[INFO] crate nbdserve 0.1.1 is already in cache
[INFO] checking nbdserve-0.1.1 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] extracting crate nbdserve 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nbdserve 0.1.1 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nbdserve 0.1.1
[INFO] finished tweaking crates.io crate nbdserve 0.1.1
[INFO] tweaked toml for crates.io crate nbdserve 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef4956c2abcaaf7cdba920f42d1e2f3ace4075aabc0513a2adf428c69bb6a806
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ef4956c2abcaaf7cdba920f42d1e2f3ace4075aabc0513a2adf428c69bb6a806"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking nbd v0.2.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking nbdserve v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let stderr: Box<::std::error::Error + Send + Sync> = s.into();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let stderr: Box<::std::error::Error + Send + Sync> = s.into();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "ef4956c2abcaaf7cdba920f42d1e2f3ace4075aabc0513a2adf428c69bb6a806"`
[INFO] running `"docker" "rm" "-f" "ef4956c2abcaaf7cdba920f42d1e2f3ace4075aabc0513a2adf428c69bb6a806"`
[INFO] [stdout] ef4956c2abcaaf7cdba920f42d1e2f3ace4075aabc0513a2adf428c69bb6a806