[INFO] cloning repository https://github.com/sscdotopen/recoreco [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sscdotopen/recoreco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscdotopen%2Frecoreco", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscdotopen%2Frecoreco'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d46fb314219a3039d53f2592f276e3751178e05e [INFO] testing sscdotopen/recoreco against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscdotopen%2Frecoreco" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sscdotopen/recoreco on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sscdotopen/recoreco [INFO] finished tweaking git repo https://github.com/sscdotopen/recoreco [INFO] tweaked toml for git repo https://github.com/sscdotopen/recoreco written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/sscdotopen/recoreco already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v2.1.0 [INFO] [stderr] Downloaded dtoa v0.4.3 [INFO] [stderr] Downloaded serde_derive v1.0.70 [INFO] [stderr] Downloaded proc-macro2 v0.4.9 [INFO] [stderr] Downloaded quote v0.6.4 [INFO] [stderr] Downloaded rayon-core v1.4.1 [INFO] [stderr] Downloaded lazy_static v1.1.0 [INFO] [stderr] Downloaded either v1.5.0 [INFO] [stderr] Downloaded getopts v0.2.18 [INFO] [stderr] Downloaded csv-core v0.1.4 [INFO] [stderr] Downloaded cfg-if v0.1.5 [INFO] [stderr] Downloaded syn v0.14.5 [INFO] [stderr] Downloaded itoa v0.4.2 [INFO] [stderr] Downloaded version_check v0.1.4 [INFO] [stderr] Downloaded rayon v1.0.2 [INFO] [stderr] Downloaded csv v1.0.1 [INFO] [stderr] Downloaded serde_json v1.0.24 [INFO] [stderr] Downloaded serde v1.0.70 [INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6739ec3106b5fd7843de55582952f77fbf13fdac47fef14e3d7da73d8b76a4da [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" "6739ec3106b5fd7843de55582952f77fbf13fdac47fef14e3d7da73d8b76a4da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6739ec3106b5fd7843de55582952f77fbf13fdac47fef14e3d7da73d8b76a4da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6739ec3106b5fd7843de55582952f77fbf13fdac47fef14e3d7da73d8b76a4da", kill_on_drop: false }` [INFO] [stdout] 6739ec3106b5fd7843de55582952f77fbf13fdac47fef14e3d7da73d8b76a4da [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 934edf6b9600c337afe59ea030fb84401d90fb928f725acfe9f36b5e73272006 [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" "934edf6b9600c337afe59ea030fb84401d90fb928f725acfe9f36b5e73272006", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Compiling csv-core v0.1.4 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Compiling serde_json v1.0.24 [INFO] [stderr] Compiling csv v1.0.1 [INFO] [stderr] Compiling recoreco v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/io.rs:133:10 [INFO] [stdout] | [INFO] [stdout] 133 | ) -> Box [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:184:17 [INFO] [stdout] | [INFO] [stdout] 184 | let mut user_history = &mut samples_of_a[user_idx]; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/indicators.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | ) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.55s [INFO] running `Command { std: "docker" "inspect" "934edf6b9600c337afe59ea030fb84401d90fb928f725acfe9f36b5e73272006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "934edf6b9600c337afe59ea030fb84401d90fb928f725acfe9f36b5e73272006", kill_on_drop: false }` [INFO] [stdout] 934edf6b9600c337afe59ea030fb84401d90fb928f725acfe9f36b5e73272006 [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20e7b75a83728b5d59dafa419280b68f566d82b161c9961b74c97307dca3758d [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" "20e7b75a83728b5d59dafa419280b68f566d82b161c9961b74c97307dca3758d", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/io.rs:133:10 [INFO] [stdout] | [INFO] [stdout] 133 | ) -> Box [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:184:17 [INFO] [stdout] | [INFO] [stdout] 184 | let mut user_history = &mut samples_of_a[user_idx]; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling recoreco v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bin/indicators.rs:97:21 [INFO] [stdout] | [INFO] [stdout] 97 | ) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/io.rs:133:10 [INFO] [stdout] | [INFO] [stdout] 133 | ) -> Box [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:184:17 [INFO] [stdout] | [INFO] [stdout] 184 | let mut user_history = &mut samples_of_a[user_idx]; [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.56s [INFO] running `Command { std: "docker" "inspect" "20e7b75a83728b5d59dafa419280b68f566d82b161c9961b74c97307dca3758d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20e7b75a83728b5d59dafa419280b68f566d82b161c9961b74c97307dca3758d", kill_on_drop: false }` [INFO] [stdout] 20e7b75a83728b5d59dafa419280b68f566d82b161c9961b74c97307dca3758d [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 2bf844d8d26dd296888bb2df543bf3f9ab9e5a03efad9d88ccc5175a163d681a [INFO] running `Command { std: "docker" "start" "-a" "2bf844d8d26dd296888bb2df543bf3f9ab9e5a03efad9d88ccc5175a163d681a", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/io.rs:133:10 [INFO] [stderr] | [INFO] [stderr] 133 | ) -> Box [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:184:17 [INFO] [stderr] | [INFO] [stderr] 184 | let mut user_history = &mut samples_of_a[user_idx]; [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: `recoreco` (lib) generated 2 warnings [INFO] [stderr] warning: `recoreco` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bin/indicators.rs:97:21 [INFO] [stderr] | [INFO] [stderr] 97 | ) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `recoreco` (bin "recoreco" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/recoreco-702e6da99142613c) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test llr::tests::scored_item_ordering_reversed ... ok [INFO] [stdout] test llr::tests::topk ... ok [INFO] [stdout] test stats::tests::dict_from_owned_tuple_iterator ... ok [INFO] [stdout] test stats::tests::renaming_from_dict ... ok [INFO] [stdout] test stats::tests::dict_from_tuple_iterator ... ok [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/recoreco-702e6da99142613c` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "2bf844d8d26dd296888bb2df543bf3f9ab9e5a03efad9d88ccc5175a163d681a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bf844d8d26dd296888bb2df543bf3f9ab9e5a03efad9d88ccc5175a163d681a", kill_on_drop: false }` [INFO] [stdout] 2bf844d8d26dd296888bb2df543bf3f9ab9e5a03efad9d88ccc5175a163d681a