[INFO] cloning repository https://github.com/BearzRobotics/cache_cleaner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BearzRobotics/cache_cleaner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Fcache_cleaner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Fcache_cleaner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a07e14a9bc051536c354ace5005c830959cf7bff
[INFO] testing BearzRobotics/cache_cleaner against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Fcache_cleaner" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BearzRobotics/cache_cleaner 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 git repo https://github.com/BearzRobotics/cache_cleaner
[INFO] finished tweaking git repo https://github.com/BearzRobotics/cache_cleaner
[INFO] tweaked toml for git repo https://github.com/BearzRobotics/cache_cleaner written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/BearzRobotics/cache_cleaner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "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] 6ae99c76eee6a29c2f9aa9e49c0d62e7927a09b78f9e778a8a85cd776801952c
[INFO] running `Command { std: "docker" "start" "-a" "6ae99c76eee6a29c2f9aa9e49c0d62e7927a09b78f9e778a8a85cd776801952c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae99c76eee6a29c2f9aa9e49c0d62e7927a09b78f9e778a8a85cd776801952c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae99c76eee6a29c2f9aa9e49c0d62e7927a09b78f9e778a8a85cd776801952c", kill_on_drop: false }`
[INFO] [stdout] 6ae99c76eee6a29c2f9aa9e49c0d62e7927a09b78f9e778a8a85cd776801952c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ca730fcf9f153d3de2a3242eb7ffe557f21eb71645abcf632967c590fdc4e8
[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" "23ca730fcf9f153d3de2a3242eb7ffe557f21eb71645abcf632967c590fdc4e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling wild v0.1.1
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling crossterm v0.2.0
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling simplelog v0.4.4
[INFO] [stderr]    Compiling cache_cleaner v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wild`
[INFO] [stdout]   --> src/utils.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use wild;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/users.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/utils.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn find(mode: u8, path: String) -> String{
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_vec`
[INFO] [stdout]   --> src/crawl.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let element_vec = crawler_parser::crawler_interater(crawler_files, mode, delete_file);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/crawler_parser.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut tmp = get_data(elements[i].to_string());
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crawler_parser.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut tmp = get_data(elements[i].to_string());
[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 is never used: `find`
[INFO] [stdout]   --> src/utils.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn find(mode: u8, path: String) -> String{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "23ca730fcf9f153d3de2a3242eb7ffe557f21eb71645abcf632967c590fdc4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ca730fcf9f153d3de2a3242eb7ffe557f21eb71645abcf632967c590fdc4e8", kill_on_drop: false }`
[INFO] [stdout] 23ca730fcf9f153d3de2a3242eb7ffe557f21eb71645abcf632967c590fdc4e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a0d4a5d612151e90aceae8bde43e2a83de6a9e7827693d6ad6fc4bfc75bc3e24
[INFO] running `Command { std: "docker" "start" "-a" "a0d4a5d612151e90aceae8bde43e2a83de6a9e7827693d6ad6fc4bfc75bc3e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache_cleaner v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wild`
[INFO] [stdout]   --> src/utils.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use wild;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/users.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/utils.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn find(mode: u8, path: String) -> String{
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_vec`
[INFO] [stdout]   --> src/crawl.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let element_vec = crawler_parser::crawler_interater(crawler_files, mode, delete_file);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/crawler_parser.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut tmp = get_data(elements[i].to_string());
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crawler_parser.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut tmp = get_data(elements[i].to_string());
[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 is never used: `find`
[INFO] [stdout]   --> src/utils.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn find(mode: u8, path: String) -> String{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "a0d4a5d612151e90aceae8bde43e2a83de6a9e7827693d6ad6fc4bfc75bc3e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d4a5d612151e90aceae8bde43e2a83de6a9e7827693d6ad6fc4bfc75bc3e24", kill_on_drop: false }`
[INFO] [stdout] a0d4a5d612151e90aceae8bde43e2a83de6a9e7827693d6ad6fc4bfc75bc3e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] dd6304d7fc310ea1b136d1188eb99979a9a211dcaee1b1e8c4693375d51f17a4
[INFO] running `Command { std: "docker" "start" "-a" "dd6304d7fc310ea1b136d1188eb99979a9a211dcaee1b1e8c4693375d51f17a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `wild`
[INFO] [stderr]   --> src/utils.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use wild;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/users.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]   --> src/utils.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn find(mode: u8, path: String) -> String{
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `element_vec`
[INFO] [stderr]   --> src/crawl.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let element_vec = crawler_parser::crawler_interater(crawler_files, mode, delete_file);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp`
[INFO] [stderr]   --> src/crawler_parser.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let mut tmp = get_data(elements[i].to_string());
[INFO] [stderr]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/crawler_parser.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let mut tmp = get_data(elements[i].to_string());
[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: function is never used: `find`
[INFO] [stderr]   --> src/utils.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn find(mode: u8, path: String) -> String{
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cache_cleaner-eeb81dbe904084cc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd6304d7fc310ea1b136d1188eb99979a9a211dcaee1b1e8c4693375d51f17a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6304d7fc310ea1b136d1188eb99979a9a211dcaee1b1e8c4693375d51f17a4", kill_on_drop: false }`
[INFO] [stdout] dd6304d7fc310ea1b136d1188eb99979a9a211dcaee1b1e8c4693375d51f17a4