[INFO] fetching crate iaith 0.0.4-beta.1...
[INFO] checking iaith-0.0.4-beta.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate iaith 0.0.4-beta.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate iaith 0.0.4-beta.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iaith 0.0.4-beta.1
[INFO] finished tweaking crates.io crate iaith 0.0.4-beta.1
[INFO] tweaked toml for crates.io crate iaith 0.0.4-beta.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate iaith 0.0.4-beta.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64426589e02cace8b2f48897aca9c9d6b34be918b538626079fb64b8e3b048e8
[INFO] running `Command { std: "docker" "start" "-a" "64426589e02cace8b2f48897aca9c9d6b34be918b538626079fb64b8e3b048e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64426589e02cace8b2f48897aca9c9d6b34be918b538626079fb64b8e3b048e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64426589e02cace8b2f48897aca9c9d6b34be918b538626079fb64b8e3b048e8", kill_on_drop: false }`
[INFO] [stdout] 64426589e02cace8b2f48897aca9c9d6b34be918b538626079fb64b8e3b048e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47d627dd2e2db39a4bb1f27a9c5d5abfddddbce6087d6a7fa3bc35ee2e98830b
[INFO] running `Command { std: "docker" "start" "-a" "47d627dd2e2db39a4bb1f27a9c5d5abfddddbce6087d6a7fa3bc35ee2e98830b", kill_on_drop: false }`
[INFO] [stderr]     Checking iaith v0.0.4-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/brainf.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |             _ => panic!(format!("Unexpected character, {}", c)),
[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] 183 -             _ => panic!(format!("Unexpected character, {}", c)),
[INFO] [stdout] 183 +             _ => panic!("Unexpected character, {}", c),
[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]    --> src/brainf.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |             _ => panic!(format!("Unexpected character, {}", c)),
[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] 183 -             _ => panic!(format!("Unexpected character, {}", c)),
[INFO] [stdout] 183 +             _ => panic!("Unexpected character, {}", c),
[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 0.61s
[INFO] running `Command { std: "docker" "inspect" "47d627dd2e2db39a4bb1f27a9c5d5abfddddbce6087d6a7fa3bc35ee2e98830b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d627dd2e2db39a4bb1f27a9c5d5abfddddbce6087d6a7fa3bc35ee2e98830b", kill_on_drop: false }`
[INFO] [stdout] 47d627dd2e2db39a4bb1f27a9c5d5abfddddbce6087d6a7fa3bc35ee2e98830b