `"docker" "start" "-a" "c17b79f03a83fb426007aac672fa9aebd5390575201e2ba630f050966c14e445"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling permu-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `VjPopulation`
[INFO] [stderr]  --> src/permutation.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::vj::{Vj, VjPopulation};
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/vj.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `"docker" "inspect" "c17b79f03a83fb426007aac672fa9aebd5390575201e2ba630f050966c14e445"`
[INFO] running `"docker" "rm" "-f" "c17b79f03a83fb426007aac672fa9aebd5390575201e2ba630f050966c14e445"`
[INFO] [stdout] c17b79f03a83fb426007aac672fa9aebd5390575201e2ba630f050966c14e445
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] a8cbb712d71308719bcaa61338ed5b7df39d79dae089a4275c870b12c9dad96d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a8cbb712d71308719bcaa61338ed5b7df39d79dae089a4275c870b12c9dad96d"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr] warning: unused import: `VjPopulation`
[INFO] [stderr]  --> src/permutation.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::vj::{Vj, VjPopulation};
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/vj.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling permu-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `VjPopulation`
[INFO] [stderr]  --> src/permutation.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::vj::{Vj, VjPopulation};
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/vj.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "a8cbb712d71308719bcaa61338ed5b7df39d79dae089a4275c870b12c9dad96d"`
[INFO] running `"docker" "rm" "-f" "a8cbb712d71308719bcaa61338ed5b7df39d79dae089a4275c870b12c9dad96d"`
[INFO] [stdout] a8cbb712d71308719bcaa61338ed5b7df39d79dae089a4275c870b12c9dad96d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 710616841ed48f981b38af83f8ebfa39997737a8a3a1c9ed876e6b1a0e96e69a
[INFO] running `"docker" "start" "-a" "710616841ed48f981b38af83f8ebfa39997737a8a3a1c9ed876e6b1a0e96e69a"`
[INFO] [stderr] warning: unused import: `VjPopulation`
[INFO] [stderr]  --> src/permutation.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::vj::{Vj, VjPopulation};
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/vj.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VjPopulation`
[INFO] [stderr]  --> src/permutation.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::vj::{Vj, VjPopulation};
[INFO] [stderr]   |                     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/vj.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/permu_rs-1c4fab364cdfbf94
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test permutation::test_learn::test ... ok
[INFO] [stdout] test permutation::tests_permu::generate_rand_permus ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests permu-rs
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/permutation.rs - permutation::Permutation<T>::from_vec_unsec (line 58) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation<T>::from_vec (line 38) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::PermuPopulation<T>::random (line 299) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::PermuPopulation<T>::zeros (line 262) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::PermuPopulation<T>::from_vec (line 246) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::PermuPopulation<T>::identity (line 282) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::PermuPopulation<T>::sample (line 367) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::PermuPopulation<T>::learn (line 329) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation<T>::is_permu (line 135) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation<T>::random (line 74) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation<T>::identity (line 108) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation<T>::from_vj (line 189) ... ok
[INFO] [stdout] test src/vj.rs - vj::Vj<T>::from_permu (line 61) ... ok
[INFO] [stdout] test src/permutation.rs - permutation::Permutation<T>::to_vj (line 167) ... ok
[INFO] [stdout] test src/vj.rs - vj::Vj<T>::from_vec (line 33) ... ok
[INFO] [stdout] test src/vj.rs - vj::Vj<T>::to_permu (line 101) ... ok
[INFO] [stdout] test src/vj.rs - vj::Vj<T>::zeros (line 45) ... ok
[INFO] [stdout] test src/vj.rs - vj::VjPopulation<T>::from_permus (line 261) ... ok
[INFO] [stdout] test src/vj.rs - vj::VjPopulation<T>::zeros (line 182) ... ok
[INFO] [stdout] test src/vj.rs - vj::VjPopulation<T>::to_permus (line 218) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "710616841ed48f981b38af83f8ebfa39997737a8a3a1c9ed876e6b1a0e96e69a"`
[INFO] running `"docker" "rm" "-f" "710616841ed48f981b38af83f8ebfa39997737a8a3a1c9ed876e6b1a0e96e69a"`
[INFO] [stdout] 710616841ed48f981b38af83f8ebfa39997737a8a3a1c9ed876e6b1a0e96e69a