[INFO] fetching crate option-lock 0.2.1...
[INFO] testing option-lock-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate option-lock 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate option-lock 0.2.1 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 option-lock 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate option-lock 0.2.1
[INFO] tweaked toml for crates.io crate option-lock 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate option-lock 0.2.1 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb2f9d1d6b0370136922995a46e3b55b7bdc1cda1fc455d9c871f518325b827a
[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" "eb2f9d1d6b0370136922995a46e3b55b7bdc1cda1fc455d9c871f518325b827a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb2f9d1d6b0370136922995a46e3b55b7bdc1cda1fc455d9c871f518325b827a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2f9d1d6b0370136922995a46e3b55b7bdc1cda1fc455d9c871f518325b827a", kill_on_drop: false }`
[INFO] [stdout] eb2f9d1d6b0370136922995a46e3b55b7bdc1cda1fc455d9c871f518325b827a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea0e8634b3a1040bf82b39fe32a5807a6283be4fd7f3cdf29f7153adb53ae181
[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" "ea0e8634b3a1040bf82b39fe32a5807a6283be4fd7f3cdf29f7153adb53ae181", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-lock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ea0e8634b3a1040bf82b39fe32a5807a6283be4fd7f3cdf29f7153adb53ae181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0e8634b3a1040bf82b39fe32a5807a6283be4fd7f3cdf29f7153adb53ae181", kill_on_drop: false }`
[INFO] [stdout] ea0e8634b3a1040bf82b39fe32a5807a6283be4fd7f3cdf29f7153adb53ae181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07b721776253f2af2a39909ec735a7a2a744fbe0ba2ae58ba9047b6804b10f22
[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" "07b721776253f2af2a39909ec735a7a2a744fbe0ba2ae58ba9047b6804b10f22", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-lock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "07b721776253f2af2a39909ec735a7a2a744fbe0ba2ae58ba9047b6804b10f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b721776253f2af2a39909ec735a7a2a744fbe0ba2ae58ba9047b6804b10f22", kill_on_drop: false }`
[INFO] [stdout] 07b721776253f2af2a39909ec735a7a2a744fbe0ba2ae58ba9047b6804b10f22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8b7d7ae844e2e534e5dc8af25f6e0f3ec101a9d8872827142748474dee6468c
[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" "e8b7d7ae844e2e534e5dc8af25f6e0f3ec101a9d8872827142748474dee6468c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/option_lock-d77c69c4a3818688
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cover-7628836be14a2a3b
[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 9 tests
[INFO] [stdout] test lazy_static ... ok
[INFO] [stdout] test once_cell_get_or_init ... ok
[INFO] [stdout] test once_cell_set_struct_member ... ok
[INFO] [stdout] test option_lock_guard ... ok
[INFO] [stdout] test option_lock_drop ... ok
[INFO] [stdout] test option_lock_take ... ok
[INFO] [stdout] test option_lock_debug ... ok
[INFO] [stdout] test owned_take ... ok
[INFO] [stderr]    Doc-tests option_lock
[INFO] [stdout] test owned_replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8b7d7ae844e2e534e5dc8af25f6e0f3ec101a9d8872827142748474dee6468c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b7d7ae844e2e534e5dc8af25f6e0f3ec101a9d8872827142748474dee6468c", kill_on_drop: false }`
[INFO] [stdout] e8b7d7ae844e2e534e5dc8af25f6e0f3ec101a9d8872827142748474dee6468c