[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] testing cfsamson/examples-containers against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-containers" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfsamson/examples-containers on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d347b177fe8f1aafca502bbfee7c005723b0dd351b2e0e491bcf7854f3a642bd
[INFO] running `Command { std: "docker" "start" "-a" "d347b177fe8f1aafca502bbfee7c005723b0dd351b2e0e491bcf7854f3a642bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d347b177fe8f1aafca502bbfee7c005723b0dd351b2e0e491bcf7854f3a642bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d347b177fe8f1aafca502bbfee7c005723b0dd351b2e0e491bcf7854f3a642bd", kill_on_drop: false }`
[INFO] [stdout] d347b177fe8f1aafca502bbfee7c005723b0dd351b2e0e491bcf7854f3a642bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 716255173cd0aa9f56b884ecf8140a48c530032363a464c0a39f3d73c6104c9b
[INFO] running `Command { std: "docker" "start" "-a" "716255173cd0aa9f56b884ecf8140a48c530032363a464c0a39f3d73c6104c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "716255173cd0aa9f56b884ecf8140a48c530032363a464c0a39f3d73c6104c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716255173cd0aa9f56b884ecf8140a48c530032363a464c0a39f3d73c6104c9b", kill_on_drop: false }`
[INFO] [stdout] 716255173cd0aa9f56b884ecf8140a48c530032363a464c0a39f3d73c6104c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d832960e12b981d8744247a5f5dcd077cd4003f93a8d16ea5d35992b46eb7d4
[INFO] running `Command { std: "docker" "start" "-a" "2d832960e12b981d8744247a5f5dcd077cd4003f93a8d16ea5d35992b46eb7d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "2d832960e12b981d8744247a5f5dcd077cd4003f93a8d16ea5d35992b46eb7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d832960e12b981d8744247a5f5dcd077cd4003f93a8d16ea5d35992b46eb7d4", kill_on_drop: false }`
[INFO] [stdout] 2d832960e12b981d8744247a5f5dcd077cd4003f93a8d16ea5d35992b46eb7d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43c80e36c329b9c0a85ca425715ca37c9513801b810254bcd497b090949f1a67
[INFO] running `Command { std: "docker" "start" "-a" "43c80e36c329b9c0a85ca425715ca37c9513801b810254bcd497b090949f1a67", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `CLONE_NEWNS`, `c_void`
[INFO] [stderr]  --> src/main.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use libc::{self, CLONE_NEWNS, c_void};
[INFO] [stderr]   |                  ^^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/command.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn run(self) -> Result<CmdHandle, io::Error> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/containers-0a850a30ba64d3d2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43c80e36c329b9c0a85ca425715ca37c9513801b810254bcd497b090949f1a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c80e36c329b9c0a85ca425715ca37c9513801b810254bcd497b090949f1a67", kill_on_drop: false }`
[INFO] [stdout] 43c80e36c329b9c0a85ca425715ca37c9513801b810254bcd497b090949f1a67