[INFO] fetching crate dynstr 0.1.1...
[INFO] testing dynstr-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dynstr 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dynstr 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynstr 0.1.1
[INFO] finished tweaking crates.io crate dynstr 0.1.1
[INFO] tweaked toml for crates.io crate dynstr 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 4462b819bac76e7241b257e1d6539f110fb6e2b247759b639d0bd4ec799758ed
[INFO] running `Command { std: "docker" "start" "-a" "4462b819bac76e7241b257e1d6539f110fb6e2b247759b639d0bd4ec799758ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4462b819bac76e7241b257e1d6539f110fb6e2b247759b639d0bd4ec799758ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4462b819bac76e7241b257e1d6539f110fb6e2b247759b639d0bd4ec799758ed", kill_on_drop: false }`
[INFO] [stdout] 4462b819bac76e7241b257e1d6539f110fb6e2b247759b639d0bd4ec799758ed
[INFO] running `Command { std: "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" "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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35c49fecf63e5187f5448d88ee105eb08c4390609c82f41325829993da9e972
[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" "d35c49fecf63e5187f5448d88ee105eb08c4390609c82f41325829993da9e972", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynstr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "d35c49fecf63e5187f5448d88ee105eb08c4390609c82f41325829993da9e972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35c49fecf63e5187f5448d88ee105eb08c4390609c82f41325829993da9e972", kill_on_drop: false }`
[INFO] [stdout] d35c49fecf63e5187f5448d88ee105eb08c4390609c82f41325829993da9e972
[INFO] running `Command { std: "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" "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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be3dd2186b86251c7ba755f0393fd58806ffdbadb9dbbc9d79c907e977bce060
[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" "be3dd2186b86251c7ba755f0393fd58806ffdbadb9dbbc9d79c907e977bce060", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynstr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "be3dd2186b86251c7ba755f0393fd58806ffdbadb9dbbc9d79c907e977bce060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3dd2186b86251c7ba755f0393fd58806ffdbadb9dbbc9d79c907e977bce060", kill_on_drop: false }`
[INFO] [stdout] be3dd2186b86251c7ba755f0393fd58806ffdbadb9dbbc9d79c907e977bce060
[INFO] running `Command { std: "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" "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" "+1.49.0" "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] 645fe58c8ba508c930715cdeb1a4dead19f0bbb329044ed83b9121a8354ae7d6
[INFO] running `Command { std: "docker" "start" "-a" "645fe58c8ba508c930715cdeb1a4dead19f0bbb329044ed83b9121a8354ae7d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dynstr-dd4d44fa27a07de4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/indexed_test-202e74e39e1c12f2
[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 6 tests
[INFO] [stdout] test cons ... ok
[INFO] [stdout] test slice ... ok
[INFO] [stdout] test slice_cons_slice ... ok
[INFO] [stdout] test slice_cons ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/methods_test-40fc55fcc71464c0
[INFO] [stdout] test slice_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test append ... ok
[INFO] [stdout] test split_empty ... ok
[INFO] [stdout] test split ... ok
[INFO] [stdout] test index_of ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pattern_test-87080331185fc1a3
[INFO] [stdout] test split_empty_pattern ... ok
[INFO] [stdout] test split_empty_source ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string_test-b17c4764ff2c1448
[INFO] [stdout] test basic ... ok
[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 11 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test iter_cons ... ok
[INFO] [stdout] test iter_cons_cons_slice ... ok
[INFO] [stdout] test iter_slice_slice ... ok
[INFO] [stdout] test iter_slice_slice_slice ... ok
[INFO] [stdout] test iter_cons_slice ... ok
[INFO] [stderr]    Doc-tests dynstr
[INFO] [stdout] test hash ... ok
[INFO] [stdout] test iter_slice ... ok
[INFO] [stdout] test nth ... ok
[INFO] [stdout] test unicode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/methods.rs - methods::DynamicString::append (line 40) ... ok
[INFO] [stdout] test src/methods.rs - methods::DynamicString::index_of (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/methods.rs - methods::DynamicString::split (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "645fe58c8ba508c930715cdeb1a4dead19f0bbb329044ed83b9121a8354ae7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645fe58c8ba508c930715cdeb1a4dead19f0bbb329044ed83b9121a8354ae7d6", kill_on_drop: false }`
[INFO] [stdout] 645fe58c8ba508c930715cdeb1a4dead19f0bbb329044ed83b9121a8354ae7d6