[INFO] updating cached repository https://github.com/FauxFaux/rust-tone
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fe0de95843a4d193e8df15e24c3122c89eb3736
[INFO] testing FauxFaux/rust-tone against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Frust-tone" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/rust-tone on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FauxFaux/rust-tone
[INFO] finished tweaking git repo https://github.com/FauxFaux/rust-tone
[INFO] tweaked toml for git repo https://github.com/FauxFaux/rust-tone written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/rust-tone already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6adae1a90eb803be254640227dfef7dddb5f4b33c54036e9eef2e9c3c9b21dfa
[INFO] running `"docker" "start" "-a" "6adae1a90eb803be254640227dfef7dddb5f4b33c54036e9eef2e9c3c9b21dfa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling libpulse-sys v1.1.0
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling libpulse-simple-sys v1.1.0
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.4
[INFO] [stderr]    Compiling enumset v0.3.10
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling chan-signal v0.3.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling libpulse-binding v1.2.0
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling libpulse-simple-binding v1.2.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling enum-map v0.2.35
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling cursive v0.8.2
[INFO] [stderr]    Compiling rust-tone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `Simple` is imported redundantly
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | use psimple::Simple;
[INFO] [stderr]    |     --------------- the item `Simple` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use psimple::Simple;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.29s
[INFO] running `"docker" "inspect" "6adae1a90eb803be254640227dfef7dddb5f4b33c54036e9eef2e9c3c9b21dfa"`
[INFO] running `"docker" "rm" "-f" "6adae1a90eb803be254640227dfef7dddb5f4b33c54036e9eef2e9c3c9b21dfa"`
[INFO] [stdout] 6adae1a90eb803be254640227dfef7dddb5f4b33c54036e9eef2e9c3c9b21dfa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8654c45633d6c0d02a4cf1482ffd7fa31afe2d9e3c4eadebc2a3c9e519702583
[INFO] running `"docker" "start" "-a" "8654c45633d6c0d02a4cf1482ffd7fa31afe2d9e3c4eadebc2a3c9e519702583"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-tone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `Simple` is imported redundantly
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | use psimple::Simple;
[INFO] [stderr]    |     --------------- the item `Simple` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use psimple::Simple;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "8654c45633d6c0d02a4cf1482ffd7fa31afe2d9e3c4eadebc2a3c9e519702583"`
[INFO] running `"docker" "rm" "-f" "8654c45633d6c0d02a4cf1482ffd7fa31afe2d9e3c4eadebc2a3c9e519702583"`
[INFO] [stdout] 8654c45633d6c0d02a4cf1482ffd7fa31afe2d9e3c4eadebc2a3c9e519702583
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] b6415dcc2dad3b257c2e53fed7eec03d3c260f07e40b841b1b6012919a7a897e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b6415dcc2dad3b257c2e53fed7eec03d3c260f07e40b841b1b6012919a7a897e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: the item `Simple` is imported redundantly
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | use psimple::Simple;
[INFO] [stderr]    |     --------------- the item `Simple` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use psimple::Simple;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_tone-042d24b01b21c38f
[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 `"docker" "inspect" "b6415dcc2dad3b257c2e53fed7eec03d3c260f07e40b841b1b6012919a7a897e"`
[INFO] running `"docker" "rm" "-f" "b6415dcc2dad3b257c2e53fed7eec03d3c260f07e40b841b1b6012919a7a897e"`
[INFO] [stdout] b6415dcc2dad3b257c2e53fed7eec03d3c260f07e40b841b1b6012919a7a897e