[INFO] cloning repository https://github.com/FloraUML/FloraUML
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FloraUML/FloraUML" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloraUML%2FFloraUML", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloraUML%2FFloraUML'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b84c46aa179945e87d25f09c2caa1e808d9aa0a
[INFO] checking FloraUML/FloraUML against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloraUML%2FFloraUML" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FloraUML/FloraUML on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FloraUML/FloraUML
[INFO] finished tweaking git repo https://github.com/FloraUML/FloraUML
[INFO] tweaked toml for git repo https://github.com/FloraUML/FloraUML written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/FloraUML/FloraUML already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce8c39f4d9e19d74e2adedf80a25dd47b24c7f61a785bb883291410d65903a0d
[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" "ce8c39f4d9e19d74e2adedf80a25dd47b24c7f61a785bb883291410d65903a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8c39f4d9e19d74e2adedf80a25dd47b24c7f61a785bb883291410d65903a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8c39f4d9e19d74e2adedf80a25dd47b24c7f61a785bb883291410d65903a0d", kill_on_drop: false }`
[INFO] [stdout] ce8c39f4d9e19d74e2adedf80a25dd47b24c7f61a785bb883291410d65903a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c641a62186d7b6a66b3c00a050f46c05870477f1bd348729db94143d5b46ea
[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" "66c641a62186d7b6a66b3c00a050f46c05870477f1bd348729db94143d5b46ea", kill_on_drop: false }`
[INFO] [stderr]     Checking flora_syntax v0.1.0 (/opt/rustwide/workdir/syntax)
[INFO] [stderr]     Checking flora_model v0.1.0 (/opt/rustwide/workdir/model)
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking flora_syntax_to_model v0.1.0 (/opt/rustwide/workdir/syntax_to_model)
[INFO] [stderr]     Checking flora_dot_gen v0.1.0 (/opt/rustwide/workdir/dot_gen)
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking flora_parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> parser/src/lib.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Ok((rest, _)) => panic!(format!("Trailing characters after EOF: {}", rest)),
[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] 16 |         Ok((rest, _)) => panic!("Trailing characters after EOF: {}", rest),
[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]   --> parser/src/lib.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Ok((rest, _)) => panic!(format!("Trailing characters after EOF: {}", rest)),
[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] 16 |         Ok((rest, _)) => panic!("Trailing characters after EOF: {}", rest),
[INFO] [stdout]    |                                --                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flora v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "66c641a62186d7b6a66b3c00a050f46c05870477f1bd348729db94143d5b46ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c641a62186d7b6a66b3c00a050f46c05870477f1bd348729db94143d5b46ea", kill_on_drop: false }`
[INFO] [stdout] 66c641a62186d7b6a66b3c00a050f46c05870477f1bd348729db94143d5b46ea