[INFO] fetching crate serde_zzz 0.0.1...
[INFO] testing serde_zzz-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate serde_zzz 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate serde_zzz 0.0.1 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_zzz 0.0.1
[INFO] finished tweaking crates.io crate serde_zzz 0.0.1
[INFO] tweaked toml for crates.io crate serde_zzz 0.0.1 written to /workspace/builds/worker-5/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] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] f6877d72d37e85b888bbfef20c56c0412831ea4dc20c1c45936277a9c88ef2c8
[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" "f6877d72d37e85b888bbfef20c56c0412831ea4dc20c1c45936277a9c88ef2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6877d72d37e85b888bbfef20c56c0412831ea4dc20c1c45936277a9c88ef2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6877d72d37e85b888bbfef20c56c0412831ea4dc20c1c45936277a9c88ef2c8", kill_on_drop: false }`
[INFO] [stdout] f6877d72d37e85b888bbfef20c56c0412831ea4dc20c1c45936277a9c88ef2c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 73b25a34959ab5d462a242e4d781cf1a32f63a125890ed75ceb785f26f52b894
[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" "73b25a34959ab5d462a242e4d781cf1a32f63a125890ed75ceb785f26f52b894", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruzzzt v0.0.2
[INFO] [stderr]    Compiling serde_zzz v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "73b25a34959ab5d462a242e4d781cf1a32f63a125890ed75ceb785f26f52b894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b25a34959ab5d462a242e4d781cf1a32f63a125890ed75ceb785f26f52b894", kill_on_drop: false }`
[INFO] [stdout] 73b25a34959ab5d462a242e4d781cf1a32f63a125890ed75ceb785f26f52b894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 217d5283eb4999fb0b7f5838b0d4fcb96adda8ba1cee661a59d96e92ab7decfb
[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" "217d5283eb4999fb0b7f5838b0d4fcb96adda8ba1cee661a59d96e92ab7decfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_zzz v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "217d5283eb4999fb0b7f5838b0d4fcb96adda8ba1cee661a59d96e92ab7decfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217d5283eb4999fb0b7f5838b0d4fcb96adda8ba1cee661a59d96e92ab7decfb", kill_on_drop: false }`
[INFO] [stdout] 217d5283eb4999fb0b7f5838b0d4fcb96adda8ba1cee661a59d96e92ab7decfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab2bd50b504f8b89a45cb47c9f4da2892bdcede1dd3f1b26ad8d8f9d5fad448f
[INFO] running `Command { std: "docker" "start" "-a" "ab2bd50b504f8b89a45cb47c9f4da2892bdcede1dd3f1b26ad8d8f9d5fad448f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test ser::test_boolean_with_boolean_child ... ok
[INFO] [stdout] test ser::test_boolean ... ok
[INFO] [stdout] test ser::test_f32 ... ok
[INFO] [stdout] test ser::test_i32 ... ok
[INFO] [stdout] test ser::test_string ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_zzz-ea9b55170f4fa2b2
[INFO] [stdout] test ser::test_boolean_with_boolean_children_with_boolean_children ... ok
[INFO] [stdout] test ser::test_boolean_with_boolean_children ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_zzz
[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] running `Command { std: "docker" "inspect" "ab2bd50b504f8b89a45cb47c9f4da2892bdcede1dd3f1b26ad8d8f9d5fad448f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2bd50b504f8b89a45cb47c9f4da2892bdcede1dd3f1b26ad8d8f9d5fad448f", kill_on_drop: false }`
[INFO] [stdout] ab2bd50b504f8b89a45cb47c9f4da2892bdcede1dd3f1b26ad8d8f9d5fad448f