[INFO] cloning repository https://github.com/AndrewGrim/mark_downer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewGrim/mark_downer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGrim%2Fmark_downer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGrim%2Fmark_downer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55bb71c4f2586d9af37767441b64740859587c86
[INFO] checking AndrewGrim/mark_downer against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGrim%2Fmark_downer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndrewGrim/mark_downer on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndrewGrim/mark_downer
[INFO] finished tweaking git repo https://github.com/AndrewGrim/mark_downer
[INFO] tweaked toml for git repo https://github.com/AndrewGrim/mark_downer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/AndrewGrim/mark_downer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] b661fe00d4c5cc4ccbfee6bd764cfe9a18a70379bda6bc94f3bfbecfc474769f
[INFO] running `Command { std: "docker" "start" "-a" "b661fe00d4c5cc4ccbfee6bd764cfe9a18a70379bda6bc94f3bfbecfc474769f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b661fe00d4c5cc4ccbfee6bd764cfe9a18a70379bda6bc94f3bfbecfc474769f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b661fe00d4c5cc4ccbfee6bd764cfe9a18a70379bda6bc94f3bfbecfc474769f", kill_on_drop: false }`
[INFO] [stdout] b661fe00d4c5cc4ccbfee6bd764cfe9a18a70379bda6bc94f3bfbecfc474769f
[INFO] running `Command { std: "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" "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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afdad2efe71e166c1b7d320622fb29b3fc0626e8d27f5a5b69c072121984d88f
[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" "afdad2efe71e166c1b7d320622fb29b3fc0626e8d27f5a5b69c072121984d88f", kill_on_drop: false }`
[INFO] [stderr]     Checking markdown v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lexer.rs:504:29
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 _ => panic!(format!("Encounterd TokenType other than expected! {:#?}", token)),
[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]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 504 |                 _ => panic!("Encounterd TokenType other than expected! {:#?}", token),
[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 1.32s
[INFO] running `Command { std: "docker" "inspect" "afdad2efe71e166c1b7d320622fb29b3fc0626e8d27f5a5b69c072121984d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdad2efe71e166c1b7d320622fb29b3fc0626e8d27f5a5b69c072121984d88f", kill_on_drop: false }`
[INFO] [stdout] afdad2efe71e166c1b7d320622fb29b3fc0626e8d27f5a5b69c072121984d88f