[INFO] fetching crate hambands 0.1.2...
[INFO] checking hambands-0.1.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate hambands 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hambands 0.1.2 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 hambands 0.1.2
[INFO] finished tweaking crates.io crate hambands 0.1.2
[INFO] tweaked toml for crates.io crate hambands 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] fb63dbbbd1b0d148489189df0bab21ebef4aef264d30676e49dedcb074b79a92
[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" "fb63dbbbd1b0d148489189df0bab21ebef4aef264d30676e49dedcb074b79a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb63dbbbd1b0d148489189df0bab21ebef4aef264d30676e49dedcb074b79a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb63dbbbd1b0d148489189df0bab21ebef4aef264d30676e49dedcb074b79a92", kill_on_drop: false }`
[INFO] [stdout] fb63dbbbd1b0d148489189df0bab21ebef4aef264d30676e49dedcb074b79a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 13335afc02e8e0a94810e1c87ad73111f7c3e5abf3cbddf373f1f759f8e0391a
[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" "13335afc02e8e0a94810e1c87ad73111f7c3e5abf3cbddf373f1f759f8e0391a", kill_on_drop: false }`
[INFO] [stderr]     Checking hambands v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/band/mod.rs:167:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 168 | |                     "Low frequency {} >= high frequency {} on band: {}",
[INFO] [stdout] 169 | |                     band.low_frequency, band.high_frequency, band.name
[INFO] [stdout] 170 | |                 ))
[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] 167 |                 panic!(
[INFO] [stdout] 168 |                     "Low frequency {} >= high frequency {} on band: {}",
[INFO] [stdout] 169 |                     band.low_frequency, band.high_frequency, band.name
[INFO] [stdout] 170 |                 )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13335afc02e8e0a94810e1c87ad73111f7c3e5abf3cbddf373f1f759f8e0391a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13335afc02e8e0a94810e1c87ad73111f7c3e5abf3cbddf373f1f759f8e0391a", kill_on_drop: false }`
[INFO] [stdout] 13335afc02e8e0a94810e1c87ad73111f7c3e5abf3cbddf373f1f759f8e0391a