[INFO] cloning repository https://github.com/lambdabear/increasing_speed_limits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambdabear/increasing_speed_limits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fincreasing_speed_limits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fincreasing_speed_limits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99149c5336fe91b4c321acafbe9b4bb7230f26f6
[INFO] checking lambdabear/increasing_speed_limits against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdabear%2Fincreasing_speed_limits" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambdabear/increasing_speed_limits on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lambdabear/increasing_speed_limits
[INFO] finished tweaking git repo https://github.com/lambdabear/increasing_speed_limits
[INFO] tweaked toml for git repo https://github.com/lambdabear/increasing_speed_limits written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lambdabear/increasing_speed_limits already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] d9318515179a50c2ec18feb3b3ee11acf77f22548954d33f5b5fe1889bb4e35d
[INFO] running `Command { std: "docker" "start" "-a" "d9318515179a50c2ec18feb3b3ee11acf77f22548954d33f5b5fe1889bb4e35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9318515179a50c2ec18feb3b3ee11acf77f22548954d33f5b5fe1889bb4e35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9318515179a50c2ec18feb3b3ee11acf77f22548954d33f5b5fe1889bb4e35d", kill_on_drop: false }`
[INFO] [stdout] d9318515179a50c2ec18feb3b3ee11acf77f22548954d33f5b5fe1889bb4e35d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55f1a3c27e0c285c22dbcfa336cb7f9f6343e103276282163c0f1d04c93ddaa1
[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" "55f1a3c27e0c285c22dbcfa336cb7f9f6343e103276282163c0f1d04c93ddaa1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking increasing-speed-limits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/compute.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/compute.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for j in 0..m {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let N = v[0].parse::<u32>().expect("parse error");
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for j in 0..m {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MOD` should have a snake case name
[INFO] [stdout]   --> src/compute.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let MOD = 1_000_000_007;
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_BIT` should have a snake case name
[INFO] [stdout]   --> src/compute.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn test_BIT() {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `test_bit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let N = v[0].parse::<u32>().expect("parse error");
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MOD` should have a snake case name
[INFO] [stdout]   --> src/compute.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let MOD = 1_000_000_007;
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "55f1a3c27e0c285c22dbcfa336cb7f9f6343e103276282163c0f1d04c93ddaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f1a3c27e0c285c22dbcfa336cb7f9f6343e103276282163c0f1d04c93ddaa1", kill_on_drop: false }`
[INFO] [stdout] 55f1a3c27e0c285c22dbcfa336cb7f9f6343e103276282163c0f1d04c93ddaa1