[INFO] fetching crate loop_chain 0.1.1...
[INFO] testing loop_chain-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate loop_chain 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate loop_chain 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loop_chain 0.1.1
[INFO] finished tweaking crates.io crate loop_chain 0.1.1
[INFO] tweaked toml for crates.io crate loop_chain 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate loop_chain 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc39428f6b2399a91d1f36318e36d20f40a4dc012ea4962db74e59c8974f4e1f
[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" "cc39428f6b2399a91d1f36318e36d20f40a4dc012ea4962db74e59c8974f4e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc39428f6b2399a91d1f36318e36d20f40a4dc012ea4962db74e59c8974f4e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc39428f6b2399a91d1f36318e36d20f40a4dc012ea4962db74e59c8974f4e1f", kill_on_drop: false }`
[INFO] [stdout] cc39428f6b2399a91d1f36318e36d20f40a4dc012ea4962db74e59c8974f4e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bdf1d4f0426b209d10fffd382c2b7dd76bc52c3f63204af0f8df4c5db9123c1
[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" "3bdf1d4f0426b209d10fffd382c2b7dd76bc52c3f63204af0f8df4c5db9123c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop_chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "3bdf1d4f0426b209d10fffd382c2b7dd76bc52c3f63204af0f8df4c5db9123c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdf1d4f0426b209d10fffd382c2b7dd76bc52c3f63204af0f8df4c5db9123c1", kill_on_drop: false }`
[INFO] [stdout] 3bdf1d4f0426b209d10fffd382c2b7dd76bc52c3f63204af0f8df4c5db9123c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 5e55315ef706b24f6baf0b5850fbf0d58fe3f157574f16565d30b43ef72ae9cd
[INFO] running `Command { std: "docker" "start" "-a" "5e55315ef706b24f6baf0b5850fbf0d58fe3f157574f16565d30b43ef72ae9cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop_chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "5e55315ef706b24f6baf0b5850fbf0d58fe3f157574f16565d30b43ef72ae9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e55315ef706b24f6baf0b5850fbf0d58fe3f157574f16565d30b43ef72ae9cd", kill_on_drop: false }`
[INFO] [stdout] 5e55315ef706b24f6baf0b5850fbf0d58fe3f157574f16565d30b43ef72ae9cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 37cd5ec2c18450d10ecf3a51a66586b4cb06f138aec3147ee4c6b713daebeb8f
[INFO] running `Command { std: "docker" "start" "-a" "37cd5ec2c18450d10ecf3a51a66586b4cb06f138aec3147ee4c6b713daebeb8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loop_chain-7a7dc9e8c75abb68)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_for ... ok
[INFO] [stdout] test test::test_loop ... ok
[INFO] [stdout] test test::test_while ... ok
[INFO] [stderr]    Doc-tests loop_chain
[INFO] [stdout] test test::test_while_let ... ok
[INFO] [stdout] test test::test_nested_loops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37cd5ec2c18450d10ecf3a51a66586b4cb06f138aec3147ee4c6b713daebeb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cd5ec2c18450d10ecf3a51a66586b4cb06f138aec3147ee4c6b713daebeb8f", kill_on_drop: false }`
[INFO] [stdout] 37cd5ec2c18450d10ecf3a51a66586b4cb06f138aec3147ee4c6b713daebeb8f