[INFO] fetching crate pagong 0.1.1...
[INFO] checking pagong-0.1.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate pagong 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pagong 0.1.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 019164f7159916d52ce99552f14808593136a4c300c9a44e0f2b82c3049b8f61
[INFO] running `Command { std: "docker" "start" "-a" "019164f7159916d52ce99552f14808593136a4c300c9a44e0f2b82c3049b8f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "019164f7159916d52ce99552f14808593136a4c300c9a44e0f2b82c3049b8f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019164f7159916d52ce99552f14808593136a4c300c9a44e0f2b82c3049b8f61", kill_on_drop: false }`
[INFO] [stdout] 019164f7159916d52ce99552f14808593136a4c300c9a44e0f2b82c3049b8f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 5e0fb3f3bc236cbd7a9b9e06f58e2f180da3b2a51b0f794d5f407ffb1c6af90d
[INFO] running `Command { std: "docker" "start" "-a" "5e0fb3f3bc236cbd7a9b9e06f58e2f180da3b2a51b0f794d5f407ffb1c6af90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking diligent-date-parser v0.1.0
[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_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 12.99s
[INFO] running `Command { std: "docker" "inspect" "5e0fb3f3bc236cbd7a9b9e06f58e2f180da3b2a51b0f794d5f407ffb1c6af90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0fb3f3bc236cbd7a9b9e06f58e2f180da3b2a51b0f794d5f407ffb1c6af90d", kill_on_drop: false }`
[INFO] [stdout] 5e0fb3f3bc236cbd7a9b9e06f58e2f180da3b2a51b0f794d5f407ffb1c6af90d