[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraphychek%2FProject-parallel-and-reactive-programming" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raphychek/Project-parallel-and-reactive-programming on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fb3d1f6f9f1e1fc3358d982036dc6543e6ef5714edea6a31910dff31ff01cb4c [INFO] running `Command { std: "docker" "start" "-a" "fb3d1f6f9f1e1fc3358d982036dc6543e6ef5714edea6a31910dff31ff01cb4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb3d1f6f9f1e1fc3358d982036dc6543e6ef5714edea6a31910dff31ff01cb4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb3d1f6f9f1e1fc3358d982036dc6543e6ef5714edea6a31910dff31ff01cb4c", kill_on_drop: false }` [INFO] [stdout] fb3d1f6f9f1e1fc3358d982036dc6543e6ef5714edea6a31910dff31ff01cb4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86227bf0a338de536bbb4c216e7bad74771ae93a85f9ecafd4dbd71b6c2f63ea [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" "86227bf0a338de536bbb4c216e7bad74771ae93a85f9ecafd4dbd71b6c2f63ea", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling lock_api v0.1.4 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.6.0 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [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 16.89s [INFO] running `Command { std: "docker" "inspect" "86227bf0a338de536bbb4c216e7bad74771ae93a85f9ecafd4dbd71b6c2f63ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86227bf0a338de536bbb4c216e7bad74771ae93a85f9ecafd4dbd71b6c2f63ea", kill_on_drop: false }` [INFO] [stdout] 86227bf0a338de536bbb4c216e7bad74771ae93a85f9ecafd4dbd71b6c2f63ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6f9d01745b0f2d364fcb5642848c780721c2e8216fffbfddbcc1fcc623cdda0a [INFO] running `Command { std: "docker" "start" "-a" "6f9d01745b0f2d364fcb5642848c780721c2e8216fffbfddbcc1fcc623cdda0a", kill_on_drop: false }` [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: 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 test [unoptimized + debuginfo] target(s) in 5.68s [INFO] running `Command { std: "docker" "inspect" "6f9d01745b0f2d364fcb5642848c780721c2e8216fffbfddbcc1fcc623cdda0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f9d01745b0f2d364fcb5642848c780721c2e8216fffbfddbcc1fcc623cdda0a", kill_on_drop: false }` [INFO] [stdout] 6f9d01745b0f2d364fcb5642848c780721c2e8216fffbfddbcc1fcc623cdda0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7b3783adfb4e36e3e096076305b40a9e85085ac2f2c8247197e602d680e73dfe [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" "7b3783adfb4e36e3e096076305b40a9e85085ac2f2c8247197e602d680e73dfe", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 4 tests [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: 2 warnings emitted [INFO] [stderr] [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rrs-33c461f320734582 [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-33c461f320734582` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "7b3783adfb4e36e3e096076305b40a9e85085ac2f2c8247197e602d680e73dfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3783adfb4e36e3e096076305b40a9e85085ac2f2c8247197e602d680e73dfe", kill_on_drop: false }` [INFO] [stdout] 7b3783adfb4e36e3e096076305b40a9e85085ac2f2c8247197e602d680e73dfe