[INFO] cloning repository https://github.com/dwalter0/faucet_workspace_serialization_poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwalter0/faucet_workspace_serialization_poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwalter0%2Ffaucet_workspace_serialization_poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwalter0%2Ffaucet_workspace_serialization_poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2007c3d2fa8f9f83123a24bc8b7204b79546e4
[INFO] testing dwalter0/faucet_workspace_serialization_poc against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwalter0%2Ffaucet_workspace_serialization_poc" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/dwalter0/faucet_workspace_serialization_poc on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwalter0/faucet_workspace_serialization_poc
[INFO] finished tweaking git repo https://github.com/dwalter0/faucet_workspace_serialization_poc
[INFO] tweaked toml for git repo https://github.com/dwalter0/faucet_workspace_serialization_poc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dwalter0/faucet_workspace_serialization_poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 452bbd274832af1720625e17ce266ca475c79a8ea8f0f662976417f39b91ec9e
[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" "452bbd274832af1720625e17ce266ca475c79a8ea8f0f662976417f39b91ec9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "452bbd274832af1720625e17ce266ca475c79a8ea8f0f662976417f39b91ec9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452bbd274832af1720625e17ce266ca475c79a8ea8f0f662976417f39b91ec9e", kill_on_drop: false }`
[INFO] [stdout] 452bbd274832af1720625e17ce266ca475c79a8ea8f0f662976417f39b91ec9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2c3d1aa9662fecf00ff1fb0cb24e817fe75f9c9055dc45b60001d245c8e901
[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" "cd2c3d1aa9662fecf00ff1fb0cb24e817fe75f9c9055dc45b60001d245c8e901", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling yaml_parse_attempt_two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `skip_serializing_if_empty_number`
[INFO] [stdout]   --> src/serialization_helpers.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn skip_serializing_if_empty_number<T: Zero>(input: &T) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.03s
[INFO] running `Command { std: "docker" "inspect" "cd2c3d1aa9662fecf00ff1fb0cb24e817fe75f9c9055dc45b60001d245c8e901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2c3d1aa9662fecf00ff1fb0cb24e817fe75f9c9055dc45b60001d245c8e901", kill_on_drop: false }`
[INFO] [stdout] cd2c3d1aa9662fecf00ff1fb0cb24e817fe75f9c9055dc45b60001d245c8e901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5992db4151f09261767375c89d136d1929ed15c17e07995b7aa9a3ca2f718e7
[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" "e5992db4151f09261767375c89d136d1929ed15c17e07995b7aa9a3ca2f718e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml_parse_attempt_two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `skip_serializing_if_empty_number`
[INFO] [stdout]   --> src/serialization_helpers.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn skip_serializing_if_empty_number<T: Zero>(input: &T) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "e5992db4151f09261767375c89d136d1929ed15c17e07995b7aa9a3ca2f718e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5992db4151f09261767375c89d136d1929ed15c17e07995b7aa9a3ca2f718e7", kill_on_drop: false }`
[INFO] [stdout] e5992db4151f09261767375c89d136d1929ed15c17e07995b7aa9a3ca2f718e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] aa0c39a0fac298c015cfe38ba3f5a074d59dfe45f7e02635184e052e2a647714
[INFO] running `Command { std: "docker" "start" "-a" "aa0c39a0fac298c015cfe38ba3f5a074d59dfe45f7e02635184e052e2a647714", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `skip_serializing_if_empty_number`
[INFO] [stderr]   --> src/serialization_helpers.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn skip_serializing_if_empty_number<T: Zero>(input: &T) -> bool{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `yaml_parse_attempt_two` (bin "yaml_parse_attempt_two" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yaml_parse_attempt_two-6726b0f887cf1e68)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa0c39a0fac298c015cfe38ba3f5a074d59dfe45f7e02635184e052e2a647714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0c39a0fac298c015cfe38ba3f5a074d59dfe45f7e02635184e052e2a647714", kill_on_drop: false }`
[INFO] [stdout] aa0c39a0fac298c015cfe38ba3f5a074d59dfe45f7e02635184e052e2a647714