[INFO] fetching crate chained_iter 0.1.2...
[INFO] testing chained_iter-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate chained_iter 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate chained_iter 0.1.2 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 chained_iter 0.1.2
[INFO] finished tweaking crates.io crate chained_iter 0.1.2
[INFO] tweaked toml for crates.io crate chained_iter 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fae39b65ce0167ccba9dc62c91f1c583e2f9afabd9ddd1dc986c0d8afe7940a0
[INFO] running `Command { std: "docker" "start" "-a" "fae39b65ce0167ccba9dc62c91f1c583e2f9afabd9ddd1dc986c0d8afe7940a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae39b65ce0167ccba9dc62c91f1c583e2f9afabd9ddd1dc986c0d8afe7940a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae39b65ce0167ccba9dc62c91f1c583e2f9afabd9ddd1dc986c0d8afe7940a0", kill_on_drop: false }`
[INFO] [stdout] fae39b65ce0167ccba9dc62c91f1c583e2f9afabd9ddd1dc986c0d8afe7940a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c45450bf1c38aebadb48020a09c1bbdc5462db6afe38fa71b8122fc4f1304652
[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" "c45450bf1c38aebadb48020a09c1bbdc5462db6afe38fa71b8122fc4f1304652", kill_on_drop: false }`
[INFO] [stderr]    Compiling chained_iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "c45450bf1c38aebadb48020a09c1bbdc5462db6afe38fa71b8122fc4f1304652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45450bf1c38aebadb48020a09c1bbdc5462db6afe38fa71b8122fc4f1304652", kill_on_drop: false }`
[INFO] [stdout] c45450bf1c38aebadb48020a09c1bbdc5462db6afe38fa71b8122fc4f1304652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ca4ae9d4bd0f63fc3536cd9a0cf465d00c5de246099710dc1bc2e31316a6e018
[INFO] running `Command { std: "docker" "start" "-a" "ca4ae9d4bd0f63fc3536cd9a0cf465d00c5de246099710dc1bc2e31316a6e018", kill_on_drop: false }`
[INFO] [stderr]    Compiling chained_iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "ca4ae9d4bd0f63fc3536cd9a0cf465d00c5de246099710dc1bc2e31316a6e018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4ae9d4bd0f63fc3536cd9a0cf465d00c5de246099710dc1bc2e31316a6e018", kill_on_drop: false }`
[INFO] [stdout] ca4ae9d4bd0f63fc3536cd9a0cf465d00c5de246099710dc1bc2e31316a6e018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 81aea2cfa096eceff8baf7f2bb49401496d6fc7d38cfdc6eba73afa7167c9a96
[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" "81aea2cfa096eceff8baf7f2bb49401496d6fc7d38cfdc6eba73afa7167c9a96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chained_iter-6ce49e0e3e88741d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::vec_equality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chained_iter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - chained_iter (line 15) ... 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" "81aea2cfa096eceff8baf7f2bb49401496d6fc7d38cfdc6eba73afa7167c9a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81aea2cfa096eceff8baf7f2bb49401496d6fc7d38cfdc6eba73afa7167c9a96", kill_on_drop: false }`
[INFO] [stdout] 81aea2cfa096eceff8baf7f2bb49401496d6fc7d38cfdc6eba73afa7167c9a96