[INFO] cloning repository https://github.com/mtkennerly/shawl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtkennerly/shawl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtkennerly%2Fshawl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtkennerly%2Fshawl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e22c746270031d94527090370b3f93dd45ece729
[INFO] checking mtkennerly/shawl against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtkennerly%2Fshawl" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtkennerly/shawl on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mtkennerly/shawl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded speculate v0.1.2
[INFO] [stderr]   Downloaded flexi_logger v0.15.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c527521e73696ddfbfe91eca18bb180900c7808db040bd274fedec0492bc4c2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c527521e73696ddfbfe91eca18bb180900c7808db040bd274fedec0492bc4c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c527521e73696ddfbfe91eca18bb180900c7808db040bd274fedec0492bc4c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c527521e73696ddfbfe91eca18bb180900c7808db040bd274fedec0492bc4c2f", kill_on_drop: false }`
[INFO] [stdout] c527521e73696ddfbfe91eca18bb180900c7808db040bd274fedec0492bc4c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93d32f41c9cafacf27fb3813cdf6205ed6914b4d9f1f2d32444c9f8f264ef75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e93d32f41c9cafacf27fb3813cdf6205ed6914b4d9f1f2d32444c9f8f264ef75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking windows-service v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking flexi_logger v0.15.12
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking shawl v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `structopt::StructOpt`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use structopt::StructOpt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prepare_logging`
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn prepare_logging(name: &str, console: bool) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_service`
[INFO] [stdout]    --> src/main.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn add_service(name: String, cwd: Option<String>, opts: CommonOpts) -> Result<(), ()> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `should_restart_exited_command`
[INFO] [stdout]    --> src/main.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn should_restart_exited_command(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `should_restart_terminated_command`
[INFO] [stdout]    --> src/main.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn should_restart_terminated_command(restart: bool, _no_restart: bool) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `construct_shawl_run_args`
[INFO] [stdout]    --> src/main.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn construct_shawl_run_args(name: &str, cwd: &Option<String>, opts: &CommonOpts) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prepare_command`
[INFO] [stdout]    --> src/main.rs:247:4
[INFO] [stdout]     |
[INFO] [stdout] 247 | fn prepare_command(command: &[String]) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quote`
[INFO] [stdout]    --> src/main.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn quote(text: &str) -> String {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ProcessStatus`
[INFO] [stdout]    --> src/main.rs:309:6
[INFO] [stdout]     |
[INFO] [stdout] 309 | enum ProcessStatus {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_process`
[INFO] [stdout]    --> src/main.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn check_process(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prepare_logging`
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn prepare_logging(name: &str, console: bool) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_service`
[INFO] [stdout]    --> src/main.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn add_service(name: String, cwd: Option<String>, opts: CommonOpts) -> Result<(), ()> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ProcessStatus`
[INFO] [stdout]    --> src/main.rs:309:6
[INFO] [stdout]     |
[INFO] [stdout] 309 | enum ProcessStatus {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_process`
[INFO] [stdout]    --> src/main.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn check_process(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.42s
[INFO] running `Command { std: "docker" "inspect" "e93d32f41c9cafacf27fb3813cdf6205ed6914b4d9f1f2d32444c9f8f264ef75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93d32f41c9cafacf27fb3813cdf6205ed6914b4d9f1f2d32444c9f8f264ef75", kill_on_drop: false }`
[INFO] [stdout] e93d32f41c9cafacf27fb3813cdf6205ed6914b4d9f1f2d32444c9f8f264ef75