[INFO] cloning repository https://github.com/RoryNickolls/slice-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RoryNickolls/slice-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoryNickolls%2Fslice-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoryNickolls%2Fslice-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 011083c62548e7ee040d0a506616432a0e624a3c
[INFO] testing RoryNickolls/slice-cli against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoryNickolls%2Fslice-cli" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RoryNickolls/slice-cli 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/RoryNickolls/slice-cli
[INFO] finished tweaking git repo https://github.com/RoryNickolls/slice-cli
[INFO] tweaked toml for git repo https://github.com/RoryNickolls/slice-cli written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/RoryNickolls/slice-cli 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] [stdout] 275f6754b0da700a672f9348d1a5dc7f8e3d12f3b274317950cb3c34f45873fe
[INFO] running `Command { std: "docker" "start" "-a" "275f6754b0da700a672f9348d1a5dc7f8e3d12f3b274317950cb3c34f45873fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275f6754b0da700a672f9348d1a5dc7f8e3d12f3b274317950cb3c34f45873fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275f6754b0da700a672f9348d1a5dc7f8e3d12f3b274317950cb3c34f45873fe", kill_on_drop: false }`
[INFO] [stdout] 275f6754b0da700a672f9348d1a5dc7f8e3d12f3b274317950cb3c34f45873fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 290cd831faa0db464457c0d56528e2d481addc0781f79043496b4d059f68da59
[INFO] running `Command { std: "docker" "start" "-a" "290cd831faa0db464457c0d56528e2d481addc0781f79043496b4d059f68da59", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/world.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             write!(f, "{}\n", line);
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "290cd831faa0db464457c0d56528e2d481addc0781f79043496b4d059f68da59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290cd831faa0db464457c0d56528e2d481addc0781f79043496b4d059f68da59", kill_on_drop: false }`
[INFO] [stdout] 290cd831faa0db464457c0d56528e2d481addc0781f79043496b4d059f68da59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] [stdout] 0b810e363c1b196ecefb1a4e69aa3e2e663aa5111fdc176cfa8fba632b77d258
[INFO] running `Command { std: "docker" "start" "-a" "0b810e363c1b196ecefb1a4e69aa3e2e663aa5111fdc176cfa8fba632b77d258", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/world.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             write!(f, "{}\n", line);
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0b810e363c1b196ecefb1a4e69aa3e2e663aa5111fdc176cfa8fba632b77d258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b810e363c1b196ecefb1a4e69aa3e2e663aa5111fdc176cfa8fba632b77d258", kill_on_drop: false }`
[INFO] [stdout] 0b810e363c1b196ecefb1a4e69aa3e2e663aa5111fdc176cfa8fba632b77d258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 0769d182f08f86d4fb6f19ae5159f7b09829a23d2a29f3cc4a096079721f98fc
[INFO] running `Command { std: "docker" "start" "-a" "0769d182f08f86d4fb6f19ae5159f7b09829a23d2a29f3cc4a096079721f98fc", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/world.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             write!(f, "{}\n", line);
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `slice-cli` (bin "slice-cli" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice_cli-11967e1c5d0f1aab)
[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" "0769d182f08f86d4fb6f19ae5159f7b09829a23d2a29f3cc4a096079721f98fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0769d182f08f86d4fb6f19ae5159f7b09829a23d2a29f3cc4a096079721f98fc", kill_on_drop: false }`
[INFO] [stdout] 0769d182f08f86d4fb6f19ae5159f7b09829a23d2a29f3cc4a096079721f98fc