[INFO] cloning repository https://github.com/Inityx/os-matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Inityx/os-matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInityx%2Fos-matrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInityx%2Fos-matrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc5fea762e77e52405a5e4c3dcd5ebc80fe13a70
[INFO] testing Inityx/os-matrix against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInityx%2Fos-matrix" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Inityx/os-matrix 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 git repo https://github.com/Inityx/os-matrix
[INFO] finished tweaking git repo https://github.com/Inityx/os-matrix
[INFO] tweaked toml for git repo https://github.com/Inityx/os-matrix written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Inityx/os-matrix 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3e05b8706c1a61d2111039bdcdf5133262f2d57f426f12f24602e297dc09646d
[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" "3e05b8706c1a61d2111039bdcdf5133262f2d57f426f12f24602e297dc09646d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e05b8706c1a61d2111039bdcdf5133262f2d57f426f12f24602e297dc09646d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e05b8706c1a61d2111039bdcdf5133262f2d57f426f12f24602e297dc09646d", kill_on_drop: false }`
[INFO] [stdout] 3e05b8706c1a61d2111039bdcdf5133262f2d57f426f12f24602e297dc09646d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7506804d60ce2afc002cdd962ca65a7f580703b58a5e953e9e2d3fe09591676d
[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" "7506804d60ce2afc002cdd962ca65a7f580703b58a5e953e9e2d3fe09591676d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling os-matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matrix.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |     type Err = Box<::std::error::Error>;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | type BoxedError = Box<std::error::Error>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "7506804d60ce2afc002cdd962ca65a7f580703b58a5e953e9e2d3fe09591676d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7506804d60ce2afc002cdd962ca65a7f580703b58a5e953e9e2d3fe09591676d", kill_on_drop: false }`
[INFO] [stdout] 7506804d60ce2afc002cdd962ca65a7f580703b58a5e953e9e2d3fe09591676d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] d9a39fe5782f84f188677e0a02c20e1bb307d13e95f9da03bb43a3336cc0b906
[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" "d9a39fe5782f84f188677e0a02c20e1bb307d13e95f9da03bb43a3336cc0b906", kill_on_drop: false }`
[INFO] [stderr]    Compiling os-matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/matrix.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/matrix.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |     type Err = Box<::std::error::Error>;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | type BoxedError = Box<std::error::Error>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "d9a39fe5782f84f188677e0a02c20e1bb307d13e95f9da03bb43a3336cc0b906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a39fe5782f84f188677e0a02c20e1bb307d13e95f9da03bb43a3336cc0b906", kill_on_drop: false }`
[INFO] [stdout] d9a39fe5782f84f188677e0a02c20e1bb307d13e95f9da03bb43a3336cc0b906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f0e90e7c3aa8f2371fa83536c1c5584fd008916dacdad612f886d0856fb2b70b
[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" "f0e90e7c3aa8f2371fa83536c1c5584fd008916dacdad612f886d0856fb2b70b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/matrix.rs:17:32
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/matrix.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |     type Err = Box<::std::error::Error>;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 | type BoxedError = Box<std::error::Error>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/os_matrix-244bf4eebbf43b4b
[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" "f0e90e7c3aa8f2371fa83536c1c5584fd008916dacdad612f886d0856fb2b70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e90e7c3aa8f2371fa83536c1c5584fd008916dacdad612f886d0856fb2b70b", kill_on_drop: false }`
[INFO] [stdout] f0e90e7c3aa8f2371fa83536c1c5584fd008916dacdad612f886d0856fb2b70b