[INFO] crate sysfs-class 0.1.2 is already in cache
[INFO] checking sysfs-class-0.1.2 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] extracting crate sysfs-class 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sysfs-class 0.1.2 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sysfs-class 0.1.2
[INFO] finished tweaking crates.io crate sysfs-class 0.1.2
[INFO] tweaked toml for crates.io crate sysfs-class 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate sysfs-class 0.1.2 already has a lockfile, it will not be regenerated
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20cfb83690a6ff38619ae854b796d817aaf3bd7ffcc61629a55af3488520886a
[INFO] running `"docker" "start" "-a" "20cfb83690a6ff38619ae854b796d817aaf3bd7ffcc61629a55af3488520886a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]     Checking sysfs-class v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sys_class.rs:125:22
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn iter() -> Box<Iterator<Item = Result<Self>>> where Self: 'static {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Self>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/block.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type SlaveIter = Box<Iterator<Item = Result<PathBuf>>>;
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<PathBuf>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sys_class.rs:125:22
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn iter() -> Box<Iterator<Item = Result<Self>>> where Self: 'static {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Self>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/block.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type SlaveIter = Box<Iterator<Item = Result<PathBuf>>>;
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<PathBuf>>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "20cfb83690a6ff38619ae854b796d817aaf3bd7ffcc61629a55af3488520886a"`
[INFO] running `"docker" "rm" "-f" "20cfb83690a6ff38619ae854b796d817aaf3bd7ffcc61629a55af3488520886a"`
[INFO] [stdout] 20cfb83690a6ff38619ae854b796d817aaf3bd7ffcc61629a55af3488520886a