[INFO] cloning repository https://github.com/importcjj/mobc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/importcjj/mobc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimportcjj%2Fmobc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimportcjj%2Fmobc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5f89cfc77ca480dd63d8686178e0ef52c6e8c23
[INFO] checking importcjj/mobc against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimportcjj%2Fmobc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/importcjj/mobc on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/importcjj/mobc
[INFO] finished tweaking git repo https://github.com/importcjj/mobc
[INFO] tweaked toml for git repo https://github.com/importcjj/mobc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47efbb8384b9e4df044079cc66b9b69bfce14a2924950463a40e475aa41c3d0f
[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" "47efbb8384b9e4df044079cc66b9b69bfce14a2924950463a40e475aa41c3d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47efbb8384b9e4df044079cc66b9b69bfce14a2924950463a40e475aa41c3d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47efbb8384b9e4df044079cc66b9b69bfce14a2924950463a40e475aa41c3d0f", kill_on_drop: false }`
[INFO] [stdout] 47efbb8384b9e4df044079cc66b9b69bfce14a2924950463a40e475aa41c3d0f
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc949712079613ac36990b65e1f38fd48ff315b45d5e8bf3a75e8c8b653a9584
[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" "dc949712079613ac36990b65e1f38fd48ff315b45d5e8bf3a75e8c8b653a9584", kill_on_drop: false }`
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[INFO] [stderr]     Checking mobc v0.6.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> tests/mobc.rs:363:26
[INFO] [stdout]     |
[INFO] [stdout] 363 |             _ => panic!("{:?} expected"),
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 363 |             _ => panic!("{:?} expected", ...),
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 363 |             _ => panic!("{}", "{:?} expected"),
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "dc949712079613ac36990b65e1f38fd48ff315b45d5e8bf3a75e8c8b653a9584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc949712079613ac36990b65e1f38fd48ff315b45d5e8bf3a75e8c8b653a9584", kill_on_drop: false }`
[INFO] [stdout] dc949712079613ac36990b65e1f38fd48ff315b45d5e8bf3a75e8c8b653a9584