[INFO] cloning repository https://github.com/Yuta1004/dragonbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuta1004/dragonbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fdragonbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fdragonbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 867555e90fd13660bd38129c702239c704841fc6
[INFO] checking Yuta1004/dragonbook against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fdragonbook" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yuta1004/dragonbook on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yuta1004/dragonbook
[INFO] finished tweaking git repo https://github.com/Yuta1004/dragonbook
[INFO] tweaked toml for git repo https://github.com/Yuta1004/dragonbook written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Yuta1004/dragonbook already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e826bb11228508fbe749e594038d6727208aa94" "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] 721c2a9d972464aecbaab2ddc13e97cb0cd176e14f62a89e85c3df47b18259c9
[INFO] running `Command { std: "docker" "start" "-a" "721c2a9d972464aecbaab2ddc13e97cb0cd176e14f62a89e85c3df47b18259c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "721c2a9d972464aecbaab2ddc13e97cb0cd176e14f62a89e85c3df47b18259c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721c2a9d972464aecbaab2ddc13e97cb0cd176e14f62a89e85c3df47b18259c9", kill_on_drop: false }`
[INFO] [stdout] 721c2a9d972464aecbaab2ddc13e97cb0cd176e14f62a89e85c3df47b18259c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3448641c0cb8f43d481d5c2a262a2825a0d815a8fd70392889c83240520455d4
[INFO] running `Command { std: "docker" "start" "-a" "3448641c0cb8f43d481d5c2a262a2825a0d815a8fd70392889c83240520455d4", kill_on_drop: false }`
[INFO] [stderr]     Checking dragonbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/chapter2/parser/_defparser.rs:36:52
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(msg) if msg != "eof" => panic!(msg),
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(msg) if msg != "eof" => panic!("{}", msg),
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(msg) if msg != "eof" => std::panic::panic_any(msg),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/chapter2/parser/_defparser.rs:36:52
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(msg) if msg != "eof" => panic!(msg),
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(msg) if msg != "eof" => panic!("{}", msg),
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(msg) if msg != "eof" => std::panic::panic_any(msg),
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "3448641c0cb8f43d481d5c2a262a2825a0d815a8fd70392889c83240520455d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3448641c0cb8f43d481d5c2a262a2825a0d815a8fd70392889c83240520455d4", kill_on_drop: false }`
[INFO] [stdout] 3448641c0cb8f43d481d5c2a262a2825a0d815a8fd70392889c83240520455d4