[INFO] fetching crate slr_config 0.0.20...
[INFO] checking slr_config-0.0.20 against beta for pr-78714
[INFO] extracting crate slr_config 0.0.20 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate slr_config 0.0.20 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slr_config 0.0.20
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slr_config 0.0.20
[INFO] tweaked toml for crates.io crate slr_config 0.0.20 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate slr_config 0.0.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f638ead748c2a4fdb0bbca704d49f9fc0b780076507db90d299de5830455ca47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f638ead748c2a4fdb0bbca704d49f9fc0b780076507db90d299de5830455ca47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f638ead748c2a4fdb0bbca704d49f9fc0b780076507db90d299de5830455ca47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f638ead748c2a4fdb0bbca704d49f9fc0b780076507db90d299de5830455ca47", kill_on_drop: false }`
[INFO] [stdout] f638ead748c2a4fdb0bbca704d49f9fc0b780076507db90d299de5830455ca47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1196d29a1df48c64cd712ec47fffb34fafe9cd6df8e1e25a89d46b25decf93a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1196d29a1df48c64cd712ec47fffb34fafe9cd6df8e1e25a89d46b25decf93a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking slr_parser v0.0.20
[INFO] [stderr]     Checking slr_config v0.0.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/de.rs:406:61
[INFO] [stdout]     |
[INFO] [stdout] 406 |             <T as FromStr>::from_str(value).map_err(|e| self.error(e.description()))
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/de.rs:406:61
[INFO] [stdout]     |
[INFO] [stdout] 406 |             <T as FromStr>::from_str(value).map_err(|e| self.error(e.description()))
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "c1196d29a1df48c64cd712ec47fffb34fafe9cd6df8e1e25a89d46b25decf93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1196d29a1df48c64cd712ec47fffb34fafe9cd6df8e1e25a89d46b25decf93a", kill_on_drop: false }`
[INFO] [stdout] c1196d29a1df48c64cd712ec47fffb34fafe9cd6df8e1e25a89d46b25decf93a