[INFO] cloning repository https://github.com/anon8675309/muck-up-x
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anon8675309/muck-up-x" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanon8675309%2Fmuck-up-x", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanon8675309%2Fmuck-up-x'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c937048257f4adc7f2b6d94e7d53c566e85029d3
[INFO] testing anon8675309/muck-up-x 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%2Fanon8675309%2Fmuck-up-x" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anon8675309/muck-up-x 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/anon8675309/muck-up-x
[INFO] finished tweaking git repo https://github.com/anon8675309/muck-up-x
[INFO] tweaked toml for git repo https://github.com/anon8675309/muck-up-x written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/anon8675309/muck-up-x 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 x11 v2.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 08aa57bdc12c1971608aadd5192c625c7bb3753ca0111473546ef5435f4508dd
[INFO] running `Command { std: "docker" "start" "-a" "08aa57bdc12c1971608aadd5192c625c7bb3753ca0111473546ef5435f4508dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08aa57bdc12c1971608aadd5192c625c7bb3753ca0111473546ef5435f4508dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08aa57bdc12c1971608aadd5192c625c7bb3753ca0111473546ef5435f4508dd", kill_on_drop: false }`
[INFO] [stdout] 08aa57bdc12c1971608aadd5192c625c7bb3753ca0111473546ef5435f4508dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8215f11045bccdc76d2516c44df561c3e32d3974eba57ba20a7b227aef8f604
[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" "a8215f11045bccdc76d2516c44df561c3e32d3974eba57ba20a7b227aef8f604", kill_on_drop: false }`
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling muck-up-x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             status = x11::xlib::XGetWindowAttributes(display, w, &mut attrs);
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "a8215f11045bccdc76d2516c44df561c3e32d3974eba57ba20a7b227aef8f604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8215f11045bccdc76d2516c44df561c3e32d3974eba57ba20a7b227aef8f604", kill_on_drop: false }`
[INFO] [stdout] a8215f11045bccdc76d2516c44df561c3e32d3974eba57ba20a7b227aef8f604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 1b48f90995a9457057cedddb47cd3b7c0662cd01c44f2998df58831d4a7cdaf0
[INFO] running `Command { std: "docker" "start" "-a" "1b48f90995a9457057cedddb47cd3b7c0662cd01c44f2998df58831d4a7cdaf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling muck-up-x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             status = x11::xlib::XGetWindowAttributes(display, w, &mut attrs);
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "1b48f90995a9457057cedddb47cd3b7c0662cd01c44f2998df58831d4a7cdaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b48f90995a9457057cedddb47cd3b7c0662cd01c44f2998df58831d4a7cdaf0", kill_on_drop: false }`
[INFO] [stdout] 1b48f90995a9457057cedddb47cd3b7c0662cd01c44f2998df58831d4a7cdaf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea8933452b293ffafcebdbdc7d445b810a0eccfa8ae668f562e18820b5d316a1
[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" "ea8933452b293ffafcebdbdc7d445b810a0eccfa8ae668f562e18820b5d316a1", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `status` is never read
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             status = x11::xlib::XGetWindowAttributes(display, w, &mut attrs);
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/muck_up_x-ab27107f51384860
[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" "ea8933452b293ffafcebdbdc7d445b810a0eccfa8ae668f562e18820b5d316a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8933452b293ffafcebdbdc7d445b810a0eccfa8ae668f562e18820b5d316a1", kill_on_drop: false }`
[INFO] [stdout] ea8933452b293ffafcebdbdc7d445b810a0eccfa8ae668f562e18820b5d316a1