[INFO] crate substr 1.0.0 is already in cache
[INFO] testing substr-1.0.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate substr 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate substr 1.0.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substr 1.0.0
[INFO] finished tweaking crates.io crate substr 1.0.0
[INFO] tweaked toml for crates.io crate substr 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 8b5ed37cc7b601e4398e8d032db394f201d0a7a3830133753722f816129c3e39
[INFO] running `Command { std: "docker" "start" "-a" "8b5ed37cc7b601e4398e8d032db394f201d0a7a3830133753722f816129c3e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b5ed37cc7b601e4398e8d032db394f201d0a7a3830133753722f816129c3e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5ed37cc7b601e4398e8d032db394f201d0a7a3830133753722f816129c3e39", kill_on_drop: false }`
[INFO] [stdout] 8b5ed37cc7b601e4398e8d032db394f201d0a7a3830133753722f816129c3e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8f3e6b8a210c96c75a2c352ff19ca675c7d171952961b491b0b85309bf49337
[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" "d8f3e6b8a210c96c75a2c352ff19ca675c7d171952961b491b0b85309bf49337", kill_on_drop: false }`
[INFO] [stderr]    Compiling substr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "d8f3e6b8a210c96c75a2c352ff19ca675c7d171952961b491b0b85309bf49337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f3e6b8a210c96c75a2c352ff19ca675c7d171952961b491b0b85309bf49337", kill_on_drop: false }`
[INFO] [stdout] d8f3e6b8a210c96c75a2c352ff19ca675c7d171952961b491b0b85309bf49337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8c6e08e0d0009420856f5641532b62ac56bc0d20c99efb16fa49e18dc7649a
[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" "ae8c6e08e0d0009420856f5641532b62ac56bc0d20c99efb16fa49e18dc7649a", kill_on_drop: false }`
[INFO] [stderr]    Compiling substr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "ae8c6e08e0d0009420856f5641532b62ac56bc0d20c99efb16fa49e18dc7649a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8c6e08e0d0009420856f5641532b62ac56bc0d20c99efb16fa49e18dc7649a", kill_on_drop: false }`
[INFO] [stdout] ae8c6e08e0d0009420856f5641532b62ac56bc0d20c99efb16fa49e18dc7649a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 806c0fd5157c732694dfab0833c219e9a1d3b20ed9dca24bb9924bdd8fbe6f9a
[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" "806c0fd5157c732694dfab0833c219e9a1d3b20ed9dca24bb9924bdd8fbe6f9a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/substr-ad7fa53a030a2f83
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::find_substr ... ok
[INFO] [stdout] test tests::from_range ... ok
[INFO] [stdout] test tests::equality ... ok
[INFO] [stdout] test tests::equality_with_different_parents ... ok
[INFO] [stdout] test tests::roundtrip_with_contained_child ... ok
[INFO] [stdout] test tests::empty_equality ... ok
[INFO] [stdout] test tests::roundtrip_preserves_ptr ... ok
[INFO] [stdout] test tests::roundtrip_without_contained_child ... ok
[INFO] [stdout] test tests::roundtrip_with_different_parent ... ok
[INFO] [stdout] test tests::to_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests substr
[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] running `Command { std: "docker" "inspect" "806c0fd5157c732694dfab0833c219e9a1d3b20ed9dca24bb9924bdd8fbe6f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806c0fd5157c732694dfab0833c219e9a1d3b20ed9dca24bb9924bdd8fbe6f9a", kill_on_drop: false }`
[INFO] [stdout] 806c0fd5157c732694dfab0833c219e9a1d3b20ed9dca24bb9924bdd8fbe6f9a