[INFO] updating cached repository https://github.com/fatoche/rustbridge-workshop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 261b8b6099756ab9b59cdebc000eb0d6f72feb89 [INFO] checking fatoche/rustbridge-workshop against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffatoche%2Frustbridge-workshop" "/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/fatoche/rustbridge-workshop on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fatoche/rustbridge-workshop [INFO] finished tweaking git repo https://github.com/fatoche/rustbridge-workshop [INFO] tweaked toml for git repo https://github.com/fatoche/rustbridge-workshop written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/fatoche/rustbridge-workshop already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7101696de74361a210f0c52b2d4a709675c63b740d5bcdf7e7df1a7f9d393cb0 [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" "7101696de74361a210f0c52b2d4a709675c63b740d5bcdf7e7df1a7f9d393cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7101696de74361a210f0c52b2d4a709675c63b740d5bcdf7e7df1a7f9d393cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7101696de74361a210f0c52b2d4a709675c63b740d5bcdf7e7df1a7f9d393cb0", kill_on_drop: false }` [INFO] [stdout] 7101696de74361a210f0c52b2d4a709675c63b740d5bcdf7e7df1a7f9d393cb0 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8576ffbd056d2aa58c2ca71e2f12690a01570bdd9376bd2491b724f5a5b67151 [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" "8576ffbd056d2aa58c2ca71e2f12690a01570bdd9376bd2491b724f5a5b67151", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking motivations v1.1.2 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Checking http v0.1.5 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking pick-one v1.0.1 [INFO] [stderr] Checking simple-server v0.3.0 [INFO] [stderr] Checking rustbridge-workshop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `learning_main` [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn learning_main() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_fifty` [INFO] [stdout] --> src/main.rs:84:4 [INFO] [stdout] | [INFO] [stdout] 84 | fn add_fifty(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `learning_main` [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn learning_main() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.78s [INFO] running `Command { std: "docker" "inspect" "8576ffbd056d2aa58c2ca71e2f12690a01570bdd9376bd2491b724f5a5b67151", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8576ffbd056d2aa58c2ca71e2f12690a01570bdd9376bd2491b724f5a5b67151", kill_on_drop: false }` [INFO] [stdout] 8576ffbd056d2aa58c2ca71e2f12690a01570bdd9376bd2491b724f5a5b67151