[INFO] cloning repository https://github.com/RCasatta/integer-compression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RCasatta/integer-compression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Finteger-compression", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Finteger-compression'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef37ff31167fa2e80379319c5dcf9e26b7b5d235 [INFO] testing RCasatta/integer-compression against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRCasatta%2Finteger-compression" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RCasatta/integer-compression 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/RCasatta/integer-compression [INFO] finished tweaking git repo https://github.com/RCasatta/integer-compression [INFO] tweaked toml for git repo https://github.com/RCasatta/integer-compression written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/RCasatta/integer-compression 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arrayref v0.3.4 [INFO] [stderr] Downloaded digest v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2a278de4d3f9a3487884c348d8072579040a461d35a7a51c2e5bd78489ce0a69 [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" "2a278de4d3f9a3487884c348d8072579040a461d35a7a51c2e5bd78489ce0a69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a278de4d3f9a3487884c348d8072579040a461d35a7a51c2e5bd78489ce0a69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a278de4d3f9a3487884c348d8072579040a461d35a7a51c2e5bd78489ce0a69", kill_on_drop: false }` [INFO] [stdout] 2a278de4d3f9a3487884c348d8072579040a461d35a7a51c2e5bd78489ce0a69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8839454f1b8e25b02f7a33424a5c08e43d8677803dd19e449f671d3078c54bc9 [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" "8839454f1b8e25b02f7a33424a5c08e43d8677803dd19e449f671d3078c54bc9", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.3 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling arrayref v0.3.4 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling data-encoding v2.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling digest v0.7.2 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling integer-compression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `init_U40_random_vec` should have a snake case name [INFO] [stdout] --> src/main.rs:171:4 [INFO] [stdout] | [INFO] [stdout] 171 | fn init_U40_random_vec(n : usize) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `init_u40_random_vec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.78s [INFO] running `Command { std: "docker" "inspect" "8839454f1b8e25b02f7a33424a5c08e43d8677803dd19e449f671d3078c54bc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8839454f1b8e25b02f7a33424a5c08e43d8677803dd19e449f671d3078c54bc9", kill_on_drop: false }` [INFO] [stdout] 8839454f1b8e25b02f7a33424a5c08e43d8677803dd19e449f671d3078c54bc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a4cfeec68d6c50850253cdad67216b41c96c1f7e4cad483da44a99f247594106 [INFO] running `Command { std: "docker" "start" "-a" "a4cfeec68d6c50850253cdad67216b41c96c1f7e4cad483da44a99f247594106", kill_on_drop: false }` [INFO] [stderr] Compiling integer-compression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> examples/utxo.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut buffer = String::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/utxo.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut buffer = String::new(); [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: function `init_U40_random_vec` should have a snake case name [INFO] [stdout] --> src/main.rs:171:4 [INFO] [stdout] | [INFO] [stdout] 171 | fn init_U40_random_vec(n : usize) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `init_u40_random_vec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_U40` should have a snake case name [INFO] [stdout] --> src/main.rs:189:8 [INFO] [stdout] | [INFO] [stdout] 189 | fn test_U40() { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_u40` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.87s [INFO] running `Command { std: "docker" "inspect" "a4cfeec68d6c50850253cdad67216b41c96c1f7e4cad483da44a99f247594106", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4cfeec68d6c50850253cdad67216b41c96c1f7e4cad483da44a99f247594106", kill_on_drop: false }` [INFO] [stdout] a4cfeec68d6c50850253cdad67216b41c96c1f7e4cad483da44a99f247594106 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 49eed834f2fdb7351a793075ae8caa6c0aadabfab1ac18a5a3a744dc5d09cbcb [INFO] running `Command { std: "docker" "start" "-a" "49eed834f2fdb7351a793075ae8caa6c0aadabfab1ac18a5a3a744dc5d09cbcb", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `buffer` [INFO] [stderr] --> examples/utxo.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut buffer = String::new(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/utxo.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut buffer = String::new(); [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: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `init_U40_random_vec` should have a snake case name [INFO] [stderr] --> src/main.rs:171:4 [INFO] [stderr] | [INFO] [stderr] 171 | fn init_U40_random_vec(n : usize) -> Vec{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `init_u40_random_vec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `test_U40` should have a snake case name [INFO] [stderr] --> src/main.rs:189:8 [INFO] [stderr] | [INFO] [stderr] 189 | fn test_U40() { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `test_u40` [INFO] [stderr] [INFO] [stderr] warning: `integer-compression` (example "utxo") generated 2 warnings [INFO] [stderr] warning: `integer-compression` (bin "integer-compression" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/integer_compression-2096628bd07e8a7e) [INFO] [stdout] running 1 test [INFO] [stdout] test test::test_U40 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "49eed834f2fdb7351a793075ae8caa6c0aadabfab1ac18a5a3a744dc5d09cbcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49eed834f2fdb7351a793075ae8caa6c0aadabfab1ac18a5a3a744dc5d09cbcb", kill_on_drop: false }` [INFO] [stdout] 49eed834f2fdb7351a793075ae8caa6c0aadabfab1ac18a5a3a744dc5d09cbcb