[INFO] fetching crate pagong 0.1.1...
[INFO] checking pagong-0.1.1 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[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 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.1
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.0
[INFO] [stderr]   Downloaded atom_syndication v0.9.0
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47cb184a62e25488c3b1c089a8ac542be1fcf21b51fdbfd5598a63dc1a87753b
[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" "47cb184a62e25488c3b1c089a8ac542be1fcf21b51fdbfd5598a63dc1a87753b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cb184a62e25488c3b1c089a8ac542be1fcf21b51fdbfd5598a63dc1a87753b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cb184a62e25488c3b1c089a8ac542be1fcf21b51fdbfd5598a63dc1a87753b", kill_on_drop: false }`
[INFO] [stdout] 47cb184a62e25488c3b1c089a8ac542be1fcf21b51fdbfd5598a63dc1a87753b
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2475117f9fe3b1736df76419d11d6dc10e865c3be08389505e526883f0a37b8f
[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" "2475117f9fe3b1736df76419d11d6dc10e865c3be08389505e526883f0a37b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking time v0.1.43
[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_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 13.31s
[INFO] running `Command { std: "docker" "inspect" "2475117f9fe3b1736df76419d11d6dc10e865c3be08389505e526883f0a37b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2475117f9fe3b1736df76419d11d6dc10e865c3be08389505e526883f0a37b8f", kill_on_drop: false }`
[INFO] [stdout] 2475117f9fe3b1736df76419d11d6dc10e865c3be08389505e526883f0a37b8f