[INFO] cloning repository https://github.com/prasenjeetd/rust-custom-errors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prasenjeetd/rust-custom-errors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprasenjeetd%2Frust-custom-errors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprasenjeetd%2Frust-custom-errors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71d31239067cb520844f2fe9acc15e0a1bcd77fd
[INFO] checking prasenjeetd/rust-custom-errors against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprasenjeetd%2Frust-custom-errors" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prasenjeetd/rust-custom-errors on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prasenjeetd/rust-custom-errors
[INFO] finished tweaking git repo https://github.com/prasenjeetd/rust-custom-errors
[INFO] tweaked toml for git repo https://github.com/prasenjeetd/rust-custom-errors written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/prasenjeetd/rust-custom-errors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75f753bafc5ca48676369538f8c4e5dffbbb0e15f0d91da76f8fb47dae0e334d
[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" "75f753bafc5ca48676369538f8c4e5dffbbb0e15f0d91da76f8fb47dae0e334d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75f753bafc5ca48676369538f8c4e5dffbbb0e15f0d91da76f8fb47dae0e334d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f753bafc5ca48676369538f8c4e5dffbbb0e15f0d91da76f8fb47dae0e334d", kill_on_drop: false }`
[INFO] [stdout] 75f753bafc5ca48676369538f8c4e5dffbbb0e15f0d91da76f8fb47dae0e334d
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a24d365a53f1cee571c5cc71e5a840c7a21c9f52f5cd1cf7de200820cf191b89
[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" "a24d365a53f1cee571c5cc71e5a840c7a21c9f52f5cd1cf7de200820cf191b89", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking rustq v0.1.0 (/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/main.rs:35:67
[INFO] [stdout]    |
[INFO] [stdout] 35 |         format!("error parsing '{}' as int: {}", num_as_string, e.description())
[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/main.rs:35:67
[INFO] [stdout]    |
[INFO] [stdout] 35 |         format!("error parsing '{}' as int: {}", num_as_string, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a24d365a53f1cee571c5cc71e5a840c7a21c9f52f5cd1cf7de200820cf191b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24d365a53f1cee571c5cc71e5a840c7a21c9f52f5cd1cf7de200820cf191b89", kill_on_drop: false }`
[INFO] [stdout] a24d365a53f1cee571c5cc71e5a840c7a21c9f52f5cd1cf7de200820cf191b89