[INFO] fetching crate a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e 1.0.2...
[INFO] testing a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e-1.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e 1.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e 1.0.2 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 a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e 1.0.2
[INFO] finished tweaking crates.io crate a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e 1.0.2
[INFO] tweaked toml for crates.io crate a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e 1.0.2 written to /workspace/builds/worker-5/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-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" "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] [stdout] d2d178e15bcd8da427da6b045ce5b79619b91bd00e898e053ca502180b261aa9
[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" "d2d178e15bcd8da427da6b045ce5b79619b91bd00e898e053ca502180b261aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d178e15bcd8da427da6b045ce5b79619b91bd00e898e053ca502180b261aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d178e15bcd8da427da6b045ce5b79619b91bd00e898e053ca502180b261aa9", kill_on_drop: false }`
[INFO] [stdout] d2d178e15bcd8da427da6b045ce5b79619b91bd00e898e053ca502180b261aa9
[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" "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] 5a2e6310067b70087c443d320556d6e100de786f2237f75dc8779756ac2ea757
[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" "5a2e6310067b70087c443d320556d6e100de786f2237f75dc8779756ac2ea757", kill_on_drop: false }`
[INFO] [stderr]    Compiling a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 0.21s
[INFO] running `Command { std: "docker" "inspect" "5a2e6310067b70087c443d320556d6e100de786f2237f75dc8779756ac2ea757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2e6310067b70087c443d320556d6e100de786f2237f75dc8779756ac2ea757", kill_on_drop: false }`
[INFO] [stdout] 5a2e6310067b70087c443d320556d6e100de786f2237f75dc8779756ac2ea757
[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" "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] 516c46aace5d8dced3b274c32fe6dab4e7b63ca0f71ebd496169395fea92a667
[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" "516c46aace5d8dced3b274c32fe6dab4e7b63ca0f71ebd496169395fea92a667", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "516c46aace5d8dced3b274c32fe6dab4e7b63ca0f71ebd496169395fea92a667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516c46aace5d8dced3b274c32fe6dab4e7b63ca0f71ebd496169395fea92a667", kill_on_drop: false }`
[INFO] [stdout] 516c46aace5d8dced3b274c32fe6dab4e7b63ca0f71ebd496169395fea92a667
[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" "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] 6a27eb295f9eab0b864aec6ca1fe21a017ef72d3e011bb0ac58fcbf786591f23
[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" "6a27eb295f9eab0b864aec6ca1fe21a017ef72d3e011bb0ac58fcbf786591f23", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `indent`
[INFO] [stderr]  --> src/lib.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stderr]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e` (lib) generated 1 warning
[INFO] [stderr] warning: `a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e-e90a41bb71383d75)
[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]    Doc-tests a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e
[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" "6a27eb295f9eab0b864aec6ca1fe21a017ef72d3e011bb0ac58fcbf786591f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a27eb295f9eab0b864aec6ca1fe21a017ef72d3e011bb0ac58fcbf786591f23", kill_on_drop: false }`
[INFO] [stdout] 6a27eb295f9eab0b864aec6ca1fe21a017ef72d3e011bb0ac58fcbf786591f23