[INFO] updating cached repository https://github.com/mtkennerly/shawl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b4dbbed17916f555263266310bdfbce0c93e7c4
[INFO] checking mtkennerly/shawl against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtkennerly%2Fshawl" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtkennerly/shawl on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mtkennerly/shawl
[INFO] finished tweaking git repo https://github.com/mtkennerly/shawl
[INFO] tweaked toml for git repo https://github.com/mtkennerly/shawl written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mtkennerly/shawl already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c603ecccb827e9ebc0101150816b83e0d55e00e5161048dffd47ab08535147c6
[INFO] running `"docker" "start" "-a" "c603ecccb827e9ebc0101150816b83e0d55e00e5161048dffd47ab08535147c6"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking windows-service v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking simplelog v0.7.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking shawl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/main.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use log::{debug, error};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `structopt::StructOpt`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use structopt::StructOpt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_logging`
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn prepare_logging(console: bool) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_service`
[INFO] [stderr]    --> src/main.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn add_service(name: String, cwd: Option<String>, opts: CommonOpts) -> Result<(), ()> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `should_restart_exited_command`
[INFO] [stderr]    --> src/main.rs:159:4
[INFO] [stderr]     |
[INFO] [stderr] 159 | fn should_restart_exited_command(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `should_restart_terminated_command`
[INFO] [stderr]    --> src/main.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn should_restart_terminated_command(restart: bool, _no_restart: bool) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `construct_shawl_run_args`
[INFO] [stderr]    --> src/main.rs:179:4
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn construct_shawl_run_args(name: &str, cwd: &Option<String>, opts: &CommonOpts) -> Vec<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_command`
[INFO] [stderr]    --> src/main.rs:227:4
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn prepare_command(command: &[String]) -> Vec<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quote`
[INFO] [stderr]    --> src/main.rs:231:4
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn quote(text: &str) -> String {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcessStatus`
[INFO] [stderr]    --> src/main.rs:281:6
[INFO] [stderr]     |
[INFO] [stderr] 281 | enum ProcessStatus {
[INFO] [stderr]     |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_process`
[INFO] [stderr]    --> src/main.rs:287:4
[INFO] [stderr]     |
[INFO] [stderr] 287 | fn check_process(
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/main.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use log::{debug, error};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prepare_logging`
[INFO] [stderr]   --> src/main.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn prepare_logging(console: bool) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_service`
[INFO] [stderr]    --> src/main.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn add_service(name: String, cwd: Option<String>, opts: CommonOpts) -> Result<(), ()> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProcessStatus`
[INFO] [stderr]    --> src/main.rs:281:6
[INFO] [stderr]     |
[INFO] [stderr] 281 | enum ProcessStatus {
[INFO] [stderr]     |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_process`
[INFO] [stderr]    --> src/main.rs:287:4
[INFO] [stderr]     |
[INFO] [stderr] 287 | fn check_process(
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.07s
[INFO] running `"docker" "inspect" "c603ecccb827e9ebc0101150816b83e0d55e00e5161048dffd47ab08535147c6"`
[INFO] running `"docker" "rm" "-f" "c603ecccb827e9ebc0101150816b83e0d55e00e5161048dffd47ab08535147c6"`
[INFO] [stdout] c603ecccb827e9ebc0101150816b83e0d55e00e5161048dffd47ab08535147c6