[INFO] cloning repository https://github.com/YushiOMOTE/cargo-mrepo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YushiOMOTE/cargo-mrepo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYushiOMOTE%2Fcargo-mrepo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYushiOMOTE%2Fcargo-mrepo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c45895c1ee8119dae94b3beca45325350acdeba1
[INFO] testing YushiOMOTE/cargo-mrepo against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYushiOMOTE%2Fcargo-mrepo" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YushiOMOTE/cargo-mrepo on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YushiOMOTE/cargo-mrepo
[INFO] finished tweaking git repo https://github.com/YushiOMOTE/cargo-mrepo
[INFO] tweaked toml for git repo https://github.com/YushiOMOTE/cargo-mrepo written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/YushiOMOTE/cargo-mrepo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
[INFO] [stderr]   Downloaded structopt v0.3.18
[INFO] [stderr]   Downloaded cargo_metadata v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29adec765e1f398f4408b442bf672b8191b1cf87493396b4a7c92aaea12c6fa2
[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" "29adec765e1f398f4408b442bf672b8191b1cf87493396b4a7c92aaea12c6fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29adec765e1f398f4408b442bf672b8191b1cf87493396b4a7c92aaea12c6fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29adec765e1f398f4408b442bf672b8191b1cf87493396b4a7c92aaea12c6fa2", kill_on_drop: false }`
[INFO] [stdout] 29adec765e1f398f4408b442bf672b8191b1cf87493396b4a7c92aaea12c6fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f99bfe7944df8b731bbb6c11b56fda8d7eb68145b7b65c3df0a688de152e9f8
[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" "0f99bfe7944df8b731bbb6c11b56fda8d7eb68145b7b65c3df0a688de152e9f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling structopt v0.3.18
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling cargo_metadata v0.11.3
[INFO] [stderr]    Compiling cargo-mrepo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let opt = Opt::from_iter(args);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         repos.add(&p);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.11s
[INFO] running `Command { std: "docker" "inspect" "0f99bfe7944df8b731bbb6c11b56fda8d7eb68145b7b65c3df0a688de152e9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f99bfe7944df8b731bbb6c11b56fda8d7eb68145b7b65c3df0a688de152e9f8", kill_on_drop: false }`
[INFO] [stdout] 0f99bfe7944df8b731bbb6c11b56fda8d7eb68145b7b65c3df0a688de152e9f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9ebf67d9ebad0d23ca669d6e3b8dda610eedeb7731bb08dc8374193ec73e8df
[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" "e9ebf67d9ebad0d23ca669d6e3b8dda610eedeb7731bb08dc8374193ec73e8df", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-mrepo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let opt = Opt::from_iter(args);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         repos.add(&p);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "e9ebf67d9ebad0d23ca669d6e3b8dda610eedeb7731bb08dc8374193ec73e8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ebf67d9ebad0d23ca669d6e3b8dda610eedeb7731bb08dc8374193ec73e8df", kill_on_drop: false }`
[INFO] [stdout] e9ebf67d9ebad0d23ca669d6e3b8dda610eedeb7731bb08dc8374193ec73e8df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d96ec73edd0e882369224a5a2581d2f15c451c8a76357466d41ef9dd441314bc
[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" "d96ec73edd0e882369224a5a2581d2f15c451c8a76357466d41ef9dd441314bc", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let opt = Opt::from_iter(args);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         repos.add(&p);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_mrepo-df2f4f8c761ab951
[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" "d96ec73edd0e882369224a5a2581d2f15c451c8a76357466d41ef9dd441314bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96ec73edd0e882369224a5a2581d2f15c451c8a76357466d41ef9dd441314bc", kill_on_drop: false }`
[INFO] [stdout] d96ec73edd0e882369224a5a2581d2f15c451c8a76357466d41ef9dd441314bc