[INFO] crate milcheck 0.1.7 is already in cache
[INFO] checking milcheck-0.1.7 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate milcheck 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate milcheck 0.1.7 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate milcheck 0.1.7
[INFO] finished tweaking crates.io crate milcheck 0.1.7
[INFO] tweaked toml for crates.io crate milcheck 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate milcheck 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1e989339c2db047bc77c37246e5e83d4cd29926adbf52056d05b9bcda0889ddf
[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" "1e989339c2db047bc77c37246e5e83d4cd29926adbf52056d05b9bcda0889ddf"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking milcheck v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/event.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     input_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tick_handle`
[INFO] [stderr]   --> src/event.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     tick_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `finish`
[INFO] [stderr]   --> src/event.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_handle`
[INFO] [stderr]   --> src/event.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     input_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tick_handle`
[INFO] [stderr]   --> src/event.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     tick_handle: JoinHandle<Result<(), Error>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `finish`
[INFO] [stderr]   --> src/event.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn finish(self) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag`
[INFO] [stderr]    --> src/cli.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     pub fn flag(
[INFO] [stderr] 132 | |         &mut self,
[INFO] [stderr] 133 | |         name: &'static str,
[INFO] [stderr] 134 | |         short: char,
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |         self
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flag`
[INFO] [stderr]    --> src/cli.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     pub fn flag(
[INFO] [stderr] 132 | |         &mut self,
[INFO] [stderr] 133 | |         name: &'static str,
[INFO] [stderr] 134 | |         short: char,
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |         self
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.02s
[INFO] running `"docker" "inspect" "1e989339c2db047bc77c37246e5e83d4cd29926adbf52056d05b9bcda0889ddf"`
[INFO] running `"docker" "rm" "-f" "1e989339c2db047bc77c37246e5e83d4cd29926adbf52056d05b9bcda0889ddf"`
[INFO] [stdout] 1e989339c2db047bc77c37246e5e83d4cd29926adbf52056d05b9bcda0889ddf