[INFO] fetching crate polystem 0.3.0...
[INFO] testing polystem-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate polystem 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polystem 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polystem 0.3.0
[INFO] finished tweaking crates.io crate polystem 0.3.0
[INFO] tweaked toml for crates.io crate polystem 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e701b5ec28fee3a124325c6b562bbe83fd08ea5a99f5a623ade1fe1f8ca1e0e
[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" "8e701b5ec28fee3a124325c6b562bbe83fd08ea5a99f5a623ade1fe1f8ca1e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e701b5ec28fee3a124325c6b562bbe83fd08ea5a99f5a623ade1fe1f8ca1e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e701b5ec28fee3a124325c6b562bbe83fd08ea5a99f5a623ade1fe1f8ca1e0e", kill_on_drop: false }`
[INFO] [stdout] 8e701b5ec28fee3a124325c6b562bbe83fd08ea5a99f5a623ade1fe1f8ca1e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba672781f403c4e57ac55b6248963bf3153df28bda59c47c8c70a52baf98682
[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" "fba672781f403c4e57ac55b6248963bf3153df28bda59c47c8c70a52baf98682", kill_on_drop: false }`
[INFO] [stderr]    Compiling polystem v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "fba672781f403c4e57ac55b6248963bf3153df28bda59c47c8c70a52baf98682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba672781f403c4e57ac55b6248963bf3153df28bda59c47c8c70a52baf98682", kill_on_drop: false }`
[INFO] [stdout] fba672781f403c4e57ac55b6248963bf3153df28bda59c47c8c70a52baf98682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] dc68225a10a27bbe1f87511141e78a2186ec956fc7eaa50562d5905ff6332973
[INFO] running `Command { std: "docker" "start" "-a" "dc68225a10a27bbe1f87511141e78a2186ec956fc7eaa50562d5905ff6332973", kill_on_drop: false }`
[INFO] [stderr]    Compiling polystem v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "dc68225a10a27bbe1f87511141e78a2186ec956fc7eaa50562d5905ff6332973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc68225a10a27bbe1f87511141e78a2186ec956fc7eaa50562d5905ff6332973", kill_on_drop: false }`
[INFO] [stdout] dc68225a10a27bbe1f87511141e78a2186ec956fc7eaa50562d5905ff6332973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b33b942181a69df82111f6b5a833acb754022388d87412f4ad1b31d7f8ceef4b
[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" "b33b942181a69df82111f6b5a833acb754022388d87412f4ad1b31d7f8ceef4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polystem-8e0854277a45411d
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_count ... ok
[INFO] [stdout] test tests::test_double_consonant ... ok
[INFO] [stdout] test tests::test_is_consonant ... ok
[INFO] [stdout] test tests::test_has_vowel ... ok
[INFO] [stdout] test tests::test_ends_with ... ok
[INFO] [stdout] test tests::test_s_stem ... ok
[INFO] [stdout] test tests::test_cvc ... ok
[INFO] [stdout] test tests::test_replace ... ok
[INFO] [stdout] test tests::test_porter_stem ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polystem
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - S::stem (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b33b942181a69df82111f6b5a833acb754022388d87412f4ad1b31d7f8ceef4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33b942181a69df82111f6b5a833acb754022388d87412f4ad1b31d7f8ceef4b", kill_on_drop: false }`
[INFO] [stdout] b33b942181a69df82111f6b5a833acb754022388d87412f4ad1b31d7f8ceef4b