[INFO] cloning repository https://github.com/denniswebb/single-channel-slack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denniswebb/single-channel-slack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenniswebb%2Fsingle-channel-slack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenniswebb%2Fsingle-channel-slack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58bd2cf30ba265f93e630575d559319b3e589680
[INFO] testing denniswebb/single-channel-slack 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%2Fdenniswebb%2Fsingle-channel-slack" "/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/denniswebb/single-channel-slack 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/denniswebb/single-channel-slack
[INFO] finished tweaking git repo https://github.com/denniswebb/single-channel-slack
[INFO] tweaked toml for git repo https://github.com/denniswebb/single-channel-slack written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/denniswebb/single-channel-slack 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] 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] 36d9c06465f51625c97a8921f7a7c887facb578dd9125585d4c70ad12f0fcdef
[INFO] running `Command { std: "docker" "start" "-a" "36d9c06465f51625c97a8921f7a7c887facb578dd9125585d4c70ad12f0fcdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d9c06465f51625c97a8921f7a7c887facb578dd9125585d4c70ad12f0fcdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d9c06465f51625c97a8921f7a7c887facb578dd9125585d4c70ad12f0fcdef", kill_on_drop: false }`
[INFO] [stdout] 36d9c06465f51625c97a8921f7a7c887facb578dd9125585d4c70ad12f0fcdef
[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] 7a49ab77c064430c0e4cd40e377abfe4b2fa2a0a0936746c2500240cf00e58bd
[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" "7a49ab77c064430c0e4cd40e377abfe4b2fa2a0a0936746c2500240cf00e58bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling single-channel-slack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "7a49ab77c064430c0e4cd40e377abfe4b2fa2a0a0936746c2500240cf00e58bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a49ab77c064430c0e4cd40e377abfe4b2fa2a0a0936746c2500240cf00e58bd", kill_on_drop: false }`
[INFO] [stdout] 7a49ab77c064430c0e4cd40e377abfe4b2fa2a0a0936746c2500240cf00e58bd
[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] 2b633d1020216da1363b0475490d68589f9b6d0ba1f7647f2dbe608de4a5ffa6
[INFO] running `Command { std: "docker" "start" "-a" "2b633d1020216da1363b0475490d68589f9b6d0ba1f7647f2dbe608de4a5ffa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling single-channel-slack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "2b633d1020216da1363b0475490d68589f9b6d0ba1f7647f2dbe608de4a5ffa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b633d1020216da1363b0475490d68589f9b6d0ba1f7647f2dbe608de4a5ffa6", kill_on_drop: false }`
[INFO] [stdout] 2b633d1020216da1363b0475490d68589f9b6d0ba1f7647f2dbe608de4a5ffa6
[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] c45508a9d75cf2bbefde5ebac83a0c92e7dfb27588eec5fcb21b5ae9b5ffa3f1
[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" "c45508a9d75cf2bbefde5ebac83a0c92e7dfb27588eec5fcb21b5ae9b5ffa3f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single_channel_slack-459cd1846c926ce5
[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" "c45508a9d75cf2bbefde5ebac83a0c92e7dfb27588eec5fcb21b5ae9b5ffa3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45508a9d75cf2bbefde5ebac83a0c92e7dfb27588eec5fcb21b5ae9b5ffa3f1", kill_on_drop: false }`
[INFO] [stdout] c45508a9d75cf2bbefde5ebac83a0c92e7dfb27588eec5fcb21b5ae9b5ffa3f1