[INFO] fetching crate muter 0.5.0...
[INFO] testing muter-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate muter 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate muter 0.5.0 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 muter 0.5.0
[INFO] finished tweaking crates.io crate muter 0.5.0
[INFO] tweaked toml for crates.io crate muter 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate muter 0.5.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 29f50e44f185c8b73b73a0858f8f412cb5a162b2f2dc39fdc782abc51a05195b
[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" "29f50e44f185c8b73b73a0858f8f412cb5a162b2f2dc39fdc782abc51a05195b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29f50e44f185c8b73b73a0858f8f412cb5a162b2f2dc39fdc782abc51a05195b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f50e44f185c8b73b73a0858f8f412cb5a162b2f2dc39fdc782abc51a05195b", kill_on_drop: false }`
[INFO] [stdout] 29f50e44f185c8b73b73a0858f8f412cb5a162b2f2dc39fdc782abc51a05195b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4e2249b83ebf574ab742707642dbb3b131c8c737c41486b49502428a593c160d
[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" "4e2249b83ebf574ab742707642dbb3b131c8c737c41486b49502428a593c160d", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.63
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling multi_reader v0.1.0
[INFO] [stderr]    Compiling muter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling locale_config v0.2.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling gettext-sys v0.19.9
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling gettext-rs v0.4.4
[INFO] [stderr]    Compiling tr v0.1.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.14s
[INFO] running `Command { std: "docker" "inspect" "4e2249b83ebf574ab742707642dbb3b131c8c737c41486b49502428a593c160d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2249b83ebf574ab742707642dbb3b131c8c737c41486b49502428a593c160d", kill_on_drop: false }`
[INFO] [stdout] 4e2249b83ebf574ab742707642dbb3b131c8c737c41486b49502428a593c160d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 6e28c7bcec48fa71a32e415282f9fefed503fe7d9dc479234c2a28353d3f46a0
[INFO] running `Command { std: "docker" "start" "-a" "6e28c7bcec48fa71a32e415282f9fefed503fe7d9dc479234c2a28353d3f46a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pretty_assertions v0.5.1
[INFO] [stderr]    Compiling muter v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.78s
[INFO] running `Command { std: "docker" "inspect" "6e28c7bcec48fa71a32e415282f9fefed503fe7d9dc479234c2a28353d3f46a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e28c7bcec48fa71a32e415282f9fefed503fe7d9dc479234c2a28353d3f46a0", kill_on_drop: false }`
[INFO] [stdout] 6e28c7bcec48fa71a32e415282f9fefed503fe7d9dc479234c2a28353d3f46a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] a28dd56e602fade3b55c9b676f558c55768e3c9d9997fc385087182e3db391f5
[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" "a28dd56e602fade3b55c9b676f558c55768e3c9d9997fc385087182e3db391f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/muter-0ef158b10208e8b4
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stdout] test chain::tests::parses_comma_split_names ... ok
[INFO] [stdout] test chain::tests::rejects_invalid_data ... ok
[INFO] [stdout] test chain::tests::parses_names_with_arguments ... ok
[INFO] [stdout] test codec::codecs::ascii85::tests::known_values_ascii85 ... ok
[INFO] [stdout] test chain::tests::parses_simple_names ... ok
[INFO] [stdout] test codec::codecs::base64::tests::encodes_bytes_base64 ... ok
[INFO] [stdout] test codec::codecs::base64::tests::known_values_base64 ... ok
[INFO] [stdout] test codec::codecs::base64::tests::encodes_bytes_url64 ... ok
[INFO] [stdout] test codec::codecs::base64::tests::known_values_url64 ... ok
[INFO] [stdout] test chain::tests::parses_complex_chains ... ok
[INFO] [stdout] test codec::codecs::base16::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::base32::tests::encodes_bytes_base32hex ... ok
[INFO] [stdout] test codec::codecs::hash::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::base32::tests::known_values ... ok
[INFO] [stdout] test codec::codecs::bubblebabble::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::ascii85::tests::encodes_bytes_ascii85 ... ok
[INFO] [stdout] test codec::codecs::base32::tests::encodes_bytes_base32 ... ok
[INFO] [stdout] test chain::tests::parses_parenthesized_names ... ok
[INFO] [stdout] test codec::codecs::crlf::tests::known_values ... ok
[INFO] [stdout] test codec::codecs::crlf::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::lf::tests::expected_values ... ok
[INFO] [stdout] test codec::codecs::hex::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::identity::tests::makes_no_change ... ok
[INFO] [stdout] test codec::codecs::quotedprintable::tests::known_values ... ok
[INFO] [stdout] test codec::codecs::hex::tests::known_values ... ok
[INFO] [stdout] test codec::codecs::quotedprintable::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::lf::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::quotedprintable::tests::rejects_invalid ... ok
[INFO] [stdout] test codec::codecs::quotedprintable::tests::rejects_invalid_length ... ok
[INFO] [stdout] test codec::codecs::quotedprintable::tests::wrapping ... ok
[INFO] [stdout] test codec::codecs::tests::too_small_buffer ... ok
[INFO] [stdout] test codec::codecs::tests::known_breakages ... ok
[INFO] [stdout] test codec::codecs::uri::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::uri::tests::encodes_bytes_uri ... ok
[INFO] [stdout] test codec::codecs::uri::tests::encodes_bytes_form ... ok
[INFO] [stdout] test codec::codecs::uri::tests::known_values_form ... ok
[INFO] [stdout] test codec::codecs::uri::tests::known_values_uri ... ok
[INFO] [stdout] test codec::codecs::uri::tests::rejects_invalid_form ... ok
[INFO] [stdout] test codec::codecs::uri::tests::rejects_invalid_uri ... ok
[INFO] [stdout] test codec::codecs::identity::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::uuencode::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::uuencode::tests::known_values ... ok
[INFO] [stdout] test codec::codecs::quotedprintable::tests::round_trip ... ok
[INFO] [stdout] test codec::codecs::vis::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::vis::tests::known_values ... ok
[INFO] [stdout] test codec::codecs::vis::tests::rejects_invalid ... ok
[INFO] [stdout] test codec::codecs::wrap::tests::known_values ... ok
[INFO] [stdout] test codec::codecs::wrap::tests::rejects_invalid_length ... ok
[INFO] [stdout] test codec::codecs::wrap::tests::round_trip ... ok
[INFO] [stdout] test codec::codecs::wrap::tests::wrapping ... ok
[INFO] [stdout] test codec::codecs::xml::tests::decodes_bytes ... ok
[INFO] [stdout] test codec::codecs::crlf::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::xml::tests::encodes_bytes ... ok
[INFO] [stdout] test codec::codecs::xml::tests::rejects_invalid ... ok
[INFO] [stdout] test codec::helpers::codecs::tests::affix_works_correctly ... ok
[INFO] [stdout] test codec::helpers::codecs::tests::pads_decoding_correctly ... ok
[INFO] [stdout] test codec::helpers::codecs::tests::pads_encoding_correctly ... ok
[INFO] [stdout] test codec::registry::tests::can_fetch_insertable ... ok
[INFO] [stdout] test codec::registry::tests::iterates_in_sorted_order ... ok
[INFO] [stdout] test codec::codecs::base64::tests::default_tests_url64 ... ok
[INFO] [stdout] test codec::codecs::bubblebabble::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::uuencode::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::base32::tests::default_tests_base32 ... ok
[INFO] [stdout] test codec::codecs::base32::tests::default_tests_base32hex ... ok
[INFO] [stdout] test codec::codecs::base64::tests::default_tests_base64 ... ok
[INFO] [stdout] test codec::codecs::base16::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::uri::tests::round_trip_form ... ok
[INFO] [stdout] test codec::codecs::uri::tests::round_trip_uri ... ok
[INFO] [stdout] test codec::codecs::ascii85::tests::default_tests_ascii85 ... ok
[INFO] [stdout] test codec::codecs::xml::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::tests::round_trip ... ok
[INFO] [stdout] test codec::codecs::hex::tests::default_tests ... ok
[INFO] [stdout] test codec::codecs::hash::tests::expected_values ... ok
[INFO] [stdout] test codec::codecs::vis::tests::default_tests ... test codec::codecs::vis::tests::default_tests has been running for over 60 seconds
[INFO] [stdout] test codec::codecs::vis::tests::default_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/muter-28aaf1f9b5197661
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests muter
[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 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" "a28dd56e602fade3b55c9b676f558c55768e3c9d9997fc385087182e3db391f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28dd56e602fade3b55c9b676f558c55768e3c9d9997fc385087182e3db391f5", kill_on_drop: false }`
[INFO] [stdout] a28dd56e602fade3b55c9b676f558c55768e3c9d9997fc385087182e3db391f5