[INFO] cloning repository peterdelevoryas/io-state-machine-prototype4 [INFO] running `"git" "clone" "--bare" "git://github.com/peterdelevoryas/io-state-machine-prototype4.git" "work/cache/sources/gh/peterdelevoryas/io-state-machine-prototype4"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/peterdelevoryas/io-state-machine-prototype4'... [INFO] running `"git" "clone" "work/cache/sources/gh/peterdelevoryas/io-state-machine-prototype4" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peterdelevoryas/io-state-machine-prototype4"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peterdelevoryas/io-state-machine-prototype4'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/peterdelevoryas/io-state-machine-prototype4" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peterdelevoryas/io-state-machine-prototype4"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peterdelevoryas/io-state-machine-prototype4'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 59a8fe24ee6aff714d9dfac6abb54d62b80735f4 [INFO] sha for GitHub repo peterdelevoryas/io-state-machine-prototype4: 59a8fe24ee6aff714d9dfac6abb54d62b80735f4 [INFO] validating manifest of peterdelevoryas/io-state-machine-prototype4 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of peterdelevoryas/io-state-machine-prototype4 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing peterdelevoryas/io-state-machine-prototype4 [INFO] finished frobbing peterdelevoryas/io-state-machine-prototype4 [INFO] frobbed toml for peterdelevoryas/io-state-machine-prototype4 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peterdelevoryas/io-state-machine-prototype4/Cargo.toml [INFO] started frobbing peterdelevoryas/io-state-machine-prototype4 [INFO] finished frobbing peterdelevoryas/io-state-machine-prototype4 [INFO] frobbed toml for peterdelevoryas/io-state-machine-prototype4 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/peterdelevoryas/io-state-machine-prototype4/Cargo.toml [INFO] crate peterdelevoryas/io-state-machine-prototype4 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing peterdelevoryas/io-state-machine-prototype4 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peterdelevoryas/io-state-machine-prototype4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 4524055d2a0ea73373884e2bf65a20ebbdf6df1a4f861a2e8e79217892ca6845 [INFO] running `"docker" "start" "-a" "4524055d2a0ea73373884e2bf65a20ebbdf6df1a4f861a2e8e79217892ca6845"` [INFO] [stderr] Compiling net2 v0.2.26 [INFO] [stderr] Compiling nix v0.7.0 [INFO] [stderr] Compiling mio v0.6.2 [INFO] [stderr] Compiling io-state-machine-prototype4 v0.1.0 (/opt/crater/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] 187 | return Ok(()) [INFO] [stderr] | ^^^^^^^^^^^^^ [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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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] Finished dev [unoptimized + debuginfo] target(s) in 8.57s [INFO] running `"docker" "inspect" "4524055d2a0ea73373884e2bf65a20ebbdf6df1a4f861a2e8e79217892ca6845"` [INFO] running `"docker" "rm" "-f" "4524055d2a0ea73373884e2bf65a20ebbdf6df1a4f861a2e8e79217892ca6845"` [INFO] [stdout] 4524055d2a0ea73373884e2bf65a20ebbdf6df1a4f861a2e8e79217892ca6845 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peterdelevoryas/io-state-machine-prototype4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] c66386999cbd34cc4d79a50c2eef0248e6687c67167fae113cd1409ba5e54e09 [INFO] running `"docker" "start" "-a" "c66386999cbd34cc4d79a50c2eef0248e6687c67167fae113cd1409ba5e54e09"` [INFO] [stderr] Compiling io-state-machine-prototype4 v0.1.0 (/opt/crater/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] 187 | return Ok(()) [INFO] [stderr] | ^^^^^^^^^^^^^ [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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `"docker" "inspect" "c66386999cbd34cc4d79a50c2eef0248e6687c67167fae113cd1409ba5e54e09"` [INFO] running `"docker" "rm" "-f" "c66386999cbd34cc4d79a50c2eef0248e6687c67167fae113cd1409ba5e54e09"` [INFO] [stdout] c66386999cbd34cc4d79a50c2eef0248e6687c67167fae113cd1409ba5e54e09 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/peterdelevoryas/io-state-machine-prototype4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 0e1ebf3cb4403ee8ef81c842c5c62f751f19555359f9e9846f32bbd9d7407b4d [INFO] running `"docker" "start" "-a" "0e1ebf3cb4403ee8ef81c842c5c62f751f19555359f9e9846f32bbd9d7407b4d"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] Running /opt/crater/target/debug/deps/io_state_machine_prototype4-ca22638924143cba [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" "0e1ebf3cb4403ee8ef81c842c5c62f751f19555359f9e9846f32bbd9d7407b4d"` [INFO] running `"docker" "rm" "-f" "0e1ebf3cb4403ee8ef81c842c5c62f751f19555359f9e9846f32bbd9d7407b4d"` [INFO] [stdout] 0e1ebf3cb4403ee8ef81c842c5c62f751f19555359f9e9846f32bbd9d7407b4d