[INFO] cloning repository https://github.com/puma3/LittleCompiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puma3/LittleCompiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2FLittleCompiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2FLittleCompiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 37588c3b17b6e257fd086c9965287ba644dc6140 [INFO] checking puma3/LittleCompiler against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118916 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2FLittleCompiler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/puma3/LittleCompiler on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/puma3/LittleCompiler [INFO] finished tweaking git repo https://github.com/puma3/LittleCompiler [INFO] tweaked toml for git repo https://github.com/puma3/LittleCompiler written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/puma3/LittleCompiler 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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking puma3/LittleCompiler against try#3d5258f568a4b4970d455e4e29f39fd691b5a41a for pr-118916 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2FLittleCompiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/puma3/LittleCompiler on toolchain 3d5258f568a4b4970d455e4e29f39fd691b5a41a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/puma3/LittleCompiler [INFO] finished tweaking git repo https://github.com/puma3/LittleCompiler [INFO] tweaked toml for git repo https://github.com/puma3/LittleCompiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/puma3/LittleCompiler 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" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "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 pest v1.0.0-beta.17 [INFO] [stderr] Downloaded pest_derive v1.0.0-beta.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11074ef09a6b3cd804c4df0c92c43d433ccdbb4e867efd66189343f05db9aa44 [INFO] running `Command { std: "docker" "start" "-a" "11074ef09a6b3cd804c4df0c92c43d433ccdbb4e867efd66189343f05db9aa44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11074ef09a6b3cd804c4df0c92c43d433ccdbb4e867efd66189343f05db9aa44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11074ef09a6b3cd804c4df0c92c43d433ccdbb4e867efd66189343f05db9aa44", kill_on_drop: false }` [INFO] [stdout] 11074ef09a6b3cd804c4df0c92c43d433ccdbb4e867efd66189343f05db9aa44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9e4a73f1aac4b6f4a5f904aa66cbf8ae4cf2680ca231400ee4faca47f642ce5 [INFO] running `Command { std: "docker" "start" "-a" "b9e4a73f1aac4b6f4a5f904aa66cbf8ae4cf2680ca231400ee4faca47f642ce5", kill_on_drop: false }` [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling pest v1.0.0-beta.17 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling pest_derive v1.0.0-beta.17 [INFO] [stderr] Checking compiler v0.1.0 (/opt/rustwide/workdir/libs/compiler) [INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> libs/compiler/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(underscore_lifetimes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `string_retain` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> libs/compiler/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(string_retain)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right`: superseded by `trim_end` [INFO] [stdout] --> libs/compiler/src/translation.rs:108:103 [INFO] [stdout] | [INFO] [stdout] 108 | Rule::num | Rule::identifier => val = inner_pair.clone().into_span().as_str().to_string().trim_right().to_string(), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 108 | Rule::num | Rule::identifier => val = inner_pair.clone().into_span().as_str().to_string().trim_end().to_string(), [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `table` [INFO] [stdout] --> libs/compiler/src/translation.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 101 | table: Arc>, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_table` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Print` is never constructed [INFO] [stdout] --> libs/compiler/src/translation.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum InstructionType { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 15 | Print, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InstructionType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `insert_var` is never used [INFO] [stdout] --> libs/compiler/src/interpreter.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 20 | impl Stack { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn insert_var(&mut self, ident: String, val: Val) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking little_compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.72s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.10.8 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b9e4a73f1aac4b6f4a5f904aa66cbf8ae4cf2680ca231400ee4faca47f642ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e4a73f1aac4b6f4a5f904aa66cbf8ae4cf2680ca231400ee4faca47f642ce5", kill_on_drop: false }` [INFO] [stdout] b9e4a73f1aac4b6f4a5f904aa66cbf8ae4cf2680ca231400ee4faca47f642ce5