[INFO] cloning repository https://github.com/maekawatoshiki/rucc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maekawatoshiki/rucc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaekawatoshiki%2Frucc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaekawatoshiki%2Frucc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 949eaf8e0b36a020df765646e5d61062fbece4db [INFO] checking maekawatoshiki/rucc against try#be699666730c5a1745838222e98e2d85019affdc for pr-134300 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaekawatoshiki%2Frucc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/maekawatoshiki/rucc on toolchain be699666730c5a1745838222e98e2d85019affdc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/maekawatoshiki/rucc [INFO] finished tweaking git repo https://github.com/maekawatoshiki/rucc [INFO] tweaked toml for git repo https://github.com/maekawatoshiki/rucc written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/maekawatoshiki/rucc already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v100.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 443ba3149c6486c2d3e0668480af6d1545547688da4a4e19eb495f960145f500 [INFO] running `Command { std: "docker" "start" "-a" "443ba3149c6486c2d3e0668480af6d1545547688da4a4e19eb495f960145f500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "443ba3149c6486c2d3e0668480af6d1545547688da4a4e19eb495f960145f500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443ba3149c6486c2d3e0668480af6d1545547688da4a4e19eb495f960145f500", kill_on_drop: false }` [INFO] [stdout] 443ba3149c6486c2d3e0668480af6d1545547688da4a4e19eb495f960145f500 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d21a93767c40678f7f11a7092b591f62301fa99b48fd6054a95c8d3055e4801 [INFO] running `Command { std: "docker" "start" "-a" "8d21a93767c40678f7f11a7092b591f62301fa99b48fd6054a95c8d3055e4801", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling regex-syntax v0.7.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling aho-corasick v1.0.5 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling regex-automata v0.3.8 [INFO] [stderr] Compiling regex v1.9.5 [INFO] [stderr] Compiling llvm-sys v100.2.4 [INFO] [stderr] Checking rucc v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:43:26 [INFO] [stdout] | [INFO] [stdout] 43 | Err(e) => panic!(format!("error: {:?}", e.kind())), [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 [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)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 43 - Err(e) => panic!(format!("error: {:?}", e.kind())), [INFO] [stdout] 43 + Err(e) => panic!("error: {:?}", e.kind()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:77:26 [INFO] [stdout] | [INFO] [stdout] 77 | Err(e) => panic!(format!("error: {:?}", e.kind())), [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 [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] 77 - Err(e) => panic!(format!("error: {:?}", e.kind())), [INFO] [stdout] 77 + Err(e) => panic!("error: {:?}", e.kind()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:100:38 [INFO] [stdout] | [INFO] [stdout] 100 | Err(e) => panic!(format!("err in codegen: {:?}", 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 [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] 100 - Err(e) => panic!(format!("err in codegen: {:?}", e)), [INFO] [stdout] 100 + Err(e) => panic!("err in codegen: {:?}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.02s [INFO] running `Command { std: "docker" "inspect" "8d21a93767c40678f7f11a7092b591f62301fa99b48fd6054a95c8d3055e4801", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d21a93767c40678f7f11a7092b591f62301fa99b48fd6054a95c8d3055e4801", kill_on_drop: false }` [INFO] [stdout] 8d21a93767c40678f7f11a7092b591f62301fa99b48fd6054a95c8d3055e4801