[INFO] fetching crate perftacho 0.4.2...
[INFO] checking perftacho-0.4.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate perftacho 0.4.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate perftacho 0.4.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate perftacho 0.4.2
[INFO] finished tweaking crates.io crate perftacho 0.4.2
[INFO] tweaked toml for crates.io crate perftacho 0.4.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate perftacho 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 1abee754ac8c7d1e7692f8bd62ab09efc675b39f3aeeecaef4e321b8d3839381
[INFO] running `"docker" "start" "-a" "1abee754ac8c7d1e7692f8bd62ab09efc675b39f3aeeecaef4e321b8d3839381"`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking perftacho v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/process/mod.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |         Err(e) => Err(e.description().to_owned()),
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/process/mod.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |         Err(e) => Err(e.description().to_owned()),
[INFO] [stderr]    |                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `"docker" "inspect" "1abee754ac8c7d1e7692f8bd62ab09efc675b39f3aeeecaef4e321b8d3839381"`
[INFO] running `"docker" "rm" "-f" "1abee754ac8c7d1e7692f8bd62ab09efc675b39f3aeeecaef4e321b8d3839381"`
[INFO] [stdout] 1abee754ac8c7d1e7692f8bd62ab09efc675b39f3aeeecaef4e321b8d3839381