[INFO] fetching crate servant-log 0.1.0...
[INFO] testing servant-log-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate servant-log 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate servant-log 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate servant-log 0.1.0
[INFO] finished tweaking crates.io crate servant-log 0.1.0
[INFO] tweaked toml for crates.io crate servant-log 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate servant-log 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] da5d5adbf136e7767ddec1be6e98700a3405c4cf799e2fc405bfa6a44a65dd3b
[INFO] running `Command { std: "docker" "start" "-a" "da5d5adbf136e7767ddec1be6e98700a3405c4cf799e2fc405bfa6a44a65dd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5d5adbf136e7767ddec1be6e98700a3405c4cf799e2fc405bfa6a44a65dd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5d5adbf136e7767ddec1be6e98700a3405c4cf799e2fc405bfa6a44a65dd3b", kill_on_drop: false }`
[INFO] [stdout] da5d5adbf136e7767ddec1be6e98700a3405c4cf799e2fc405bfa6a44a65dd3b
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e619df01da1218f2146447d0a517638f059371194375682601d3b59a126781dc
[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" "e619df01da1218f2146447d0a517638f059371194375682601d3b59a126781dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling ring-channel v0.7.0
[INFO] [stderr]    Compiling servant-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.80s
[INFO] running `Command { std: "docker" "inspect" "e619df01da1218f2146447d0a517638f059371194375682601d3b59a126781dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e619df01da1218f2146447d0a517638f059371194375682601d3b59a126781dc", kill_on_drop: false }`
[INFO] [stdout] e619df01da1218f2146447d0a517638f059371194375682601d3b59a126781dc
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 95fd3e7e0c6771eb2f4029e67b4c3a2f3b5040edb2fb9cee5cbc140ff0c409f1
[INFO] running `Command { std: "docker" "start" "-a" "95fd3e7e0c6771eb2f4029e67b4c3a2f3b5040edb2fb9cee5cbc140ff0c409f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling servant-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "95fd3e7e0c6771eb2f4029e67b4c3a2f3b5040edb2fb9cee5cbc140ff0c409f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fd3e7e0c6771eb2f4029e67b4c3a2f3b5040edb2fb9cee5cbc140ff0c409f1", kill_on_drop: false }`
[INFO] [stdout] 95fd3e7e0c6771eb2f4029e67b4c3a2f3b5040edb2fb9cee5cbc140ff0c409f1
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8818f090059c726d5dc6bfe158b4cd5fe2efb1960f142468a9979db2acd6d8cc
[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" "8818f090059c726d5dc6bfe158b4cd5fe2efb1960f142468a9979db2acd6d8cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/servant_log-e298551a4e806e03
[INFO] [stderr]    Doc-tests servant-log
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8818f090059c726d5dc6bfe158b4cd5fe2efb1960f142468a9979db2acd6d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8818f090059c726d5dc6bfe158b4cd5fe2efb1960f142468a9979db2acd6d8cc", kill_on_drop: false }`
[INFO] [stdout] 8818f090059c726d5dc6bfe158b4cd5fe2efb1960f142468a9979db2acd6d8cc