[INFO] cloning repository https://github.com/greguz/ralph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greguz/ralph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreguz%2Fralph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreguz%2Fralph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95849ec3a5e7462297c98781287ce7d6b6c6efb9
[INFO] testing greguz/ralph against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreguz%2Fralph" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greguz/ralph 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/greguz/ralph
[INFO] finished tweaking git repo https://github.com/greguz/ralph
[INFO] tweaked toml for git repo https://github.com/greguz/ralph written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/greguz/ralph 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2541814725f5babd2469f76ef9e833fe5a4f9ed1815cbc52d5a0444871759c9c
[INFO] running `Command { std: "docker" "start" "-a" "2541814725f5babd2469f76ef9e833fe5a4f9ed1815cbc52d5a0444871759c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2541814725f5babd2469f76ef9e833fe5a4f9ed1815cbc52d5a0444871759c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2541814725f5babd2469f76ef9e833fe5a4f9ed1815cbc52d5a0444871759c9c", kill_on_drop: false }`
[INFO] [stdout] 2541814725f5babd2469f76ef9e833fe5a4f9ed1815cbc52d5a0444871759c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ed60b9900f51b026dd562b574ed9f7a4b1a08302374b9f05eaa400c935001684
[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" "ed60b9900f51b026dd562b574ed9f7a4b1a08302374b9f05eaa400c935001684", kill_on_drop: false }`
[INFO] [stderr]    Compiling ralph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `enc_boolean`
[INFO] [stdout]   --> src/store/encoder.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn enc_boolean(value: bool) -> Vec<u8> {
[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 0.80s
[INFO] running `Command { std: "docker" "inspect" "ed60b9900f51b026dd562b574ed9f7a4b1a08302374b9f05eaa400c935001684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed60b9900f51b026dd562b574ed9f7a4b1a08302374b9f05eaa400c935001684", kill_on_drop: false }`
[INFO] [stdout] ed60b9900f51b026dd562b574ed9f7a4b1a08302374b9f05eaa400c935001684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2e0129b66c6655f3188f94b6875b85457d0ff1160d99ce5db93a507648778b44
[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" "2e0129b66c6655f3188f94b6875b85457d0ff1160d99ce5db93a507648778b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling ralph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `enc_boolean`
[INFO] [stdout]   --> src/store/encoder.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn enc_boolean(value: bool) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e0129b66c6655f3188f94b6875b85457d0ff1160d99ce5db93a507648778b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0129b66c6655f3188f94b6875b85457d0ff1160d99ce5db93a507648778b44", kill_on_drop: false }`
[INFO] [stdout] 2e0129b66c6655f3188f94b6875b85457d0ff1160d99ce5db93a507648778b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 5ad884c7c22f52a71347ad1581745b909d051fdfe202c06c4b54436a658979aa
[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" "5ad884c7c22f52a71347ad1581745b909d051fdfe202c06c4b54436a658979aa", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `enc_boolean`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/store/encoder.rs:27:8
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 27 | pub fn enc_boolean(value: bool) -> Vec<u8> {
[INFO] [stdout] 
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ralph` (bin "ralph" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ralph-421a1187c5b34cef)
[INFO] running `Command { std: "docker" "inspect" "5ad884c7c22f52a71347ad1581745b909d051fdfe202c06c4b54436a658979aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad884c7c22f52a71347ad1581745b909d051fdfe202c06c4b54436a658979aa", kill_on_drop: false }`
[INFO] [stdout] 5ad884c7c22f52a71347ad1581745b909d051fdfe202c06c4b54436a658979aa