[INFO] fetching crate serde_iter 0.2.0-alpha.1...
[INFO] testing serde_iter-0.2.0-alpha.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate serde_iter 0.2.0-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde_iter 0.2.0-alpha.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 serde_iter 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate serde_iter 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate serde_iter 0.2.0-alpha.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f8947a99f408d2c78908d6d148a7b025af7121f0850f8cb3f1ed406779babbd7
[INFO] running `Command { std: "docker" "start" "-a" "f8947a99f408d2c78908d6d148a7b025af7121f0850f8cb3f1ed406779babbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8947a99f408d2c78908d6d148a7b025af7121f0850f8cb3f1ed406779babbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8947a99f408d2c78908d6d148a7b025af7121f0850f8cb3f1ed406779babbd7", kill_on_drop: false }`
[INFO] [stdout] f8947a99f408d2c78908d6d148a7b025af7121f0850f8cb3f1ed406779babbd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] acfbe68eec7e79241a184d995f40fb3b8fb7bb1add37367a09190e610e1f7079
[INFO] running `Command { std: "docker" "start" "-a" "acfbe68eec7e79241a184d995f40fb3b8fb7bb1add37367a09190e610e1f7079", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_iter v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "acfbe68eec7e79241a184d995f40fb3b8fb7bb1add37367a09190e610e1f7079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfbe68eec7e79241a184d995f40fb3b8fb7bb1add37367a09190e610e1f7079", kill_on_drop: false }`
[INFO] [stdout] acfbe68eec7e79241a184d995f40fb3b8fb7bb1add37367a09190e610e1f7079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] c3fbd8f5ad42d3c854220f234f9d77ee43bd9f6a7a5fc9390e544542b9f2f266
[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" "c3fbd8f5ad42d3c854220f234f9d77ee43bd9f6a7a5fc9390e544542b9f2f266", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_iter v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "c3fbd8f5ad42d3c854220f234f9d77ee43bd9f6a7a5fc9390e544542b9f2f266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fbd8f5ad42d3c854220f234f9d77ee43bd9f6a7a5fc9390e544542b9f2f266", kill_on_drop: false }`
[INFO] [stdout] c3fbd8f5ad42d3c854220f234f9d77ee43bd9f6a7a5fc9390e544542b9f2f266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 55fd251fe3ee74f69fc9c92c4e1802ec45e497aff0276b456c2edc85d4160a7e
[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" "55fd251fe3ee74f69fc9c92c4e1802ec45e497aff0276b456c2edc85d4160a7e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_iter-2686efd8ff93f549
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test map::tests::test_empty ... ok
[INFO] [stdout] test seq::tests::test_empty ... ok
[INFO] [stdout] test seq::tests::test_once ... ok
[INFO] [stdout] test map::tests::test_once ... ok
[INFO] [stdout] test map::tests::test_vec_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_iter
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/seq.rs - seq (line 35) ... ok
[INFO] [stdout] test src/map.rs - map (line 10) ... ok
[INFO] [stdout] test src/seq.rs - seq (line 10) ... ok
[INFO] [stdout] test src/seq.rs - seq (line 101) ... ok
[INFO] [stdout] test src/once.rs - once::CloneOnce (line 38) ... ok
[INFO] [stdout] test src/seq.rs - seq (line 60) ... ok
[INFO] [stdout] test src/once.rs - once::CloneOnce (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55fd251fe3ee74f69fc9c92c4e1802ec45e497aff0276b456c2edc85d4160a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fd251fe3ee74f69fc9c92c4e1802ec45e497aff0276b456c2edc85d4160a7e", kill_on_drop: false }`
[INFO] [stdout] 55fd251fe3ee74f69fc9c92c4e1802ec45e497aff0276b456c2edc85d4160a7e