[INFO] cloning repository https://github.com/Postur/inc_down_core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Postur/inc_down_core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPostur%2Finc_down_core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPostur%2Finc_down_core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 675a43ee0f8d886091230e0b56e9665c353ff43a
[INFO] checking Postur/inc_down_core against master#bd71213cf0a765705e7d72a099151bd4eb465ccb for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPostur%2Finc_down_core" "/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/Postur/inc_down_core on toolchain bd71213cf0a765705e7d72a099151bd4eb465ccb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Postur/inc_down_core
[INFO] finished tweaking git repo https://github.com/Postur/inc_down_core
[INFO] tweaked toml for git repo https://github.com/Postur/inc_down_core written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Postur/inc_down_core 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" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "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 Postur/inc_down_core against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPostur%2Finc_down_core" "/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/Postur/inc_down_core on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Postur/inc_down_core
[INFO] finished tweaking git repo https://github.com/Postur/inc_down_core
[INFO] tweaked toml for git repo https://github.com/Postur/inc_down_core written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Postur/inc_down_core 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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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 clap_derive v3.2.2
[INFO] [stderr]   Downloaded clap v3.2.2
[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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4f26ce2b5db1c2e7458674e5025aed01c6e5e50314c6f351cb86736000234c
[INFO] running `Command { std: "docker" "start" "-a" "8f4f26ce2b5db1c2e7458674e5025aed01c6e5e50314c6f351cb86736000234c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4f26ce2b5db1c2e7458674e5025aed01c6e5e50314c6f351cb86736000234c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4f26ce2b5db1c2e7458674e5025aed01c6e5e50314c6f351cb86736000234c", kill_on_drop: false }`
[INFO] [stdout] 8f4f26ce2b5db1c2e7458674e5025aed01c6e5e50314c6f351cb86736000234c
[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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a5e61fa4186e9cf7f8203925fb1ceade284e3fb7986a8e7936e3c36f556818
[INFO] running `Command { std: "docker" "start" "-a" "a1a5e61fa4186e9cf7f8203925fb1ceade284e3fb7986a8e7936e3c36f556818", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling clap_derive v3.2.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking clap v3.2.2
[INFO] [stderr]     Checking inc_down_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::PathBuf`
[INFO] [stdout]  --> src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, fs, path::PathBuf};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::PathBuf`
[INFO] [stdout]  --> src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, fs, path::PathBuf};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `clap::ArgAction::StoreValue`: Replaced with `ArgAction::Set` or `ArgAction::Append`
[INFO] [stdout]  --> src/main.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     parse(from_os_str),
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `clap::ArgAction::StoreValue`: Replaced with `ArgAction::Set` or `ArgAction::Append`
[INFO] [stdout]   --> src/main.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 |     parse(from_os_str),
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `clap::ArgAction::StoreValue`: Replaced with `ArgAction::Set` or `ArgAction::Append`
[INFO] [stdout]  --> src/main.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     parse(from_os_str),
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `clap::ArgAction::StoreValue`: Replaced with `ArgAction::Set` or `ArgAction::Append`
[INFO] [stdout]   --> src/main.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 |     parse(from_os_str),
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Command<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Command<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "a1a5e61fa4186e9cf7f8203925fb1ceade284e3fb7986a8e7936e3c36f556818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a5e61fa4186e9cf7f8203925fb1ceade284e3fb7986a8e7936e3c36f556818", kill_on_drop: false }`
[INFO] [stdout] a1a5e61fa4186e9cf7f8203925fb1ceade284e3fb7986a8e7936e3c36f556818