[INFO] fetching crate supervisor-rs 0.6.2...
[INFO] checking supervisor-rs-0.6.2 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate supervisor-rs 0.6.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate supervisor-rs 0.6.2 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supervisor-rs 0.6.2
[INFO] finished tweaking crates.io crate supervisor-rs 0.6.2
[INFO] tweaked toml for crates.io crate supervisor-rs 0.6.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate supervisor-rs 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c17ff27a0e7f1e77816bc3f5741ad5814c9fe6218c463c055eacd8eb6a4c71bc
[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" "c17ff27a0e7f1e77816bc3f5741ad5814c9fe6218c463c055eacd8eb6a4c71bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c17ff27a0e7f1e77816bc3f5741ad5814c9fe6218c463c055eacd8eb6a4c71bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17ff27a0e7f1e77816bc3f5741ad5814c9fe6218c463c055eacd8eb6a4c71bc", kill_on_drop: false }`
[INFO] [stdout] c17ff27a0e7f1e77816bc3f5741ad5814c9fe6218c463c055eacd8eb6a4c71bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576f8ae327c3a3d11772ca35646b182596e2b523c7f358e1a9a4c80bc5ffd6e0
[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" "576f8ae327c3a3d11772ca35646b182596e2b523c7f358e1a9a4c80bc5ffd6e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking supervisor-rs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:284:33
[INFO] [stdout]     |
[INFO] [stdout] 284 |             comm.err().unwrap().description(),
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let mut case0 = vec![
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:309:13
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let mut case1 = vec!["restart", "child", "with", "key", "on", "host1, host2"]; // second hosts format
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:334:13
[INFO] [stdout]     |
[INFO] [stdout] 334 |         let mut case0 = vec![
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `command_argvs`
[INFO] [stdout]    --> src/child.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn command_argvs() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_ls`
[INFO] [stdout]    --> src/child.rs:257:8
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn run_ls() {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.76s
[INFO] running `Command { std: "docker" "inspect" "576f8ae327c3a3d11772ca35646b182596e2b523c7f358e1a9a4c80bc5ffd6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576f8ae327c3a3d11772ca35646b182596e2b523c7f358e1a9a4c80bc5ffd6e0", kill_on_drop: false }`
[INFO] [stdout] 576f8ae327c3a3d11772ca35646b182596e2b523c7f358e1a9a4c80bc5ffd6e0
