[INFO] fetching crate chi 0.0.1...
[INFO] testing chi-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate chi 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chi 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chi 0.0.1
[INFO] finished tweaking crates.io crate chi 0.0.1
[INFO] tweaked toml for crates.io crate chi 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 255b80a6782cee999669477340f07b2e596b3ffad8b81c69d2271a2afca43b43
[INFO] running `Command { std: "docker" "start" "-a" "255b80a6782cee999669477340f07b2e596b3ffad8b81c69d2271a2afca43b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255b80a6782cee999669477340f07b2e596b3ffad8b81c69d2271a2afca43b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255b80a6782cee999669477340f07b2e596b3ffad8b81c69d2271a2afca43b43", kill_on_drop: false }`
[INFO] [stdout] 255b80a6782cee999669477340f07b2e596b3ffad8b81c69d2271a2afca43b43
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 636252cc35312821f65e786a032eef24701984c20cea0b964521ce6996d99203
[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" "636252cc35312821f65e786a032eef24701984c20cea0b964521ce6996d99203", kill_on_drop: false }`
[INFO] [stderr]    Compiling chi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/clone.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/pull.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/push.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_object`
[INFO] [stdout]   --> src/repository/object_store.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_object<T: Object>(hash: &str) -> std::io::Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "636252cc35312821f65e786a032eef24701984c20cea0b964521ce6996d99203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636252cc35312821f65e786a032eef24701984c20cea0b964521ce6996d99203", kill_on_drop: false }`
[INFO] [stdout] 636252cc35312821f65e786a032eef24701984c20cea0b964521ce6996d99203
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0465e3ab049176817ee0f0b27e44d8b1b8b752ddc13c59255aef51b7a5771d3e
[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" "0465e3ab049176817ee0f0b27e44d8b1b8b752ddc13c59255aef51b7a5771d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling chi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/clone.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/pull.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli/push.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_object`
[INFO] [stdout]   --> src/repository/object_store.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_object<T: Object>(hash: &str) -> std::io::Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "0465e3ab049176817ee0f0b27e44d8b1b8b752ddc13c59255aef51b7a5771d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0465e3ab049176817ee0f0b27e44d8b1b8b752ddc13c59255aef51b7a5771d3e", kill_on_drop: false }`
[INFO] [stdout] 0465e3ab049176817ee0f0b27e44d8b1b8b752ddc13c59255aef51b7a5771d3e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a75596e6c4d26194baf197f234f4c0d6a7e12bc6cd8ce23cb0dd16d1ccd65ffb
[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" "a75596e6c4d26194baf197f234f4c0d6a7e12bc6cd8ce23cb0dd16d1ccd65ffb", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/cli/clone.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/cli/pull.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/cli/push.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(m: &ArgMatches, cfg: &mut Config) {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_object`
[INFO] [stderr]   --> src/repository/object_store.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn get_object<T: Object>(hash: &str) -> std::io::Result<String> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chi` (bin "chi" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chi-8e5b478f99e24df6)
[INFO] running `Command { std: "docker" "inspect" "a75596e6c4d26194baf197f234f4c0d6a7e12bc6cd8ce23cb0dd16d1ccd65ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75596e6c4d26194baf197f234f4c0d6a7e12bc6cd8ce23cb0dd16d1ccd65ffb", kill_on_drop: false }`
[INFO] [stdout] a75596e6c4d26194baf197f234f4c0d6a7e12bc6cd8ce23cb0dd16d1ccd65ffb