[INFO] fetching crate zi 0.1.6...
[INFO] testing zi-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zi 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zi 0.1.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zi 0.1.6
[INFO] finished tweaking crates.io crate zi 0.1.6
[INFO] tweaked toml for crates.io crate zi 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate zi 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colorous v1.0.5
[INFO] [stderr]   Downloaded euclid v0.22.3
[INFO] [stderr]   Downloaded ropey v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d356c0db96b054d02fa1ec30782b0933659aaa02f68e97b30ed9cef31eb658e
[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" "9d356c0db96b054d02fa1ec30782b0933659aaa02f68e97b30ed9cef31eb658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d356c0db96b054d02fa1ec30782b0933659aaa02f68e97b30ed9cef31eb658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d356c0db96b054d02fa1ec30782b0933659aaa02f68e97b30ed9cef31eb658e", kill_on_drop: false }`
[INFO] [stdout] 9d356c0db96b054d02fa1ec30782b0933659aaa02f68e97b30ed9cef31eb658e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 9894c2a41be698f70e0cfb105232d71480472b869c59f5fc0c2cccb24aa4ae53
[INFO] running `Command { std: "docker" "start" "-a" "9894c2a41be698f70e0cfb105232d71480472b869c59f5fc0c2cccb24aa4ae53", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling ropey v1.2.0
[INFO] [stderr]    Compiling smallstr v0.2.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling euclid v0.22.3
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling zi v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.81s
[INFO] running `Command { std: "docker" "inspect" "9894c2a41be698f70e0cfb105232d71480472b869c59f5fc0c2cccb24aa4ae53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9894c2a41be698f70e0cfb105232d71480472b869c59f5fc0c2cccb24aa4ae53", kill_on_drop: false }`
[INFO] [stdout] 9894c2a41be698f70e0cfb105232d71480472b869c59f5fc0c2cccb24aa4ae53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744568a473dc3b1f933a99aa0b5b9d8b00ae59e83d8509430dc4427d216f87f5
[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" "744568a473dc3b1f933a99aa0b5b9d8b00ae59e83d8509430dc4427d216f87f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.24
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling colorous v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling regex v1.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling zi v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.68s
[INFO] running `Command { std: "docker" "inspect" "744568a473dc3b1f933a99aa0b5b9d8b00ae59e83d8509430dc4427d216f87f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744568a473dc3b1f933a99aa0b5b9d8b00ae59e83d8509430dc4427d216f87f5", kill_on_drop: false }`
[INFO] [stdout] 744568a473dc3b1f933a99aa0b5b9d8b00ae59e83d8509430dc4427d216f87f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9c167db38118a24ccca4031ceede6de85a57a106994469b82359bd1bfaecc74
[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" "a9c167db38118a24ccca4031ceede6de85a57a106994469b82359bd1bfaecc74", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zi-3f0afc198c3d95a9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test app::tests::sizes ... ok
[INFO] [stdout] test terminal::canvas::tests::size_of_style ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zi
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/app.rs - app::App::run_event_loop (line 67) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 23) - compile ... ok
[INFO] [stdout] test src/app.rs - app::App::new (line 42) ... ok
[INFO] [stdout] test src/terminal/canvas.rs - terminal::canvas::Canvas::new (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9c167db38118a24ccca4031ceede6de85a57a106994469b82359bd1bfaecc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c167db38118a24ccca4031ceede6de85a57a106994469b82359bd1bfaecc74", kill_on_drop: false }`
[INFO] [stdout] a9c167db38118a24ccca4031ceede6de85a57a106994469b82359bd1bfaecc74