[INFO] cloning repository https://github.com/raphychek/Project-parallel-and-reactive-programming [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raphychek/Project-parallel-and-reactive-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphychek%2FProject-parallel-and-reactive-programming", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphychek%2FProject-parallel-and-reactive-programming'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 26112c485e2c8b9709cce43958ece8c42a70374a [INFO] testing raphychek/Project-parallel-and-reactive-programming against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphychek%2FProject-parallel-and-reactive-programming" "/workspace/builds/worker-109/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raphychek/Project-parallel-and-reactive-programming on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/raphychek/Project-parallel-and-reactive-programming [INFO] finished tweaking git repo https://github.com/raphychek/Project-parallel-and-reactive-programming [INFO] tweaked toml for git repo https://github.com/raphychek/Project-parallel-and-reactive-programming written to /workspace/builds/worker-109/source/Cargo.toml [INFO] crate git repo https://github.com/raphychek/Project-parallel-and-reactive-programming already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33a24fa32c5df6c88de752055ce625b9f698e54df9229b92145904d12464795a [INFO] running `Command { std: "docker" "start" "-a" "33a24fa32c5df6c88de752055ce625b9f698e54df9229b92145904d12464795a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33a24fa32c5df6c88de752055ce625b9f698e54df9229b92145904d12464795a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33a24fa32c5df6c88de752055ce625b9f698e54df9229b92145904d12464795a", kill_on_drop: false }` [INFO] [stdout] 33a24fa32c5df6c88de752055ce625b9f698e54df9229b92145904d12464795a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81cc4c9c080c8c874e781ea71d326c8d6a36d7590b0781e1993738016a8d1af4 [INFO] running `Command { std: "docker" "start" "-a" "81cc4c9c080c8c874e781ea71d326c8d6a36d7590b0781e1993738016a8d1af4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling crossbeam-epoch v0.6.0 [INFO] [stderr] Compiling crossbeam-deque v0.5.2 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [INFO] [stderr] Compiling crossbeam v0.4.1 [INFO] [stderr] Compiling rrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parallel/single_use.rs:230:37 [INFO] [stdout] | [INFO] [stdout] 230 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parallel/multiple_uses.rs:353:37 [INFO] [stdout] | [INFO] [stdout] 353 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.08s [INFO] running `Command { std: "docker" "inspect" "81cc4c9c080c8c874e781ea71d326c8d6a36d7590b0781e1993738016a8d1af4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81cc4c9c080c8c874e781ea71d326c8d6a36d7590b0781e1993738016a8d1af4", kill_on_drop: false }` [INFO] [stdout] 81cc4c9c080c8c874e781ea71d326c8d6a36d7590b0781e1993738016a8d1af4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c9832ca5e09266fe93e4783da44269f3c13daaec162c88555f4deb5ba230d5a [INFO] running `Command { std: "docker" "start" "-a" "0c9832ca5e09266fe93e4783da44269f3c13daaec162c88555f4deb5ba230d5a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parallel/single_use.rs:230:37 [INFO] [stdout] | [INFO] [stdout] 230 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parallel/multiple_uses.rs:353:37 [INFO] [stdout] | [INFO] [stdout] 353 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:87:18 [INFO] [stdout] | [INFO] [stdout] 87 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:113:18 [INFO] [stdout] | [INFO] [stdout] 113 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parallel/single_use.rs:230:37 [INFO] [stdout] | [INFO] [stdout] 230 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parallel/multiple_uses.rs:353:37 [INFO] [stdout] | [INFO] [stdout] 353 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.34s [INFO] running `Command { std: "docker" "inspect" "0c9832ca5e09266fe93e4783da44269f3c13daaec162c88555f4deb5ba230d5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c9832ca5e09266fe93e4783da44269f3c13daaec162c88555f4deb5ba230d5a", kill_on_drop: false }` [INFO] [stdout] 0c9832ca5e09266fe93e4783da44269f3c13daaec162c88555f4deb5ba230d5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a6b70c9384518d732eaa30bafc6bfd196d29544f4691cb6502497b49e2678ac8 [INFO] running `Command { std: "docker" "start" "-a" "a6b70c9384518d732eaa30bafc6bfd196d29544f4691cb6502497b49e2678ac8", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parallel/single_use.rs:230:37 [INFO] [stderr] | [INFO] [stderr] 230 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parallel/multiple_uses.rs:353:37 [INFO] [stderr] | [INFO] [stderr] 353 | ... let mut tour = Arc::new(Compteur::new(0)); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:87:18 [INFO] [stderr] | [INFO] [stderr] 87 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:113:18 [INFO] [stderr] | [INFO] [stderr] 113 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: `rrs` (lib) generated 2 warnings [INFO] [stderr] warning: `rrs` (lib test) generated 4 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.33s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rrs-aaaab0dccfb922eb) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/rrs-aaaab0dccfb922eb` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "a6b70c9384518d732eaa30bafc6bfd196d29544f4691cb6502497b49e2678ac8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6b70c9384518d732eaa30bafc6bfd196d29544f4691cb6502497b49e2678ac8", kill_on_drop: false }` [INFO] [stdout] a6b70c9384518d732eaa30bafc6bfd196d29544f4691cb6502497b49e2678ac8