[INFO] cloning repository https://github.com/iamgabrielsoft/Rx [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamgabrielsoft/Rx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2FRx", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2FRx'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 465196993b5d67114a073c406b00e6bab54c906a [INFO] checking iamgabrielsoft/Rx against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2FRx" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iamgabrielsoft/Rx 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/iamgabrielsoft/Rx [INFO] finished tweaking git repo https://github.com/iamgabrielsoft/Rx [INFO] tweaked toml for git repo https://github.com/iamgabrielsoft/Rx written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iamgabrielsoft/Rx 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 iamgabrielsoft/Rx against try#3931cbb869e499bf6db1e4d580cc247efbf183df for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2FRx" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iamgabrielsoft/Rx on toolchain 3931cbb869e499bf6db1e4d580cc247efbf183df [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iamgabrielsoft/Rx [INFO] finished tweaking git repo https://github.com/iamgabrielsoft/Rx [INFO] tweaked toml for git repo https://github.com/iamgabrielsoft/Rx written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iamgabrielsoft/Rx 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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking iamgabrielsoft/Rx against try#3931cbb869e499bf6db1e4d580cc247efbf183df for pr-118920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamgabrielsoft%2FRx" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iamgabrielsoft/Rx on toolchain 3931cbb869e499bf6db1e4d580cc247efbf183df [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iamgabrielsoft/Rx [INFO] finished tweaking git repo https://github.com/iamgabrielsoft/Rx [INFO] tweaked toml for git repo https://github.com/iamgabrielsoft/Rx written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iamgabrielsoft/Rx 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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "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 ryu v1.0.10 [INFO] [stderr] Downloaded std_prelude v0.2.12 [INFO] [stderr] Downloaded textwrap v0.10.0 [INFO] [stderr] Downloaded itoa v1.0.2 [INFO] [stderr] Downloaded stfu8 v0.2.5 [INFO] [stderr] Downloaded serde v1.0.139 [INFO] [stderr] Downloaded clap v2.32.0 [INFO] [stderr] Downloaded serde_json v1.0.82 [INFO] [stderr] Downloaded serde_derive v1.0.139 [INFO] [stderr] Downloaded redox_syscall v0.2.13 [INFO] [stderr] Downloaded path_abs v0.4.1 [INFO] [stderr] Downloaded any_ascii v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 744f8717947213357e09045cadaa001377a781a8aec1e3fb6e7bc4a5ebc510d2 [INFO] running `Command { std: "docker" "start" "-a" "744f8717947213357e09045cadaa001377a781a8aec1e3fb6e7bc4a5ebc510d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "744f8717947213357e09045cadaa001377a781a8aec1e3fb6e7bc4a5ebc510d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "744f8717947213357e09045cadaa001377a781a8aec1e3fb6e7bc4a5ebc510d2", kill_on_drop: false }` [INFO] [stdout] 744f8717947213357e09045cadaa001377a781a8aec1e3fb6e7bc4a5ebc510d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+3931cbb869e499bf6db1e4d580cc247efbf183df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5aaabaaf5ebb821a3da7ada33f6f19b1e6b187798ad960a984f0aa268299e61c [INFO] running `Command { std: "docker" "start" "-a" "5aaabaaf5ebb821a3da7ada33f6f19b1e6b187798ad960a984f0aa268299e61c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking std_prelude v0.2.12 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking any_ascii v0.3.1 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking stfu8 v0.2.5 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking path_abs v0.4.1 [INFO] [stderr] Checking rx v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tempfile::tempfile` [INFO] [stdout] --> src/dumpfile.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | use tempfile::tempfile; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/dumpfile.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/app.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/fileutils.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 113 | / return low_source == low_target && [INFO] [stdout] 114 | | source_metadata.file_type() == target_metadata.file_type() && [INFO] [stdout] 115 | | source_metadata.len() == target_metadata.len() [INFO] [stdout] 116 | | && source_metadata.modified().unwrap() == target_metadata.modified().unwrap() [INFO] [stdout] | |_________________________________________________________________________________________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 120 | source == target [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/fileutils.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 113 | / return low_source == low_target && [INFO] [stdout] 114 | | source_metadata.file_type() == target_metadata.file_type() && [INFO] [stdout] 115 | | source_metadata.len() == target_metadata.len() [INFO] [stdout] 116 | | && source_metadata.modified().unwrap() == target_metadata.modified().unwrap() [INFO] [stdout] | |_________________________________________________________________________________________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 120 | source == target [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `base_color` [INFO] [stdout] --> src/output.rs:153:58 [INFO] [stdout] | [INFO] [stdout] 153 | fn string_diff(&self, original: &str, changed: &str, base_color: Style, diff_color: Style) -> String { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_color` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/output.rs:152:12 [INFO] [stdout] | [INFO] [stdout] 152 | #[warn(unused_variables)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_a_valid_string` is never used [INFO] [stdout] --> src/app.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 167 | fn get_a_valid_string() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `base_color` [INFO] [stdout] --> src/output.rs:153:58 [INFO] [stdout] | [INFO] [stdout] 153 | fn string_diff(&self, original: &str, changed: &str, base_color: Style, diff_color: Style) -> String { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_color` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/output.rs:152:12 [INFO] [stdout] | [INFO] [stdout] 152 | #[warn(unused_variables)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `CreateSymlink` is never constructed [INFO] [stdout] --> src/error.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum ErrorKind { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 10 | CreateSymlink, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ErrorKind` 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: function `create_symlink` is never used [INFO] [stdout] --> src/fileutils.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn create_symlink(source: &Path, symlink_file: &Path) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cleanup_paths` is never used [INFO] [stdout] --> src/fileutils.rs:151:8 [INFO] [stdout] | [INFO] [stdout] 151 | pub fn cleanup_paths(paths: &mut PathList, keep_dirs: bool) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.86s [INFO] running `Command { std: "docker" "inspect" "5aaabaaf5ebb821a3da7ada33f6f19b1e6b187798ad960a984f0aa268299e61c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5aaabaaf5ebb821a3da7ada33f6f19b1e6b187798ad960a984f0aa268299e61c", kill_on_drop: false }` [INFO] [stdout] 5aaabaaf5ebb821a3da7ada33f6f19b1e6b187798ad960a984f0aa268299e61c