[INFO] cloning repository https://github.com/nathantypanski/rash [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathantypanski/rash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathantypanski%2Frash", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathantypanski%2Frash'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c401f3176f7d3e70115b8acacd988e159f34169c [INFO] checking nathantypanski/rash against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathantypanski%2Frash" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nathantypanski/rash on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nathantypanski/rash [INFO] finished tweaking git repo https://github.com/nathantypanski/rash [INFO] tweaked toml for git repo https://github.com/nathantypanski/rash written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nathantypanski/rash 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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 nathantypanski/rash against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathantypanski%2Frash" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nathantypanski/rash on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nathantypanski/rash [INFO] finished tweaking git repo https://github.com/nathantypanski/rash [INFO] tweaked toml for git repo https://github.com/nathantypanski/rash written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nathantypanski/rash 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b54151c0f3679fe8fdaa4733f5e2b573f2799ac25367a3c080c1090d4f0c3da1 [INFO] running `Command { std: "docker" "start" "-a" "b54151c0f3679fe8fdaa4733f5e2b573f2799ac25367a3c080c1090d4f0c3da1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b54151c0f3679fe8fdaa4733f5e2b573f2799ac25367a3c080c1090d4f0c3da1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b54151c0f3679fe8fdaa4733f5e2b573f2799ac25367a3c080c1090d4f0c3da1", kill_on_drop: false }` [INFO] [stdout] b54151c0f3679fe8fdaa4733f5e2b573f2799ac25367a3c080c1090d4f0c3da1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79f763428a1c60edb564faa7f95938998994738355891dcb04ff3dcfaf8dc7f9 [INFO] running `Command { std: "docker" "start" "-a" "79f763428a1c60edb564faa7f95938998994738355891dcb04ff3dcfaf8dc7f9", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Checking rash v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Read`, `Stderr`, `Write`, `self` [INFO] [stdout] --> src/main.rs:21:15 [INFO] [stdout] | [INFO] [stdout] 21 | use std::io::{self, Read, Stderr, Write}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Stderr`, `Write`, `self` [INFO] [stdout] --> src/main.rs:21:15 [INFO] [stdout] | [INFO] [stdout] 21 | use std::io::{self, Read, Stderr, Write}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `words` [INFO] [stdout] --> src/main.rs:63:27 [INFO] [stdout] | [INFO] [stdout] 63 | fn history(&mut self, words: std::str::SplitWhitespace) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_words` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `save_history` is never used [INFO] [stdout] --> src/main.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 47 | impl<'a> Shell<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 125 | fn save_history(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `fn(u32)`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:33:46 [INFO] [stdout] | [INFO] [stdout] 33 | fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32); [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider using an `extern fn(...) -> ...` function pointer instead [INFO] [stdout] = note: this function pointer has Rust-specific calling convention [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:78:34 [INFO] [stdout] | [INFO] [stdout] 78 | let cmd = cmd.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `words` [INFO] [stdout] --> src/main.rs:63:27 [INFO] [stdout] | [INFO] [stdout] 63 | fn history(&mut self, words: std::str::SplitWhitespace) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_words` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `save_history` is never used [INFO] [stdout] --> src/main.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 47 | impl<'a> Shell<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 125 | fn save_history(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` block uses type `fn(u32)`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:33:46 [INFO] [stdout] | [INFO] [stdout] 33 | fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32); [INFO] [stdout] | ^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider using an `extern fn(...) -> ...` function pointer instead [INFO] [stdout] = note: this function pointer has Rust-specific calling convention [INFO] [stdout] = note: `#[warn(improper_ctypes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:78:34 [INFO] [stdout] | [INFO] [stdout] 78 | let cmd = cmd.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s [INFO] running `Command { std: "docker" "inspect" "79f763428a1c60edb564faa7f95938998994738355891dcb04ff3dcfaf8dc7f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79f763428a1c60edb564faa7f95938998994738355891dcb04ff3dcfaf8dc7f9", kill_on_drop: false }` [INFO] [stdout] 79f763428a1c60edb564faa7f95938998994738355891dcb04ff3dcfaf8dc7f9