[INFO] cloning repository https://github.com/dramforever/binderlay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dramforever/binderlay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdramforever%2Fbinderlay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdramforever%2Fbinderlay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbf4fec2fbde9d2cfdcdb8b368abf93bee4a1fb5
[INFO] checking dramforever/binderlay against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdramforever%2Fbinderlay" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dramforever/binderlay
[INFO] finished tweaking git repo https://github.com/dramforever/binderlay
[INFO] tweaked toml for git repo https://github.com/dramforever/binderlay written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dramforever/binderlay on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dramforever/binderlay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39dc7d670fb320dc0b091272d4f34a106522b0495216915fa81476a2fb73e03
[INFO] running `Command { std: "docker" "start" "-a" "f39dc7d670fb320dc0b091272d4f34a106522b0495216915fa81476a2fb73e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39dc7d670fb320dc0b091272d4f34a106522b0495216915fa81476a2fb73e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39dc7d670fb320dc0b091272d4f34a106522b0495216915fa81476a2fb73e03", kill_on_drop: false }`
[INFO] [stdout] f39dc7d670fb320dc0b091272d4f34a106522b0495216915fa81476a2fb73e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fec22eae01bff5b684bb8abdf2da32365292732bfb82ed37869f4b9384dc495b
[INFO] running `Command { std: "docker" "start" "-a" "fec22eae01bff5b684bb8abdf2da32365292732bfb82ed37869f4b9384dc495b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking binderlay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 228 | /     execv(
[INFO] [stdout] 229 | |         &CString::new(actions.exec_path.as_bytes()).unwrap(),
[INFO] [stdout] 230 | |         &actions
[INFO] [stdout] 231 | |             .exec_args
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |             .collect::<Vec<_>>(),
[INFO] [stdout] 235 | |     )?;
[INFO] [stdout]     | |______- any code following this expression is unreachable
[INFO] [stdout] 236 |
[INFO] [stdout] 237 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 228 | /     execv(
[INFO] [stdout] 229 | |         &CString::new(actions.exec_path.as_bytes()).unwrap(),
[INFO] [stdout] 230 | |         &actions
[INFO] [stdout] 231 | |             .exec_args
[INFO] [stdout] ...   |
[INFO] [stdout] 234 | |             .collect::<Vec<_>>(),
[INFO] [stdout] 235 | |     )?;
[INFO] [stdout]     | |______- any code following this expression is unreachable
[INFO] [stdout] 236 |
[INFO] [stdout] 237 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "fec22eae01bff5b684bb8abdf2da32365292732bfb82ed37869f4b9384dc495b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec22eae01bff5b684bb8abdf2da32365292732bfb82ed37869f4b9384dc495b", kill_on_drop: false }`
[INFO] [stdout] fec22eae01bff5b684bb8abdf2da32365292732bfb82ed37869f4b9384dc495b
