[INFO] fetching crate supervisor-rs 0.8.3...
[INFO] checking supervisor-rs-0.8.3 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate supervisor-rs 0.8.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate supervisor-rs 0.8.3 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supervisor-rs 0.8.3
[INFO] finished tweaking crates.io crate supervisor-rs 0.8.3
[INFO] tweaked toml for crates.io crate supervisor-rs 0.8.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate supervisor-rs 0.8.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 ssh2 v0.9.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09ab1066be9c6548fcfadb1440d136a116c3bfe14f645c764606b00e8d392183
[INFO] running `Command { std: "docker" "start" "-a" "09ab1066be9c6548fcfadb1440d136a116c3bfe14f645c764606b00e8d392183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09ab1066be9c6548fcfadb1440d136a116c3bfe14f645c764606b00e8d392183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ab1066be9c6548fcfadb1440d136a116c3bfe14f645c764606b00e8d392183", kill_on_drop: false }`
[INFO] [stdout] 09ab1066be9c6548fcfadb1440d136a116c3bfe14f645c764606b00e8d392183
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8efde4eccd9f6bc8f2f471604f57c9abf0d6c1cf545763af31081912da85f2f0
[INFO] running `Command { std: "docker" "start" "-a" "8efde4eccd9f6bc8f2f471604f57c9abf0d6c1cf545763af31081912da85f2f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ssh2 v0.9.1
[INFO] [stderr]     Checking supervisor-rs v0.8.3 (/opt/rustwide/workdir)
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.17s
[INFO] running `Command { std: "docker" "inspect" "8efde4eccd9f6bc8f2f471604f57c9abf0d6c1cf545763af31081912da85f2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efde4eccd9f6bc8f2f471604f57c9abf0d6c1cf545763af31081912da85f2f0", kill_on_drop: false }`
[INFO] [stdout] 8efde4eccd9f6bc8f2f471604f57c9abf0d6c1cf545763af31081912da85f2f0