[INFO] fetching crate changecase 0.0.7...
[INFO] testing changecase-0.0.7 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate changecase 0.0.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate changecase 0.0.7 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 changecase 0.0.7
[INFO] finished tweaking crates.io crate changecase 0.0.7
[INFO] tweaked toml for crates.io crate changecase 0.0.7 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f2f72d065b03642861004510dddd32a340d9d7bb1ecc826e9ff7d8e96b516b5
[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" "3f2f72d065b03642861004510dddd32a340d9d7bb1ecc826e9ff7d8e96b516b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f2f72d065b03642861004510dddd32a340d9d7bb1ecc826e9ff7d8e96b516b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2f72d065b03642861004510dddd32a340d9d7bb1ecc826e9ff7d8e96b516b5", kill_on_drop: false }`
[INFO] [stdout] 3f2f72d065b03642861004510dddd32a340d9d7bb1ecc826e9ff7d8e96b516b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] f18d081e0fff604fd3af76868bac0b98a4a525ed681c4971b495de74068721db
[INFO] running `Command { std: "docker" "start" "-a" "f18d081e0fff604fd3af76868bac0b98a4a525ed681c4971b495de74068721db", kill_on_drop: false }`
[INFO] [stderr]    Compiling changecase v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "f18d081e0fff604fd3af76868bac0b98a4a525ed681c4971b495de74068721db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18d081e0fff604fd3af76868bac0b98a4a525ed681c4971b495de74068721db", kill_on_drop: false }`
[INFO] [stdout] f18d081e0fff604fd3af76868bac0b98a4a525ed681c4971b495de74068721db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 5d669516e5f73daf356f56253f60bb8de334ad4ef19aefb5c45d0b36f4c18aaa
[INFO] running `Command { std: "docker" "start" "-a" "5d669516e5f73daf356f56253f60bb8de334ad4ef19aefb5c45d0b36f4c18aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling changecase v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "5d669516e5f73daf356f56253f60bb8de334ad4ef19aefb5c45d0b36f4c18aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d669516e5f73daf356f56253f60bb8de334ad4ef19aefb5c45d0b36f4c18aaa", kill_on_drop: false }`
[INFO] [stdout] 5d669516e5f73daf356f56253f60bb8de334ad4ef19aefb5c45d0b36f4c18aaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 15682027dc4f44aaa05ec12e76f9e8fbaf73d2d1d4377a96315cbd76d62eae1f
[INFO] running `Command { std: "docker" "start" "-a" "15682027dc4f44aaa05ec12e76f9e8fbaf73d2d1d4377a96315cbd76d62eae1f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/changecase-4c54936346be4a4a
[INFO] [stdout] running 9 tests
[INFO] [stdout] test lower ... ok
[INFO] [stdout] test swapped ... ok
[INFO] [stdout] test upper ... ok
[INFO] [stdout] test str_capitalize ... ok
[INFO] [stdout] test alternating ... ok
[INFO] [stdout] test str_swapped ... ok
[INFO] [stdout] test str_alternating ... ok
[INFO] [stdout] test capitalize ... ok
[INFO] [stderr]    Doc-tests changecase
[INFO] [stdout] test str_lower ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15682027dc4f44aaa05ec12e76f9e8fbaf73d2d1d4377a96315cbd76d62eae1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15682027dc4f44aaa05ec12e76f9e8fbaf73d2d1d4377a96315cbd76d62eae1f", kill_on_drop: false }`
[INFO] [stdout] 15682027dc4f44aaa05ec12e76f9e8fbaf73d2d1d4377a96315cbd76d62eae1f