[INFO] cloning repository https://github.com/osuiowq/vector-intersection-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osuiowq/vector-intersection-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosuiowq%2Fvector-intersection-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosuiowq%2Fvector-intersection-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6908033ddc7c287b68c35ef3ca6c12fb7b8b51c4
[INFO] building osuiowq/vector-intersection-experiments against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosuiowq%2Fvector-intersection-experiments" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/osuiowq/vector-intersection-experiments
[INFO] finished tweaking git repo https://github.com/osuiowq/vector-intersection-experiments
[INFO] tweaked toml for git repo https://github.com/osuiowq/vector-intersection-experiments written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/osuiowq/vector-intersection-experiments on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/osuiowq/vector-intersection-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_tool v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2502eedaffbf15b228166c7838e047bbdff95b5621cb2afd66e1858dff018f6f
[INFO] running `Command { std: "docker" "start" "-a" "2502eedaffbf15b228166c7838e047bbdff95b5621cb2afd66e1858dff018f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2502eedaffbf15b228166c7838e047bbdff95b5621cb2afd66e1858dff018f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2502eedaffbf15b228166c7838e047bbdff95b5621cb2afd66e1858dff018f6f", kill_on_drop: false }`
[INFO] [stdout] 2502eedaffbf15b228166c7838e047bbdff95b5621cb2afd66e1858dff018f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a2ce99012e08ed289cffe8bc7700914ed56f97fa3be388498c0482afc648fb
[INFO] running `Command { std: "docker" "start" "-a" "d5a2ce99012e08ed289cffe8bc7700914ed56f97fa3be388498c0482afc648fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling vector-intersection-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..num_iterations {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for _i in 0..num_iterations {
[INFO] [stdout]    |         +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `num_iterations`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     for i in 0..num_iterations {
[INFO] [stdout] 16 +     for num_iterations in 0..num_iterations {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn intersect2(mut l1: Vec<i32>, mut l2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |               ----^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:33
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn intersect2(mut l1: Vec<i32>, mut l2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |                                 ----^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sentinel` should have an upper case name
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const sentinel : i32 = <i32>::max_value();
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 7 - const sentinel : i32 = <i32>::max_value();
[INFO] [stdout] 7 + const SENTINEL : i32 = <i32>::max_value();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `num_iterations` should have an upper case name
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const num_iterations :u32 = 20;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 8 - const num_iterations :u32 = 20;
[INFO] [stdout] 8 + const NUM_ITERATIONS :u32 = 20;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "d5a2ce99012e08ed289cffe8bc7700914ed56f97fa3be388498c0482afc648fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a2ce99012e08ed289cffe8bc7700914ed56f97fa3be388498c0482afc648fb", kill_on_drop: false }`
[INFO] [stdout] d5a2ce99012e08ed289cffe8bc7700914ed56f97fa3be388498c0482afc648fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb72dbf24b7659217cc8c96f7f6cd30af4996366aad08eb0384d2ea5816b466a
[INFO] running `Command { std: "docker" "start" "-a" "fb72dbf24b7659217cc8c96f7f6cd30af4996366aad08eb0384d2ea5816b466a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vector-intersection-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..num_iterations {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for _i in 0..num_iterations {
[INFO] [stdout]    |         +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `num_iterations`
[INFO] [stdout]    |
[INFO] [stdout] 16 -     for i in 0..num_iterations {
[INFO] [stdout] 16 +     for num_iterations in 0..num_iterations {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn intersect2(mut l1: Vec<i32>, mut l2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |               ----^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:33
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn intersect2(mut l1: Vec<i32>, mut l2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |                                 ----^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `sentinel` should have an upper case name
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const sentinel : i32 = <i32>::max_value();
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 7 - const sentinel : i32 = <i32>::max_value();
[INFO] [stdout] 7 + const SENTINEL : i32 = <i32>::max_value();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `num_iterations` should have an upper case name
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const num_iterations :u32 = 20;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 8 - const num_iterations :u32 = 20;
[INFO] [stdout] 8 + const NUM_ITERATIONS :u32 = 20;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "fb72dbf24b7659217cc8c96f7f6cd30af4996366aad08eb0384d2ea5816b466a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb72dbf24b7659217cc8c96f7f6cd30af4996366aad08eb0384d2ea5816b466a", kill_on_drop: false }`
[INFO] [stdout] fb72dbf24b7659217cc8c96f7f6cd30af4996366aad08eb0384d2ea5816b466a