[INFO] fetching crate runner 0.5.0... [INFO] checking runner-0.5.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] extracting crate runner 0.5.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate runner 0.5.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate runner 0.5.0 [INFO] finished tweaking crates.io crate runner 0.5.0 [INFO] tweaked toml for crates.io crate runner 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate runner 0.5.0 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.66 [INFO] [stderr] Downloaded json v0.11.12 [INFO] [stderr] Downloaded isatty v0.1.8 [INFO] [stderr] Downloaded quote v0.6.3 [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded cc v1.0.36 [INFO] [stderr] Downloaded toml v0.4.6 [INFO] [stderr] Downloaded easy-shortcuts v0.3.0 [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded serde v1.0.66 [INFO] [stderr] Downloaded syn v0.14.2 [INFO] [stderr] Downloaded libc v0.2.54 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded lapp v0.4.0 [INFO] [stderr] Downloaded open v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ceaeb76508132f56d7547689ff3f770d051f104a6b3e3cd9137937e9dfc739f [INFO] running `Command { std: "docker" "start" "-a" "2ceaeb76508132f56d7547689ff3f770d051f104a6b3e3cd9137937e9dfc739f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ceaeb76508132f56d7547689ff3f770d051f104a6b3e3cd9137937e9dfc739f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ceaeb76508132f56d7547689ff3f770d051f104a6b3e3cd9137937e9dfc739f", kill_on_drop: false }` [INFO] [stdout] 2ceaeb76508132f56d7547689ff3f770d051f104a6b3e3cd9137937e9dfc739f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66f299b14d8217f6a537e28e062febead373c43e8b67696f274ba962b0965ef8 [INFO] running `Command { std: "docker" "start" "-a" "66f299b14d8217f6a537e28e062febead373c43e8b67696f274ba962b0965ef8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking open v1.2.1 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Checking easy-shortcuts v0.3.0 [INFO] [stderr] Checking json v0.11.12 [INFO] [stderr] Checking lapp v0.4.0 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking isatty v0.1.8 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Checking runner v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected item, found keyword `let` [INFO] [stdout] --> examples/read.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | let code = fs::read_to_string("read.rs")?; [INFO] [stdout] | ^^^ [INFO] [stdout] | | [INFO] [stdout] | `let` cannot be used for global variables [INFO] [stdout] | help: consider using `static` or `const` instead of `let` [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected item, found keyword `let` [INFO] [stdout] --> examples/filetime.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | let metadata = fs::metadata("filetime.rs").unwrap(); [INFO] [stdout] | ^^^ [INFO] [stdout] | | [INFO] [stdout] | `let` cannot be used for global variables [INFO] [stdout] | help: consider using `static` or `const` instead of `let` [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected item, found keyword `let` [INFO] [stdout] --> examples/regex.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | let re = Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap(); [INFO] [stdout] | ^^^ [INFO] [stdout] | | [INFO] [stdout] | `let` cannot be used for global variables [INFO] [stdout] | help: consider using `static` or `const` instead of `let` [INFO] [stdout] | [INFO] [stdout] = note: for a full list of items that can appear in modules, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `runner` (example "read") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: macro expansion ignores `{` and any tokens following [INFO] [stdout] --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/macros.rs:142:23 [INFO] [stdout] | [INFO] [stdout] ::: examples/hello.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | println!("hello, world!"); [INFO] [stdout] | ------------------------- caused by the macro expansion here [INFO] [stdout] | [INFO] [stdout] = note: the usage of `println!` is likely invalid in item context [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `runner` (example "filetime") due to 1 previous error [INFO] [stdout] error: macro expansion ignores `{` and any tokens following [INFO] [stdout] --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/macros.rs:142:23 [INFO] [stdout] | [INFO] [stdout] ::: examples/json.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / println!("{}", [INFO] [stdout] 5 | | json! ({ [INFO] [stdout] 6 | | "hello": 42, [INFO] [stdout] 7 | | }) [INFO] [stdout] 8 | | ); [INFO] [stdout] | |_- caused by the macro expansion here [INFO] [stdout] | [INFO] [stdout] = note: the usage of `println!` is likely invalid in item context [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `hello` [INFO] [stdout] --> examples/hello.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | println!("hello, world!"); [INFO] [stdout] | ^ consider adding a `main` function to `examples/hello.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `serde_json` [INFO] [stdout] --> examples/json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json::json; [INFO] [stdout] | ^^^^^^^^^^ use of undeclared crate or module `serde_json` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `runner` (example "regex") due to 1 previous error [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `json` [INFO] [stdout] --> examples/json.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | ); [INFO] [stdout] | ^ consider adding a `main` function to `examples/json.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0601. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `runner` (example "hello") due to 2 previous errors [INFO] [stderr] error: could not compile `runner` (example "json") due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "66f299b14d8217f6a537e28e062febead373c43e8b67696f274ba962b0965ef8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66f299b14d8217f6a537e28e062febead373c43e8b67696f274ba962b0965ef8", kill_on_drop: false }` [INFO] [stdout] 66f299b14d8217f6a537e28e062febead373c43e8b67696f274ba962b0965ef8