[INFO] fetching crate mdt8 0.2.0...
[INFO] testing mdt8-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mdt8 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mdt8 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdt8 0.2.0
[INFO] finished tweaking crates.io crate mdt8 0.2.0
[INFO] tweaked toml for crates.io crate mdt8 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mdt8 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.51
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 1d248a1b7c81b54e2bc5c3c94d3bf838d6404a82c13f01e3946006c0602cd850
[INFO] running `Command { std: "docker" "start" "-a" "1d248a1b7c81b54e2bc5c3c94d3bf838d6404a82c13f01e3946006c0602cd850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d248a1b7c81b54e2bc5c3c94d3bf838d6404a82c13f01e3946006c0602cd850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d248a1b7c81b54e2bc5c3c94d3bf838d6404a82c13f01e3946006c0602cd850", kill_on_drop: false }`
[INFO] [stdout] 1d248a1b7c81b54e2bc5c3c94d3bf838d6404a82c13f01e3946006c0602cd850
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 2e1719dbebea3d188e5345f4606d09f98947b4ebf44521ba171f0cc756e9b9c5
[INFO] running `Command { std: "docker" "start" "-a" "2e1719dbebea3d188e5345f4606d09f98947b4ebf44521ba171f0cc756e9b9c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling mdt8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.69s
[INFO] running `Command { std: "docker" "inspect" "2e1719dbebea3d188e5345f4606d09f98947b4ebf44521ba171f0cc756e9b9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1719dbebea3d188e5345f4606d09f98947b4ebf44521ba171f0cc756e9b9c5", kill_on_drop: false }`
[INFO] [stdout] 2e1719dbebea3d188e5345f4606d09f98947b4ebf44521ba171f0cc756e9b9c5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] c9bb606ec34ff54948c1510a8c0f5f3dd9d59817b7506659cd6600699156e095
[INFO] running `Command { std: "docker" "start" "-a" "c9bb606ec34ff54948c1510a8c0f5f3dd9d59817b7506659cd6600699156e095", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdt8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "c9bb606ec34ff54948c1510a8c0f5f3dd9d59817b7506659cd6600699156e095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9bb606ec34ff54948c1510a8c0f5f3dd9d59817b7506659cd6600699156e095", kill_on_drop: false }`
[INFO] [stdout] c9bb606ec34ff54948c1510a8c0f5f3dd9d59817b7506659cd6600699156e095
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 7653e8ea5d17244f10547820730d042940e1609d2f0e23bce4fdade1b45d99d1
[INFO] running `Command { std: "docker" "start" "-a" "7653e8ea5d17244f10547820730d042940e1609d2f0e23bce4fdade1b45d99d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdt8-947a807e1f7b3510)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7653e8ea5d17244f10547820730d042940e1609d2f0e23bce4fdade1b45d99d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7653e8ea5d17244f10547820730d042940e1609d2f0e23bce4fdade1b45d99d1", kill_on_drop: false }`
[INFO] [stdout] 7653e8ea5d17244f10547820730d042940e1609d2f0e23bce4fdade1b45d99d1