[INFO] cloning repository https://github.com/cfsamson/examples-containers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfsamson/examples-containers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-containers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-containers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 530b0beed275d2e099551670f196b70642ad69bb
[INFO] checking cfsamson/examples-containers against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-containers" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfsamson/examples-containers on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cfsamson/examples-containers
[INFO] finished tweaking git repo https://github.com/cfsamson/examples-containers
[INFO] tweaked toml for git repo https://github.com/cfsamson/examples-containers written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cfsamson/examples-containers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 860991b825c2ba97fc505c0d5e3d37b339ea25f5d402ceabe07a86a3ba9fbe91
[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" "860991b825c2ba97fc505c0d5e3d37b339ea25f5d402ceabe07a86a3ba9fbe91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860991b825c2ba97fc505c0d5e3d37b339ea25f5d402ceabe07a86a3ba9fbe91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860991b825c2ba97fc505c0d5e3d37b339ea25f5d402ceabe07a86a3ba9fbe91", kill_on_drop: false }`
[INFO] [stdout] 860991b825c2ba97fc505c0d5e3d37b339ea25f5d402ceabe07a86a3ba9fbe91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f7d5e023b8f365031b2ecc6ab15fc9a462d1812c3bdb72ddaf2ac3e2ddbb8f9
[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" "1f7d5e023b8f365031b2ecc6ab15fc9a462d1812c3bdb72ddaf2ac3e2ddbb8f9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.88
[INFO] [stderr]     Checking containers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `CLONE_NEWNS`, `c_void`
[INFO] [stdout]  --> src/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{self, CLONE_NEWNS, c_void};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CLONE_NEWNS`, `c_void`
[INFO] [stdout]  --> src/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{self, CLONE_NEWNS, c_void};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/command.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn run(self) -> Result<CmdHandle, io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/command.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn run(self) -> Result<CmdHandle, io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "1f7d5e023b8f365031b2ecc6ab15fc9a462d1812c3bdb72ddaf2ac3e2ddbb8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7d5e023b8f365031b2ecc6ab15fc9a462d1812c3bdb72ddaf2ac3e2ddbb8f9", kill_on_drop: false }`
[INFO] [stdout] 1f7d5e023b8f365031b2ecc6ab15fc9a462d1812c3bdb72ddaf2ac3e2ddbb8f9