[INFO] cloning repository https://github.com/synecdokey/viper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/synecdokey/viper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynecdokey%2Fviper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynecdokey%2Fviper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66e9ccd6fe00f24c4caf6f73620815a59e554564
[INFO] testing synecdokey/viper against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynecdokey%2Fviper" "/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/synecdokey/viper on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/synecdokey/viper
[INFO] finished tweaking git repo https://github.com/synecdokey/viper
[INFO] tweaked toml for git repo https://github.com/synecdokey/viper written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/synecdokey/viper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 774c688374200617806d77067ff2effa32d92b038b2c8a3f1e06ce66d36d35ab
[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" "774c688374200617806d77067ff2effa32d92b038b2c8a3f1e06ce66d36d35ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "774c688374200617806d77067ff2effa32d92b038b2c8a3f1e06ce66d36d35ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774c688374200617806d77067ff2effa32d92b038b2c8a3f1e06ce66d36d35ab", kill_on_drop: false }`
[INFO] [stdout] 774c688374200617806d77067ff2effa32d92b038b2c8a3f1e06ce66d36d35ab
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af9b6eab198b453dcc8223e31540ece2af344a61149ece2612e133c50e45edd4
[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" "af9b6eab198b453dcc8223e31540ece2af344a61149ece2612e133c50e45edd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ropey v1.2.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling viper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/coordinates.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VisualBlock`
[INFO] [stdout]  --> src/mode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     VisualBlock,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "af9b6eab198b453dcc8223e31540ece2af344a61149ece2612e133c50e45edd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9b6eab198b453dcc8223e31540ece2af344a61149ece2612e133c50e45edd4", kill_on_drop: false }`
[INFO] [stdout] af9b6eab198b453dcc8223e31540ece2af344a61149ece2612e133c50e45edd4
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] d506840554281e12eee60a73d4c413c87dcd135e77b9705b05d02c6fe24e5e71
[INFO] running `Command { std: "docker" "start" "-a" "d506840554281e12eee60a73d4c413c87dcd135e77b9705b05d02c6fe24e5e71", kill_on_drop: false }`
[INFO] [stderr]    Compiling viper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/coordinates.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VisualBlock`
[INFO] [stdout]  --> src/mode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     VisualBlock,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "d506840554281e12eee60a73d4c413c87dcd135e77b9705b05d02c6fe24e5e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d506840554281e12eee60a73d4c413c87dcd135e77b9705b05d02c6fe24e5e71", kill_on_drop: false }`
[INFO] [stdout] d506840554281e12eee60a73d4c413c87dcd135e77b9705b05d02c6fe24e5e71
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2621022c4e5bac27c0e5367d3cfdfd34e5fdb1f31f1ffe8f4519c415ede40627
[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" "2621022c4e5bac27c0e5367d3cfdfd34e5fdb1f31f1ffe8f4519c415ede40627", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/coordinates.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new() -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VisualBlock`
[INFO] [stderr]  --> src/mode.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     VisualBlock,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/viper-30602b3fea2e37e8
[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" "2621022c4e5bac27c0e5367d3cfdfd34e5fdb1f31f1ffe8f4519c415ede40627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2621022c4e5bac27c0e5367d3cfdfd34e5fdb1f31f1ffe8f4519c415ede40627", kill_on_drop: false }`
[INFO] [stdout] 2621022c4e5bac27c0e5367d3cfdfd34e5fdb1f31f1ffe8f4519c415ede40627