[INFO] cloning repository https://github.com/udoprog/discord-chat-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udoprog/discord-chat-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fdiscord-chat-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fdiscord-chat-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34b6a4e443daea7b2b5959e5d44ef612e8325919
[INFO] testing udoprog/discord-chat-stats against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Fdiscord-chat-stats" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/udoprog/discord-chat-stats 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/udoprog/discord-chat-stats
[INFO] finished tweaking git repo https://github.com/udoprog/discord-chat-stats
[INFO] tweaked toml for git repo https://github.com/udoprog/discord-chat-stats written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/udoprog/discord-chat-stats 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d540ee78dc7298a3561192be335da2e4ae6bcc64ce441297afa0c8e061515a0d
[INFO] running `Command { std: "docker" "start" "-a" "d540ee78dc7298a3561192be335da2e4ae6bcc64ce441297afa0c8e061515a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d540ee78dc7298a3561192be335da2e4ae6bcc64ce441297afa0c8e061515a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d540ee78dc7298a3561192be335da2e4ae6bcc64ce441297afa0c8e061515a0d", kill_on_drop: false }`
[INFO] [stdout] d540ee78dc7298a3561192be335da2e4ae6bcc64ce441297afa0c8e061515a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cd6d81bb487dd2547a98cc100f6f8f32f41f654016751602a9659a44fcde4b6b
[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" "cd6d81bb487dd2547a98cc100f6f8f32f41f654016751602a9659a44fcde4b6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling argwerk v0.16.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling font-kit v0.7.1
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling plotters-bitmap v0.3.0
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling chat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.32s
[INFO] running `Command { std: "docker" "inspect" "cd6d81bb487dd2547a98cc100f6f8f32f41f654016751602a9659a44fcde4b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6d81bb487dd2547a98cc100f6f8f32f41f654016751602a9659a44fcde4b6b", kill_on_drop: false }`
[INFO] [stdout] cd6d81bb487dd2547a98cc100f6f8f32f41f654016751602a9659a44fcde4b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 462efa223a68a0bac17863619a245cd8656c4c6965945e66488d5508f5479f03
[INFO] running `Command { std: "docker" "start" "-a" "462efa223a68a0bac17863619a245cd8656c4c6965945e66488d5508f5479f03", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "462efa223a68a0bac17863619a245cd8656c4c6965945e66488d5508f5479f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462efa223a68a0bac17863619a245cd8656c4c6965945e66488d5508f5479f03", kill_on_drop: false }`
[INFO] [stdout] 462efa223a68a0bac17863619a245cd8656c4c6965945e66488d5508f5479f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5b3acee88303b53381a27a80dbfd85dce4a034162be2e7abe16591ac3011083b
[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" "5b3acee88303b53381a27a80dbfd85dce4a034162be2e7abe16591ac3011083b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat-f16c769d0a9f9521)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat-dfb825b282fa5ba0)
[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] [stdout] 
[INFO] [stderr]    Doc-tests chat
[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] [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" "5b3acee88303b53381a27a80dbfd85dce4a034162be2e7abe16591ac3011083b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3acee88303b53381a27a80dbfd85dce4a034162be2e7abe16591ac3011083b", kill_on_drop: false }`
[INFO] [stdout] 5b3acee88303b53381a27a80dbfd85dce4a034162be2e7abe16591ac3011083b