[INFO] fetching crate to-binary 0.3.0...
[INFO] testing to-binary-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate to-binary 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate to-binary 0.3.0 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 to-binary 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate to-binary 0.3.0
[INFO] tweaked toml for crates.io crate to-binary 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate to-binary 0.3.0 already has a lockfile, it will not be regenerated
[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-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" "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] [stdout] aca62d05673dc426ad7a2fc0081cd31df7edcb16dbe4ec20e3304fd3eb4c2ef2
[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" "aca62d05673dc426ad7a2fc0081cd31df7edcb16dbe4ec20e3304fd3eb4c2ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca62d05673dc426ad7a2fc0081cd31df7edcb16dbe4ec20e3304fd3eb4c2ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca62d05673dc426ad7a2fc0081cd31df7edcb16dbe4ec20e3304fd3eb4c2ef2", kill_on_drop: false }`
[INFO] [stdout] aca62d05673dc426ad7a2fc0081cd31df7edcb16dbe4ec20e3304fd3eb4c2ef2
[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" "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] 9c494155ee1b66e19168a1456561cfe038949553910da5c4f16388badd5e002a
[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" "9c494155ee1b66e19168a1456561cfe038949553910da5c4f16388badd5e002a", kill_on_drop: false }`
[INFO] [stderr]    Compiling to-binary v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "9c494155ee1b66e19168a1456561cfe038949553910da5c4f16388badd5e002a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c494155ee1b66e19168a1456561cfe038949553910da5c4f16388badd5e002a", kill_on_drop: false }`
[INFO] [stdout] 9c494155ee1b66e19168a1456561cfe038949553910da5c4f16388badd5e002a
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2325cd70c232f3533d953f4a01a2664cb13a7582a864b302d48cb3c5a6a49c5
[INFO] running `Command { std: "docker" "start" "-a" "e2325cd70c232f3533d953f4a01a2664cb13a7582a864b302d48cb3c5a6a49c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling to-binary v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "e2325cd70c232f3533d953f4a01a2664cb13a7582a864b302d48cb3c5a6a49c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2325cd70c232f3533d953f4a01a2664cb13a7582a864b302d48cb3c5a6a49c5", kill_on_drop: false }`
[INFO] [stdout] e2325cd70c232f3533d953f4a01a2664cb13a7582a864b302d48cb3c5a6a49c5
[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" "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] c1ef13b80c7633e2fc138b354e78e44bc20a28cd1f008bb03bd51691f10bb26f
[INFO] running `Command { std: "docker" "start" "-a" "c1ef13b80c7633e2fc138b354e78e44bc20a28cd1f008bb03bd51691f10bb26f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/to_binary-214f8eb1c690b570
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_tests-bb70110b103b16ad
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration::test_spaces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unit_tests-aa82ed0a59cebacb
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test conversion::from_str ... ok
[INFO] [stdout] test conversion::from_vector ... ok
[INFO] [stdout] test conversion::from_string ... ok
[INFO] [stdout] test conversion::from_string_japanese ... ok
[INFO] [stdout] test conversion::from_hex ... ok
[INFO] [stdout] test advanced_tests::single_byte_test_with_spaces ... ok
[INFO] [stdout] test conversion::from_hex_4_bits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests to-binary
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - BinaryString (line 28) ... ok
[INFO] [stdout] test src/lib.rs - BinaryString::add_spaces (line 253) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1ef13b80c7633e2fc138b354e78e44bc20a28cd1f008bb03bd51691f10bb26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ef13b80c7633e2fc138b354e78e44bc20a28cd1f008bb03bd51691f10bb26f", kill_on_drop: false }`
[INFO] [stdout] c1ef13b80c7633e2fc138b354e78e44bc20a28cd1f008bb03bd51691f10bb26f