[INFO] fetching crate leetcode-SAO 0.0.1...
[INFO] testing leetcode-SAO-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate leetcode-SAO 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate leetcode-SAO 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leetcode-SAO 0.0.1
[INFO] finished tweaking crates.io crate leetcode-SAO 0.0.1
[INFO] tweaked toml for crates.io crate leetcode-SAO 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46b356d068c0f4501a5318a5e98fbe9803c01675d97d970f6e74265c1b2fba09
[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" "46b356d068c0f4501a5318a5e98fbe9803c01675d97d970f6e74265c1b2fba09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b356d068c0f4501a5318a5e98fbe9803c01675d97d970f6e74265c1b2fba09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b356d068c0f4501a5318a5e98fbe9803c01675d97d970f6e74265c1b2fba09", kill_on_drop: false }`
[INFO] [stdout] 46b356d068c0f4501a5318a5e98fbe9803c01675d97d970f6e74265c1b2fba09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0633ddf9fcafb6de884fb6b8ae039a82fa639a9618219c2ce809100d7a0c5df
[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" "c0633ddf9fcafb6de884fb6b8ae039a82fa639a9618219c2ce809100d7a0c5df", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode-SAO v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `leetcode_SAO` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `leetcode_sao`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_i` should have a snake case name
[INFO] [stdout]   --> src/contests/contest130.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .fold(0i32, |N_i, &a_i| {
[INFO] [stdout]    |                      ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_i` should have a snake case name
[INFO] [stdout]   --> src/contests/contest130.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let N_i = (N_i * 2 + a_i) % 5;
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "c0633ddf9fcafb6de884fb6b8ae039a82fa639a9618219c2ce809100d7a0c5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0633ddf9fcafb6de884fb6b8ae039a82fa639a9618219c2ce809100d7a0c5df", kill_on_drop: false }`
[INFO] [stdout] c0633ddf9fcafb6de884fb6b8ae039a82fa639a9618219c2ce809100d7a0c5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fbf57b2b80b82b61db33e330a1bd3995b40891ff517e12dd9cd7802df3f2628
[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" "7fbf57b2b80b82b61db33e330a1bd3995b40891ff517e12dd9cd7802df3f2628", kill_on_drop: false }`
[INFO] [stdout] warning: crate `leetcode_SAO` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `leetcode_sao`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode-SAO v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `N_i` should have a snake case name
[INFO] [stdout]   --> src/contests/contest130.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .fold(0i32, |N_i, &a_i| {
[INFO] [stdout]    |                      ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_i` should have a snake case name
[INFO] [stdout]   --> src/contests/contest130.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let N_i = (N_i * 2 + a_i) % 5;
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `leetcode_SAO` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `leetcode_sao`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_i` should have a snake case name
[INFO] [stdout]   --> src/contests/contest130.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .fold(0i32, |N_i, &a_i| {
[INFO] [stdout]    |                      ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N_i` should have a snake case name
[INFO] [stdout]   --> src/contests/contest130.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let N_i = (N_i * 2 + a_i) % 5;
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "7fbf57b2b80b82b61db33e330a1bd3995b40891ff517e12dd9cd7802df3f2628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbf57b2b80b82b61db33e330a1bd3995b40891ff517e12dd9cd7802df3f2628", kill_on_drop: false }`
[INFO] [stdout] 7fbf57b2b80b82b61db33e330a1bd3995b40891ff517e12dd9cd7802df3f2628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 131a34abb9dbac981ae1fcee4ddddc07bac2c8bc0df963d0366304ef0bddf719
[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" "131a34abb9dbac981ae1fcee4ddddc07bac2c8bc0df963d0366304ef0bddf719", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `leetcode_SAO` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   = help: convert the identifier to snake case: `leetcode_sao`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_i` should have a snake case name
[INFO] [stderr]   --> src/contests/contest130.rs:51:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |         .fold(0i32, |N_i, &a_i| {
[INFO] [stderr]    |                      ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_i` should have a snake case name
[INFO] [stderr]   --> src/contests/contest130.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let N_i = (N_i * 2 + a_i) % 5;
[INFO] [stderr]    |                 ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: crate `leetcode_SAO` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `leetcode_sao`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_i` should have a snake case name
[INFO] [stderr]   --> src/contests/contest130.rs:51:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |         .fold(0i32, |N_i, &a_i| {
[INFO] [stderr]    |                      ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_i` should have a snake case name
[INFO] [stderr]   --> src/contests/contest130.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let N_i = (N_i * 2 + a_i) % 5;
[INFO] [stderr]    |                 ^^^ help: convert the identifier to snake case: `n_i`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode_SAO-9e1e2e11ad574335
[INFO] [stderr]    Doc-tests leetcode-SAO
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/contests/contest130.rs - contests::contest130::prefixes_div_by5 (line 37) ... ok
[INFO] [stdout] test src/contests/contest130.rs - contests::contest130::prefixes_div_by5 (line 21) ... ok
[INFO] [stdout] test src/contests/contest130.rs - contests::contest130::prefixes_div_by5 (line 13) ... ok
[INFO] [stdout] test src/contests/contest130.rs - contests::contest130::prefixes_div_by5 (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "131a34abb9dbac981ae1fcee4ddddc07bac2c8bc0df963d0366304ef0bddf719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131a34abb9dbac981ae1fcee4ddddc07bac2c8bc0df963d0366304ef0bddf719", kill_on_drop: false }`
[INFO] [stdout] 131a34abb9dbac981ae1fcee4ddddc07bac2c8bc0df963d0366304ef0bddf719