[INFO] fetching crate pagong 0.1.1...
[INFO] checking pagong-0.1.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate pagong 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pagong 0.1.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pagong 0.1.1
[INFO] finished tweaking crates.io crate pagong 0.1.1
[INFO] tweaked toml for crates.io crate pagong 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate pagong 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61140905d4853f275748cd3525d9d1e87042510cd2ba6a34d69d8dfdde184d35
[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" "61140905d4853f275748cd3525d9d1e87042510cd2ba6a34d69d8dfdde184d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61140905d4853f275748cd3525d9d1e87042510cd2ba6a34d69d8dfdde184d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61140905d4853f275748cd3525d9d1e87042510cd2ba6a34d69d8dfdde184d35", kill_on_drop: false }`
[INFO] [stdout] 61140905d4853f275748cd3525d9d1e87042510cd2ba6a34d69d8dfdde184d35
[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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47c30b9243153a57454f6352773f624bd953d072c901988794d0f6402e006ddf
[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" "47c30b9243153a57454f6352773f624bd953d072c901988794d0f6402e006ddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking diligent-date-parser v0.1.0
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking atom_syndication v0.9.0
[INFO] [stderr]     Checking pagong v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/html.rs:245:16
[INFO] [stdout]     |
[INFO] [stdout] 245 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 246 | |             "user somehow wrote {} identically-named headings",
[INFO] [stdout] 247 | |             usize::MAX - 2
[INFO] [stdout] 248 | |         ));
[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] 245 |         panic!(
[INFO] [stdout] 246 |             "user somehow wrote {} identically-named headings",
[INFO] [stdout] 247 |             usize::MAX - 2
[INFO] [stdout] 248 |         );
[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/html.rs:245:16
[INFO] [stdout]     |
[INFO] [stdout] 245 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 246 | |             "user somehow wrote {} identically-named headings",
[INFO] [stdout] 247 | |             usize::MAX - 2
[INFO] [stdout] 248 | |         ));
[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] 245 |         panic!(
[INFO] [stdout] 246 |             "user somehow wrote {} identically-named headings",
[INFO] [stdout] 247 |             usize::MAX - 2
[INFO] [stdout] 248 |         );
[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 8.84s
[INFO] running `Command { std: "docker" "inspect" "47c30b9243153a57454f6352773f624bd953d072c901988794d0f6402e006ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c30b9243153a57454f6352773f624bd953d072c901988794d0f6402e006ddf", kill_on_drop: false }`
[INFO] [stdout] 47c30b9243153a57454f6352773f624bd953d072c901988794d0f6402e006ddf