[INFO] crate persistent 0.4.0 is already in cache
[INFO] checking persistent-0.4.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate persistent 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate persistent 0.4.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate persistent 0.4.0
[INFO] finished tweaking crates.io crate persistent 0.4.0
[INFO] tweaked toml for crates.io crate persistent 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 93366210458a48247a205f4a4b010e1bdc51e1331feb81e33427046f2adc5bbe
[INFO] running `"docker" "start" "-a" "93366210458a48247a205f4a4b010e1bdc51e1331feb81e33427046f2adc5bbe"`
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking persistent v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: use of deprecated item 'iron::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |         self.description().fmt(f)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `persistent`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'iron::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |         self.description().fmt(f)
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "93366210458a48247a205f4a4b010e1bdc51e1331feb81e33427046f2adc5bbe"`
[INFO] running `"docker" "rm" "-f" "93366210458a48247a205f4a4b010e1bdc51e1331feb81e33427046f2adc5bbe"`
[INFO] [stdout] 93366210458a48247a205f4a4b010e1bdc51e1331feb81e33427046f2adc5bbe