[INFO] fetching crate foolang 0.0.0...
[INFO] checking foolang-0.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate foolang 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate foolang 0.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate foolang 0.0.0
[INFO] finished tweaking crates.io crate foolang 0.0.0
[INFO] tweaked toml for crates.io crate foolang 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate foolang 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stdout] 109d998955db4ccda5d3c3fe09d2d63de4d125e2c501a034861bedafd3dce241
[INFO] running `Command { std: "docker" "start" "-a" "109d998955db4ccda5d3c3fe09d2d63de4d125e2c501a034861bedafd3dce241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "109d998955db4ccda5d3c3fe09d2d63de4d125e2c501a034861bedafd3dce241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109d998955db4ccda5d3c3fe09d2d63de4d125e2c501a034861bedafd3dce241", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d84bf828e6c85c9fd62400d902c063c3e9e9ec678fd982563236ad8c850b7ca1
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[INFO] [stderr]     Checking foolang v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/main.rs:199:39
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 panic!("ERROR: module {} specified multiple times with inconsistent paths");
[INFO] [stdout]     |                                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 panic!("ERROR: module {} specified multiple times with inconsistent paths", ...);
[INFO] [stdout]     |                                                                                           ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 panic!("{}", "ERROR: module {} specified multiple times with inconsistent paths");
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/main.rs:199:39
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 panic!("ERROR: module {} specified multiple times with inconsistent paths");
[INFO] [stdout]     |                                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 panic!("ERROR: module {} specified multiple times with inconsistent paths", ...);
[INFO] [stdout]     |                                                                                           ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 panic!("{}", "ERROR: module {} specified multiple times with inconsistent paths");
[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 1m 11s
[INFO] running `Command { std: "docker" "inspect" "d84bf828e6c85c9fd62400d902c063c3e9e9ec678fd982563236ad8c850b7ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84bf828e6c85c9fd62400d902c063c3e9e9ec678fd982563236ad8c850b7ca1", kill_on_drop: false }`
[INFO] [stdout] d84bf828e6c85c9fd62400d902c063c3e9e9ec678fd982563236ad8c850b7ca1