[INFO] crate linear_solver 0.2.2 is already in cache
[INFO] testing linear_solver-0.2.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate linear_solver 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linear_solver 0.2.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linear_solver 0.2.2
[INFO] finished tweaking crates.io crate linear_solver 0.2.2
[INFO] tweaked toml for crates.io crate linear_solver 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 36c00e1349cdd8841412a61c1aad46fdeb5d0b5f6cc72515be85e3a79d06e6ef
[INFO] running `"docker" "start" "-a" "36c00e1349cdd8841412a61c1aad46fdeb5d0b5f6cc72515be85e3a79d06e6ef"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling cuckoofilter v0.3.2
[INFO] [stderr]    Compiling linear_solver v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "36c00e1349cdd8841412a61c1aad46fdeb5d0b5f6cc72515be85e3a79d06e6ef"`
[INFO] running `"docker" "rm" "-f" "36c00e1349cdd8841412a61c1aad46fdeb5d0b5f6cc72515be85e3a79d06e6ef"`
[INFO] [stdout] 36c00e1349cdd8841412a61c1aad46fdeb5d0b5f6cc72515be85e3a79d06e6ef
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] a74111dafcaf420f39bf577f3ceaa262d2b60ab186c2efda28de78648001274b
[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" "a74111dafcaf420f39bf577f3ceaa262d2b60ab186c2efda28de78648001274b"`
[INFO] [stderr]    Compiling linear_solver v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "a74111dafcaf420f39bf577f3ceaa262d2b60ab186c2efda28de78648001274b"`
[INFO] running `"docker" "rm" "-f" "a74111dafcaf420f39bf577f3ceaa262d2b60ab186c2efda28de78648001274b"`
[INFO] [stdout] a74111dafcaf420f39bf577f3ceaa262d2b60ab186c2efda28de78648001274b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 1e5c05b5044dfebbd494f22b98e18692e96411c3cf5b0f63730526c13e7adebb
[INFO] running `"docker" "start" "-a" "1e5c05b5044dfebbd494f22b98e18692e96411c3cf5b0f63730526c13e7adebb"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linear_solver-daac955a14ba5407
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linear_solver
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 30) ... ok
[INFO] [stdout] test src/lib.rs -  (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1e5c05b5044dfebbd494f22b98e18692e96411c3cf5b0f63730526c13e7adebb"`
[INFO] running `"docker" "rm" "-f" "1e5c05b5044dfebbd494f22b98e18692e96411c3cf5b0f63730526c13e7adebb"`
[INFO] [stdout] 1e5c05b5044dfebbd494f22b98e18692e96411c3cf5b0f63730526c13e7adebb