[INFO] fetching crate porthole 0.1.0...
[INFO] building porthole-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate porthole 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate porthole 0.1.0
[INFO] finished tweaking crates.io crate porthole 0.1.0
[INFO] tweaked toml for crates.io crate porthole 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate porthole 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a78c075ecaadbc3220acedb086e5d26b41d19555bd8c74dbc4b34f135a3bb9
[INFO] running `Command { std: "docker" "start" "-a" "52a78c075ecaadbc3220acedb086e5d26b41d19555bd8c74dbc4b34f135a3bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a78c075ecaadbc3220acedb086e5d26b41d19555bd8c74dbc4b34f135a3bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a78c075ecaadbc3220acedb086e5d26b41d19555bd8c74dbc4b34f135a3bb9", kill_on_drop: false }`
[INFO] [stdout] 52a78c075ecaadbc3220acedb086e5d26b41d19555bd8c74dbc4b34f135a3bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b188cd4db9cd7c0dd64811a8e4bd31625f9acbd6924c1b1d8977fd86130dd1b3
[INFO] running `Command { std: "docker" "start" "-a" "b188cd4db9cd7c0dd64811a8e4bd31625f9acbd6924c1b1d8977fd86130dd1b3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling porthole v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/main.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Err(e)   => panic!(format!("unable to resolve an open port: {}", e))
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[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/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]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Err(e)   => panic!(format!("unable to resolve an open port: {}", e))
[INFO] [stdout] 6 +     Err(e)   => panic!("unable to resolve an open port: {}", e)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b188cd4db9cd7c0dd64811a8e4bd31625f9acbd6924c1b1d8977fd86130dd1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b188cd4db9cd7c0dd64811a8e4bd31625f9acbd6924c1b1d8977fd86130dd1b3", kill_on_drop: false }`
[INFO] [stdout] b188cd4db9cd7c0dd64811a8e4bd31625f9acbd6924c1b1d8977fd86130dd1b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aebbd6c8c8e8978b5f3c013360944d2c01c3a94e8fc857421e985b1f8c0de1c
[INFO] running `Command { std: "docker" "start" "-a" "9aebbd6c8c8e8978b5f3c013360944d2c01c3a94e8fc857421e985b1f8c0de1c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling porthole v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/main.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Err(e)   => panic!(format!("unable to resolve an open port: {}", e))
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[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/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]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Err(e)   => panic!(format!("unable to resolve an open port: {}", e))
[INFO] [stdout] 6 +     Err(e)   => panic!("unable to resolve an open port: {}", e)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "9aebbd6c8c8e8978b5f3c013360944d2c01c3a94e8fc857421e985b1f8c0de1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aebbd6c8c8e8978b5f3c013360944d2c01c3a94e8fc857421e985b1f8c0de1c", kill_on_drop: false }`
[INFO] [stdout] 9aebbd6c8c8e8978b5f3c013360944d2c01c3a94e8fc857421e985b1f8c0de1c