[INFO] fetching crate unwrap 1.2.1...
[INFO] testing unwrap-1.2.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate unwrap 1.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unwrap 1.2.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unwrap 1.2.1
[INFO] finished tweaking crates.io crate unwrap 1.2.1
[INFO] tweaked toml for crates.io crate unwrap 1.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc80fa9ee6d86a91846e03b3925be36ccfa9b9f639a306cfd134990461998750
[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" "fc80fa9ee6d86a91846e03b3925be36ccfa9b9f639a306cfd134990461998750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc80fa9ee6d86a91846e03b3925be36ccfa9b9f639a306cfd134990461998750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc80fa9ee6d86a91846e03b3925be36ccfa9b9f639a306cfd134990461998750", kill_on_drop: false }`
[INFO] [stdout] fc80fa9ee6d86a91846e03b3925be36ccfa9b9f639a306cfd134990461998750
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] 163767d7689c96eb4f10abb3024fbf847024fa7a502ad0828e823c7850104710
[INFO] running `Command { std: "docker" "start" "-a" "163767d7689c96eb4f10abb3024fbf847024fa7a502ad0828e823c7850104710", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "163767d7689c96eb4f10abb3024fbf847024fa7a502ad0828e823c7850104710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163767d7689c96eb4f10abb3024fbf847024fa7a502ad0828e823c7850104710", kill_on_drop: false }`
[INFO] [stdout] 163767d7689c96eb4f10abb3024fbf847024fa7a502ad0828e823c7850104710
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbeecc3df01534fde08b9e959b002dc79ef2fdbf775d982fd3c9ae092786f1b2
[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" "cbeecc3df01534fde08b9e959b002dc79ef2fdbf775d982fd3c9ae092786f1b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "cbeecc3df01534fde08b9e959b002dc79ef2fdbf775d982fd3c9ae092786f1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbeecc3df01534fde08b9e959b002dc79ef2fdbf775d982fd3c9ae092786f1b2", kill_on_drop: false }`
[INFO] [stdout] cbeecc3df01534fde08b9e959b002dc79ef2fdbf775d982fd3c9ae092786f1b2
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4db7c721d33b87e3ab7b643edef5d96818ebd9a414319eb78e7d382bf0f63f0e
[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" "4db7c721d33b87e3ab7b643edef5d96818ebd9a414319eb78e7d382bf0f63f0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unwrap-baedff9c9c958143)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::unwrap_result_ok ... ok
[INFO] [stdout] test tests::unwrap_option_some ... ok
[INFO] [stdout] test tests::unwrap_err_result_err ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_option_none_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_result_err_message_args - should panic ... ok
[INFO] [stdout] test tests::unwrap_result_err_no_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_result_err_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_message_args - should panic ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_no_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_option_none_no_message - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unwrap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - unwrap_err (line 224) ... ok
[INFO] [stdout] test src/lib.rs - unwrap (line 126) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4db7c721d33b87e3ab7b643edef5d96818ebd9a414319eb78e7d382bf0f63f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db7c721d33b87e3ab7b643edef5d96818ebd9a414319eb78e7d382bf0f63f0e", kill_on_drop: false }`
[INFO] [stdout] 4db7c721d33b87e3ab7b643edef5d96818ebd9a414319eb78e7d382bf0f63f0e