[INFO] updating cached repository https://github.com/AlephNotation/dsfs-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32bea73d91db1160d7bb46ec53f876455d211da3
[INFO] testing AlephNotation/dsfs-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlephNotation%2Fdsfs-rust" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlephNotation/dsfs-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AlephNotation/dsfs-rust
[INFO] finished tweaking git repo https://github.com/AlephNotation/dsfs-rust
[INFO] tweaked toml for git repo https://github.com/AlephNotation/dsfs-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AlephNotation/dsfs-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 9a85f91ce6f4fd924f99b134d120762e8678b3bc5f104231454fdb1de71d33c4
[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" "9a85f91ce6f4fd924f99b134d120762e8678b3bc5f104231454fdb1de71d33c4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling dsfs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> src/linear_algebra.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num::{Float, Num};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `"docker" "inspect" "9a85f91ce6f4fd924f99b134d120762e8678b3bc5f104231454fdb1de71d33c4"`
[INFO] running `"docker" "rm" "-f" "9a85f91ce6f4fd924f99b134d120762e8678b3bc5f104231454fdb1de71d33c4"`
[INFO] [stdout] 9a85f91ce6f4fd924f99b134d120762e8678b3bc5f104231454fdb1de71d33c4
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 427bfb8d15557d89f81c535c961be3278a49f28ae526b2e86b9a56b215cb37da
[INFO] running `"docker" "start" "-a" "427bfb8d15557d89f81c535c961be3278a49f28ae526b2e86b9a56b215cb37da"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dsfs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> src/linear_algebra.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num::{Float, Num};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> src/linear_algebra.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num::{Float, Num};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "427bfb8d15557d89f81c535c961be3278a49f28ae526b2e86b9a56b215cb37da"`
[INFO] running `"docker" "rm" "-f" "427bfb8d15557d89f81c535c961be3278a49f28ae526b2e86b9a56b215cb37da"`
[INFO] [stdout] 427bfb8d15557d89f81c535c961be3278a49f28ae526b2e86b9a56b215cb37da
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "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] d4eda0b28b5de93980ca81fc60fd327b4c40ace5a9e8221c057928c81ef22d51
[INFO] running `"docker" "start" "-a" "d4eda0b28b5de93980ca81fc60fd327b4c40ace5a9e8221c057928c81ef22d51"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> src/linear_algebra.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num::{Float, Num};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Float`
[INFO] [stderr]  --> src/linear_algebra.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num::{Float, Num};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dsfs_rust-103df502665d3f2c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test linear_algebra::tests::test_add ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test linear_algebra::tests::test_subtract ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dsfs-rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d4eda0b28b5de93980ca81fc60fd327b4c40ace5a9e8221c057928c81ef22d51"`
[INFO] running `"docker" "rm" "-f" "d4eda0b28b5de93980ca81fc60fd327b4c40ace5a9e8221c057928c81ef22d51"`
[INFO] [stdout] d4eda0b28b5de93980ca81fc60fd327b4c40ace5a9e8221c057928c81ef22d51