[INFO] fetching crate yard 0.2.5...
[INFO] checking yard-0.2.5 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate yard 0.2.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yard 0.2.5 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yard 0.2.5
[INFO] finished tweaking crates.io crate yard 0.2.5
[INFO] tweaked toml for crates.io crate yard 0.2.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aac1f3f5f2a88cc59a2d4f26ef861977bc6f5a7726f0661a1fe2797d35e92ef7
[INFO] running `Command { std: "docker" "start" "-a" "aac1f3f5f2a88cc59a2d4f26ef861977bc6f5a7726f0661a1fe2797d35e92ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aac1f3f5f2a88cc59a2d4f26ef861977bc6f5a7726f0661a1fe2797d35e92ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac1f3f5f2a88cc59a2d4f26ef861977bc6f5a7726f0661a1fe2797d35e92ef7", kill_on_drop: false }`
[INFO] [stdout] aac1f3f5f2a88cc59a2d4f26ef861977bc6f5a7726f0661a1fe2797d35e92ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcef31be15118c164db22f40a51f9e9753249f302eff6c1b9811c0e4a8f7059c
[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" "dcef31be15118c164db22f40a51f9e9753249f302eff6c1b9811c0e4a8f7059c", kill_on_drop: false }`
[INFO] [stderr]     Checking yard v0.2.5 (/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/parser.rs:24:83
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 let rpnt = RPNToken::Operand(num.parse::<i64>().map_err(|err| err.description().to_string())?);
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/parser.rs:62:75
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rpnt = RPNToken::Operand(num.parse::<i64>().map_err(|err| err.description().to_string())?);
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[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/parser.rs:24:83
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 let rpnt = RPNToken::Operand(num.parse::<i64>().map_err(|err| err.description().to_string())?);
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/parser.rs:62:75
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let rpnt = RPNToken::Operand(num.parse::<i64>().map_err(|err| err.description().to_string())?);
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "dcef31be15118c164db22f40a51f9e9753249f302eff6c1b9811c0e4a8f7059c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcef31be15118c164db22f40a51f9e9753249f302eff6c1b9811c0e4a8f7059c", kill_on_drop: false }`
[INFO] [stdout] dcef31be15118c164db22f40a51f9e9753249f302eff6c1b9811c0e4a8f7059c