[INFO] fetching crate jlog 0.1.5...
[INFO] testing jlog-0.1.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jlog 0.1.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jlog 0.1.5 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 jlog 0.1.5
[INFO] finished tweaking crates.io crate jlog 0.1.5
[INFO] tweaked toml for crates.io crate jlog 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate jlog 0.1.5 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 3b328bf4bea6b82dfe94aa30e710487f4b2976718fb3db1f09486da4cadd2f35
[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" "3b328bf4bea6b82dfe94aa30e710487f4b2976718fb3db1f09486da4cadd2f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b328bf4bea6b82dfe94aa30e710487f4b2976718fb3db1f09486da4cadd2f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b328bf4bea6b82dfe94aa30e710487f4b2976718fb3db1f09486da4cadd2f35", kill_on_drop: false }`
[INFO] [stdout] 3b328bf4bea6b82dfe94aa30e710487f4b2976718fb3db1f09486da4cadd2f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 638a8b417c4d13281a3b80773d248b40449e8edfea897b06e1a45a41a892aa07
[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" "638a8b417c4d13281a3b80773d248b40449e8edfea897b06e1a45a41a892aa07", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling signal-hook v0.1.15
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling jlog v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.19s
[INFO] running `Command { std: "docker" "inspect" "638a8b417c4d13281a3b80773d248b40449e8edfea897b06e1a45a41a892aa07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638a8b417c4d13281a3b80773d248b40449e8edfea897b06e1a45a41a892aa07", kill_on_drop: false }`
[INFO] [stdout] 638a8b417c4d13281a3b80773d248b40449e8edfea897b06e1a45a41a892aa07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 56aceb6e2268d54c0145f565db9a35c3b350b79a0f469a89c839a7f5acb7bd50
[INFO] running `Command { std: "docker" "start" "-a" "56aceb6e2268d54c0145f565db9a35c3b350b79a0f469a89c839a7f5acb7bd50", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlog v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "56aceb6e2268d54c0145f565db9a35c3b350b79a0f469a89c839a7f5acb7bd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56aceb6e2268d54c0145f565db9a35c3b350b79a0f469a89c839a7f5acb7bd50", kill_on_drop: false }`
[INFO] [stdout] 56aceb6e2268d54c0145f565db9a35c3b350b79a0f469a89c839a7f5acb7bd50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3ba9de70c557deda023771a09557a3cdc1f54959619c8878677f79b3c1425ed
[INFO] running `Command { std: "docker" "start" "-a" "b3ba9de70c557deda023771a09557a3cdc1f54959619c8878677f79b3c1425ed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jlog-f138daa871170a58
[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" "b3ba9de70c557deda023771a09557a3cdc1f54959619c8878677f79b3c1425ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ba9de70c557deda023771a09557a3cdc1f54959619c8878677f79b3c1425ed", kill_on_drop: false }`
[INFO] [stdout] b3ba9de70c557deda023771a09557a3cdc1f54959619c8878677f79b3c1425ed