[INFO] cloning repository https://github.com/dnaka91/twixelwall-drawer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnaka91/twixelwall-drawer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Ftwixelwall-drawer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Ftwixelwall-drawer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aea0c4d290a6c47ebd62125204fa3a0750fa38b
[INFO] testing dnaka91/twixelwall-drawer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Ftwixelwall-drawer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnaka91/twixelwall-drawer 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 git repo https://github.com/dnaka91/twixelwall-drawer
[INFO] finished tweaking git repo https://github.com/dnaka91/twixelwall-drawer
[INFO] tweaked toml for git repo https://github.com/dnaka91/twixelwall-drawer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dnaka91/twixelwall-drawer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded nanorand v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d87d1e62a3aba97d7db6a31184ebfadef24614610e8b267c9a40c6918eeed359
[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" "d87d1e62a3aba97d7db6a31184ebfadef24614610e8b267c9a40c6918eeed359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87d1e62a3aba97d7db6a31184ebfadef24614610e8b267c9a40c6918eeed359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87d1e62a3aba97d7db6a31184ebfadef24614610e8b267c9a40c6918eeed359", kill_on_drop: false }`
[INFO] [stdout] d87d1e62a3aba97d7db6a31184ebfadef24614610e8b267c9a40c6918eeed359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 1067cb3b3bb76d1ab94db2dbb86ec17f9a136d8b6bc6c19f54c4938d889c8d77
[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" "1067cb3b3bb76d1ab94db2dbb86ec17f9a136d8b6bc6c19f54c4938d889c8d77", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling irc-proto v0.15.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling irc v0.15.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling twixelwall-drawer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.94s
[INFO] running `Command { std: "docker" "inspect" "1067cb3b3bb76d1ab94db2dbb86ec17f9a136d8b6bc6c19f54c4938d889c8d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1067cb3b3bb76d1ab94db2dbb86ec17f9a136d8b6bc6c19f54c4938d889c8d77", kill_on_drop: false }`
[INFO] [stdout] 1067cb3b3bb76d1ab94db2dbb86ec17f9a136d8b6bc6c19f54c4938d889c8d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e08eb39e3b80b140d1fb91940ec2e6cddcddac4d41af3306459245eb2cb68549
[INFO] running `Command { std: "docker" "start" "-a" "e08eb39e3b80b140d1fb91940ec2e6cddcddac4d41af3306459245eb2cb68549", kill_on_drop: false }`
[INFO] [stderr]    Compiling twixelwall-drawer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "e08eb39e3b80b140d1fb91940ec2e6cddcddac4d41af3306459245eb2cb68549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08eb39e3b80b140d1fb91940ec2e6cddcddac4d41af3306459245eb2cb68549", kill_on_drop: false }`
[INFO] [stdout] e08eb39e3b80b140d1fb91940ec2e6cddcddac4d41af3306459245eb2cb68549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4004c3bd6c2b79835a94bee32bfd178e17f9117a523b4a60b83701f1e9fcc7d1
[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" "4004c3bd6c2b79835a94bee32bfd178e17f9117a523b4a60b83701f1e9fcc7d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twixelwall_drawer-55605ec3f722b788)
[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" "4004c3bd6c2b79835a94bee32bfd178e17f9117a523b4a60b83701f1e9fcc7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4004c3bd6c2b79835a94bee32bfd178e17f9117a523b4a60b83701f1e9fcc7d1", kill_on_drop: false }`
[INFO] [stdout] 4004c3bd6c2b79835a94bee32bfd178e17f9117a523b4a60b83701f1e9fcc7d1