[INFO] fetching crate hambands 0.1.2...
[INFO] checking hambands-0.1.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate hambands 0.1.2 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate hambands 0.1.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53cfcf025ce110bb90d8108abc2c3e0c78510828087c7c05c56d8a17b09dcacd
[INFO] running `Command { std: "docker" "start" "-a" "53cfcf025ce110bb90d8108abc2c3e0c78510828087c7c05c56d8a17b09dcacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53cfcf025ce110bb90d8108abc2c3e0c78510828087c7c05c56d8a17b09dcacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53cfcf025ce110bb90d8108abc2c3e0c78510828087c7c05c56d8a17b09dcacd", kill_on_drop: false }`
[INFO] [stdout] 53cfcf025ce110bb90d8108abc2c3e0c78510828087c7c05c56d8a17b09dcacd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a5fb8b683a7e33637d46134a461975d0dc346a50ff8820f58ee46e1cc22f1fe
[INFO] running `Command { std: "docker" "start" "-a" "0a5fb8b683a7e33637d46134a461975d0dc346a50ff8820f58ee46e1cc22f1fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "0a5fb8b683a7e33637d46134a461975d0dc346a50ff8820f58ee46e1cc22f1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5fb8b683a7e33637d46134a461975d0dc346a50ff8820f58ee46e1cc22f1fe", kill_on_drop: false }`
[INFO] [stdout] 0a5fb8b683a7e33637d46134a461975d0dc346a50ff8820f58ee46e1cc22f1fe