[INFO] updating cached repository https://github.com/peterdelevoryas/io-state-machine-prototype4 [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 59a8fe24ee6aff714d9dfac6abb54d62b80735f4 [INFO] testing peterdelevoryas/io-state-machine-prototype4 against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterdelevoryas%2Fio-state-machine-prototype4" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/peterdelevoryas/io-state-machine-prototype4 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/peterdelevoryas/io-state-machine-prototype4 [INFO] finished tweaking git repo https://github.com/peterdelevoryas/io-state-machine-prototype4 [INFO] tweaked toml for git repo https://github.com/peterdelevoryas/io-state-machine-prototype4 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/peterdelevoryas/io-state-machine-prototype4 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b40426a1a9b13576cd4e173f66a6dc0c869c073fb1fe596b69935d7643faa8ab [INFO] running `"docker" "start" "-a" "b40426a1a9b13576cd4e173f66a6dc0c869c073fb1fe596b69935d7643faa8ab"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling lazycell v0.4.0 [INFO] [stderr] Compiling nix v0.7.0 [INFO] [stderr] Compiling net2 v0.2.26 [INFO] [stderr] Compiling mio v0.6.2 [INFO] [stderr] Compiling io-state-machine-prototype4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:27:76 [INFO] [stderr] | [INFO] [stderr] 27 | not_started: &mut VecDeque) -> TaskStatus>> [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:111:28 [INFO] [stderr] | [INFO] [stderr] 111 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:187:5 [INFO] [stderr] | [INFO] [stderr] 128 | / loop { [INFO] [stderr] 129 | | while !not_started.is_empty() { [INFO] [stderr] 130 | | let task_slab_index = not_started.pop_front().unwrap(); [INFO] [stderr] 131 | | // for first run, assume readable and writable, run method [INFO] [stderr] ... | [INFO] [stderr] 184 | | } [INFO] [stderr] 185 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 186 | [INFO] [stderr] 187 | return Ok(()) [INFO] [stderr] | ^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:140:47 [INFO] [stderr] | [INFO] [stderr] 140 | Task::Conn { conn_slab_index: i } => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:148:34 [INFO] [stderr] | [INFO] [stderr] 148 | TaskStatus::Done(result) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:167:47 [INFO] [stderr] | [INFO] [stderr] 167 | Task::Conn { conn_slab_index: i } => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:175:34 [INFO] [stderr] | [INFO] [stderr] 175 | TaskStatus::Done(result) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ready` [INFO] [stderr] --> src/main.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | ready: mio::Ready, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ready` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KineticRequest` [INFO] [stderr] --> src/main.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | KineticRequest, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.88s [INFO] running `"docker" "inspect" "b40426a1a9b13576cd4e173f66a6dc0c869c073fb1fe596b69935d7643faa8ab"` [INFO] running `"docker" "rm" "-f" "b40426a1a9b13576cd4e173f66a6dc0c869c073fb1fe596b69935d7643faa8ab"` [INFO] [stdout] b40426a1a9b13576cd4e173f66a6dc0c869c073fb1fe596b69935d7643faa8ab [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] f1fae175fddc2233bf867cd1bc628e4b90b3fd307e0fe51240b0dfdc52e6339b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f1fae175fddc2233bf867cd1bc628e4b90b3fd307e0fe51240b0dfdc52e6339b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling io-state-machine-prototype4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:27:76 [INFO] [stderr] | [INFO] [stderr] 27 | not_started: &mut VecDeque) -> TaskStatus>> [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:111:28 [INFO] [stderr] | [INFO] [stderr] 111 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:187:5 [INFO] [stderr] | [INFO] [stderr] 128 | / loop { [INFO] [stderr] 129 | | while !not_started.is_empty() { [INFO] [stderr] 130 | | let task_slab_index = not_started.pop_front().unwrap(); [INFO] [stderr] 131 | | // for first run, assume readable and writable, run method [INFO] [stderr] ... | [INFO] [stderr] 184 | | } [INFO] [stderr] 185 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 186 | [INFO] [stderr] 187 | return Ok(()) [INFO] [stderr] | ^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:140:47 [INFO] [stderr] | [INFO] [stderr] 140 | Task::Conn { conn_slab_index: i } => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:148:34 [INFO] [stderr] | [INFO] [stderr] 148 | TaskStatus::Done(result) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:167:47 [INFO] [stderr] | [INFO] [stderr] 167 | Task::Conn { conn_slab_index: i } => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:175:34 [INFO] [stderr] | [INFO] [stderr] 175 | TaskStatus::Done(result) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ready` [INFO] [stderr] --> src/main.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | ready: mio::Ready, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ready` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KineticRequest` [INFO] [stderr] --> src/main.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | KineticRequest, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `"docker" "inspect" "f1fae175fddc2233bf867cd1bc628e4b90b3fd307e0fe51240b0dfdc52e6339b"` [INFO] running `"docker" "rm" "-f" "f1fae175fddc2233bf867cd1bc628e4b90b3fd307e0fe51240b0dfdc52e6339b"` [INFO] [stdout] f1fae175fddc2233bf867cd1bc628e4b90b3fd307e0fe51240b0dfdc52e6339b [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stdout] b027091dee994508bdc776a45b1a4c82daa8b508ef1e114d3001c86f2ed56fbd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "b027091dee994508bdc776a45b1a4c82daa8b508ef1e114d3001c86f2ed56fbd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:27:76 [INFO] [stderr] | [INFO] [stderr] 27 | not_started: &mut VecDeque) -> TaskStatus>> [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:111:28 [INFO] [stderr] | [INFO] [stderr] 111 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:187:5 [INFO] [stderr] | [INFO] [stderr] 128 | / loop { [INFO] [stderr] 129 | | while !not_started.is_empty() { [INFO] [stderr] 130 | | let task_slab_index = not_started.pop_front().unwrap(); [INFO] [stderr] 131 | | // for first run, assume readable and writable, run method [INFO] [stderr] ... | [INFO] [stderr] 184 | | } [INFO] [stderr] 185 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 186 | [INFO] [stderr] 187 | return Ok(()) [INFO] [stderr] | ^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:140:47 [INFO] [stderr] | [INFO] [stderr] 140 | Task::Conn { conn_slab_index: i } => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:148:34 [INFO] [stderr] | [INFO] [stderr] 148 | TaskStatus::Done(result) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:167:47 [INFO] [stderr] | [INFO] [stderr] 167 | Task::Conn { conn_slab_index: i } => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:175:34 [INFO] [stderr] | [INFO] [stderr] 175 | TaskStatus::Done(result) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ready` [INFO] [stderr] --> src/main.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | ready: mio::Ready, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ready` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KineticRequest` [INFO] [stderr] --> src/main.rs:108:5 [INFO] [stderr] | [INFO] [stderr] 108 | KineticRequest, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/io_state_machine_prototype4-5351acde38b92aec [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "b027091dee994508bdc776a45b1a4c82daa8b508ef1e114d3001c86f2ed56fbd"` [INFO] running `"docker" "rm" "-f" "b027091dee994508bdc776a45b1a4c82daa8b508ef1e114d3001c86f2ed56fbd"` [INFO] [stdout] b027091dee994508bdc776a45b1a4c82daa8b508ef1e114d3001c86f2ed56fbd