[INFO] updating cached repository https://github.com/botev/symbolic_polynomials
[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] 2148f5dfd91b331d608001068fb45db316727313
[INFO] testing botev/symbolic_polynomials against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotev%2Fsymbolic_polynomials" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/botev/symbolic_polynomials 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/botev/symbolic_polynomials
[INFO] finished tweaking git repo https://github.com/botev/symbolic_polynomials
[INFO] tweaked toml for git repo https://github.com/botev/symbolic_polynomials written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/botev/symbolic_polynomials 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] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 378c3f1cb50c7293fb79cfd897056570abedaf9fd49850319227ec98eaf92e91
[INFO] running `"docker" "start" "-a" "378c3f1cb50c7293fb79cfd897056570abedaf9fd49850319227ec98eaf92e91"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling symbolic_polynomials v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "378c3f1cb50c7293fb79cfd897056570abedaf9fd49850319227ec98eaf92e91"`
[INFO] running `"docker" "rm" "-f" "378c3f1cb50c7293fb79cfd897056570abedaf9fd49850319227ec98eaf92e91"`
[INFO] [stdout] 378c3f1cb50c7293fb79cfd897056570abedaf9fd49850319227ec98eaf92e91
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e0287d8af3ba3a0a7c3f8ff1dec5fa3af89cc2daeae8a428a7f84ed77eb1573c
[INFO] running `"docker" "start" "-a" "e0287d8af3ba3a0a7c3f8ff1dec5fa3af89cc2daeae8a428a7f84ed77eb1573c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling symbolic_polynomials v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "e0287d8af3ba3a0a7c3f8ff1dec5fa3af89cc2daeae8a428a7f84ed77eb1573c"`
[INFO] running `"docker" "rm" "-f" "e0287d8af3ba3a0a7c3f8ff1dec5fa3af89cc2daeae8a428a7f84ed77eb1573c"`
[INFO] [stdout] e0287d8af3ba3a0a7c3f8ff1dec5fa3af89cc2daeae8a428a7f84ed77eb1573c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f4493681185fa877e274b06d7af0231a0544748ee8e6fa0643b25eb5bb19815c
[INFO] running `"docker" "start" "-a" "f4493681185fa877e274b06d7af0231a0544748ee8e6fa0643b25eb5bb19815c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/symbolic_polynomials-43ae2a4b307b5dc4
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/example-7758f3a7d38a0ee5
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test example_test ... ok
[INFO] [stderr]    Doc-tests symbolic_polynomials
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 516) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 867) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 1005) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 1098) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 1022) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 918) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 661) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 475) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 688) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 853) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 1084) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 434) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 835) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 904) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymMonomial (line 406) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 548) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 943) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 960) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 147) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 135) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 729) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 72) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 125) ... ok
[INFO] [stdout] test src/lib.rs - &'a SymPolynomial (line 768) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 83) ... ok
[INFO] [stdout] test src/lib.rs - SymMonomial (line 94) ... ok
[INFO] [stdout] test src/lib.rs - SymPolynomial (line 307) ... ok
[INFO] [stdout] test src/lib.rs - SymPolynomial (line 323) ... ok
[INFO] [stdout] test src/lib.rs - SymPolynomial::simplify (line 255) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f4493681185fa877e274b06d7af0231a0544748ee8e6fa0643b25eb5bb19815c"`
[INFO] running `"docker" "rm" "-f" "f4493681185fa877e274b06d7af0231a0544748ee8e6fa0643b25eb5bb19815c"`
[INFO] [stdout] f4493681185fa877e274b06d7af0231a0544748ee8e6fa0643b25eb5bb19815c