[INFO] cloning repository https://github.com/bretzle/RustMallow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bretzle/RustMallow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbretzle%2FRustMallow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbretzle%2FRustMallow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 970afa67535f445ad0044614dbfdae85d92dbaf0
[INFO] testing bretzle/RustMallow against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbretzle%2FRustMallow" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bretzle/RustMallow on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bretzle/RustMallow
[INFO] finished tweaking git repo https://github.com/bretzle/RustMallow
[INFO] tweaked toml for git repo https://github.com/bretzle/RustMallow written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bretzle/RustMallow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uwl v0.4.2
[INFO] [stderr]   Downloaded audiopus v0.1.2
[INFO] [stderr]   Downloaded separator v0.4.1
[INFO] [stderr]   Downloaded command_attr v0.1.5
[INFO] [stderr]   Downloaded bindgen v0.48.1
[INFO] [stderr]   Downloaded sodiumoxide v0.2.4
[INFO] [stderr]   Downloaded audiopus_sys v0.1.5
[INFO] [stderr]   Downloaded bson v0.14.0
[INFO] [stderr]   Downloaded serenity v0.7.0
[INFO] [stderr]   Downloaded mongodb v0.4.0
[INFO] [stderr]   Downloaded libsodium-sys v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] dd82f18480de59eeb91bc4dc056e843b27f8da21ce588735a2b6b9b59aac6794
[INFO] running `Command { std: "docker" "start" "-a" "dd82f18480de59eeb91bc4dc056e843b27f8da21ce588735a2b6b9b59aac6794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd82f18480de59eeb91bc4dc056e843b27f8da21ce588735a2b6b9b59aac6794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd82f18480de59eeb91bc4dc056e843b27f8da21ce588735a2b6b9b59aac6794", kill_on_drop: false }`
[INFO] [stdout] dd82f18480de59eeb91bc4dc056e843b27f8da21ce588735a2b6b9b59aac6794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d3e538de00f539cf5401abacedd91ec65fb73c70653c560784265409c713ab2
[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" "3d3e538de00f539cf5401abacedd91ec65fb73c70653c560784265409c713ab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
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[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling cexpr v0.3.5
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[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling libsodium-sys v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling sha-1 v0.8.1
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[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tungstenite v0.9.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling colored v1.8.0
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[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling webpki v0.21.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.17.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling tokio-rustls v0.10.0
[INFO] [stderr]    Compiling hyper-rustls v0.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling command_attr v0.1.5
[INFO] [stderr]    Compiling audiopus_sys v0.1.5
[INFO] [stderr]    Compiling audiopus v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling textnonce v0.6.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling bson v0.14.0
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr]    Compiling mongodb v0.4.0
[INFO] [stderr]    Compiling sodiumoxide v0.2.4
[INFO] [stderr]    Compiling rustmallow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/commands/music.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     &mdata.play(handler);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let _ = &mdata.play(handler);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 36s
[INFO] running `Command { std: "docker" "inspect" "3d3e538de00f539cf5401abacedd91ec65fb73c70653c560784265409c713ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3e538de00f539cf5401abacedd91ec65fb73c70653c560784265409c713ab2", kill_on_drop: false }`
[INFO] [stdout] 3d3e538de00f539cf5401abacedd91ec65fb73c70653c560784265409c713ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 7a8ce641ca96918b7954b63662385ce505f86d74e77bde5c58d2bc17375b7a3e
[INFO] running `Command { std: "docker" "start" "-a" "7a8ce641ca96918b7954b63662385ce505f86d74e77bde5c58d2bc17375b7a3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustmallow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/commands/music.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     &mdata.play(handler);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let _ = &mdata.play(handler);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "7a8ce641ca96918b7954b63662385ce505f86d74e77bde5c58d2bc17375b7a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8ce641ca96918b7954b63662385ce505f86d74e77bde5c58d2bc17375b7a3e", kill_on_drop: false }`
[INFO] [stdout] 7a8ce641ca96918b7954b63662385ce505f86d74e77bde5c58d2bc17375b7a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7dd7061395f6b09cd72e1737cf8e4f7741e92821729b9466fb07714c59656444
[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" "7dd7061395f6b09cd72e1737cf8e4f7741e92821729b9466fb07714c59656444", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/commands/music.rs:94:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 94 |     &mdata.play(handler);
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let _ = &mdata.play(handler);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rustmallow` (bin "rustmallow" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustmallow-5537193f76dda268)
[INFO] running `Command { std: "docker" "inspect" "7dd7061395f6b09cd72e1737cf8e4f7741e92821729b9466fb07714c59656444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd7061395f6b09cd72e1737cf8e4f7741e92821729b9466fb07714c59656444", kill_on_drop: false }`
[INFO] [stdout] 7dd7061395f6b09cd72e1737cf8e4f7741e92821729b9466fb07714c59656444