[INFO] fetching crate fmtor 0.1.2...
[INFO] testing fmtor-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fmtor 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fmtor 0.1.2 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 fmtor 0.1.2
[INFO] finished tweaking crates.io crate fmtor 0.1.2
[INFO] tweaked toml for crates.io crate fmtor 0.1.2 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+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] 618d933c442884582697cf6f5ee02bfc52a08e9da43748c89e89ac65d949bf77
[INFO] running `Command { std: "docker" "start" "-a" "618d933c442884582697cf6f5ee02bfc52a08e9da43748c89e89ac65d949bf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "618d933c442884582697cf6f5ee02bfc52a08e9da43748c89e89ac65d949bf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618d933c442884582697cf6f5ee02bfc52a08e9da43748c89e89ac65d949bf77", kill_on_drop: false }`
[INFO] [stdout] 618d933c442884582697cf6f5ee02bfc52a08e9da43748c89e89ac65d949bf77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83f6d50f0019f1c1f27baeb23039c0032bebca8cce5a8c8d40d1a9525dfc9ad0
[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" "83f6d50f0019f1c1f27baeb23039c0032bebca8cce5a8c8d40d1a9525dfc9ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmtor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "83f6d50f0019f1c1f27baeb23039c0032bebca8cce5a8c8d40d1a9525dfc9ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f6d50f0019f1c1f27baeb23039c0032bebca8cce5a8c8d40d1a9525dfc9ad0", kill_on_drop: false }`
[INFO] [stdout] 83f6d50f0019f1c1f27baeb23039c0032bebca8cce5a8c8d40d1a9525dfc9ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "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] bc2b5cdde8a32623c3ffe592be721ddfebe0d9d7c51cd7f80f76b8759a70503e
[INFO] running `Command { std: "docker" "start" "-a" "bc2b5cdde8a32623c3ffe592be721ddfebe0d9d7c51cd7f80f76b8759a70503e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmtor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "bc2b5cdde8a32623c3ffe592be721ddfebe0d9d7c51cd7f80f76b8759a70503e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2b5cdde8a32623c3ffe592be721ddfebe0d9d7c51cd7f80f76b8759a70503e", kill_on_drop: false }`
[INFO] [stdout] bc2b5cdde8a32623c3ffe592be721ddfebe0d9d7c51cd7f80f76b8759a70503e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+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] 01f0f21f5624a9f27339fb436adb5ed92d09aff8fe95f9b26a06673d6f0dadfc
[INFO] running `Command { std: "docker" "start" "-a" "01f0f21f5624a9f27339fb436adb5ed92d09aff8fe95f9b26a06673d6f0dadfc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fmtor-b2a7096a2e5ed2e3
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_binary ... ok
[INFO] [stdout] test tests::test_binary_alt ... ok
[INFO] [stdout] test tests::test_lowerexp ... ok
[INFO] [stdout] test tests::test_lowerhex ... ok
[INFO] [stdout] test tests::test_pointer ... ok
[INFO] [stdout] test tests::test_upperexp ... ok
[INFO] [stdout] test tests::test_upperhex_alt ... ok
[INFO] [stdout] test tests::test_upperhex ... ok
[INFO] [stdout] test tests::test_octal_alt ... ok
[INFO] [stdout] test tests::test_octal ... ok
[INFO] [stdout] test tests::test_debug_alt ... ok
[INFO] [stdout] test tests::test_lowerhex_alt ... ok
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::test_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fmtor
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - FmtOr (line 107) ... ok
[INFO] [stdout] test src/lib.rs - FmtOr::fmt_or_empty (line 136) ... ok
[INFO] [stdout] test src/lib.rs - FmtOr (line 92) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - FmtOr::fmt_or (line 159) ... ok
[INFO] [stdout] test src/lib.rs - FmtOr::fmt_or_else (line 188) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01f0f21f5624a9f27339fb436adb5ed92d09aff8fe95f9b26a06673d6f0dadfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f0f21f5624a9f27339fb436adb5ed92d09aff8fe95f9b26a06673d6f0dadfc", kill_on_drop: false }`
[INFO] [stdout] 01f0f21f5624a9f27339fb436adb5ed92d09aff8fe95f9b26a06673d6f0dadfc