[INFO] cloning repository https://github.com/zutabukuroTEST/LearnRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zutabukuroTEST/LearnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzutabukuroTEST%2FLearnRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzutabukuroTEST%2FLearnRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37ca528a9d7acc3e6427690a83ccec22463b07fe
[INFO] testing zutabukuroTEST/LearnRust against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FzutabukuroTEST%2FLearnRust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zutabukuroTEST/LearnRust
[INFO] finished tweaking git repo https://github.com/zutabukuroTEST/LearnRust
[INFO] tweaked toml for git repo https://github.com/zutabukuroTEST/LearnRust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zutabukuroTEST/LearnRust on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zutabukuroTEST/LearnRust 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dc6fbb253f8add35b2538747579136d4300091b1b15c5b2da9a57169a1326a7
[INFO] running `Command { std: "docker" "start" "-a" "5dc6fbb253f8add35b2538747579136d4300091b1b15c5b2da9a57169a1326a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc6fbb253f8add35b2538747579136d4300091b1b15c5b2da9a57169a1326a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc6fbb253f8add35b2538747579136d4300091b1b15c5b2da9a57169a1326a7", kill_on_drop: false }`
[INFO] [stdout] 5dc6fbb253f8add35b2538747579136d4300091b1b15c5b2da9a57169a1326a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce6a6f052b095061c0cd32aa18bbfa6ee9dbadff963ef2fc9778f70c471f167c
[INFO] running `Command { std: "docker" "start" "-a" "ce6a6f052b095061c0cd32aa18bbfa6ee9dbadff963ef2fc9778f70c471f167c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn first_word(s: &String) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minus_one_calc` is never used
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn minus_one_calc(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arithmetic_progression_calc` is never used
[INFO] [stdout]   --> src/main.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn arithmetic_progression_calc(num: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaus_calc` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn gaus_calc(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `Command { std: "docker" "inspect" "ce6a6f052b095061c0cd32aa18bbfa6ee9dbadff963ef2fc9778f70c471f167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6a6f052b095061c0cd32aa18bbfa6ee9dbadff963ef2fc9778f70c471f167c", kill_on_drop: false }`
[INFO] [stdout] ce6a6f052b095061c0cd32aa18bbfa6ee9dbadff963ef2fc9778f70c471f167c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69aa60722920dd3881e8b7f909b875790a7424d7778ef6189da89c57bc172385
[INFO] running `Command { std: "docker" "start" "-a" "69aa60722920dd3881e8b7f909b875790a7424d7778ef6189da89c57bc172385", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn first_word(s: &String) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minus_one_calc` is never used
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn minus_one_calc(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arithmetic_progression_calc` is never used
[INFO] [stdout]   --> src/main.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn arithmetic_progression_calc(num: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaus_calc` is never used
[INFO] [stdout]   --> src/main.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn gaus_calc(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "69aa60722920dd3881e8b7f909b875790a7424d7778ef6189da89c57bc172385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69aa60722920dd3881e8b7f909b875790a7424d7778ef6189da89c57bc172385", kill_on_drop: false }`
[INFO] [stdout] 69aa60722920dd3881e8b7f909b875790a7424d7778ef6189da89c57bc172385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41f662af47fa6b5d370653e498cef7a57a612c6c894553aefe86d76b34e19c4b
[INFO] running `Command { std: "docker" "start" "-a" "41f662af47fa6b5d370653e498cef7a57a612c6c894553aefe86d76b34e19c4b", kill_on_drop: false }`
[INFO] [stderr] warning: function `first_word` is never used
[INFO] [stderr]   --> src/main.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn first_word(s: &String) -> &str {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `minus_one_calc` is never used
[INFO] [stderr]   --> src/main.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn minus_one_calc(num: u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `arithmetic_progression_calc` is never used
[INFO] [stderr]   --> src/main.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn arithmetic_progression_calc(num: u64) -> u64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gaus_calc` is never used
[INFO] [stderr]   --> src/main.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn gaus_calc(num: u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `variables` (bin "variables" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-045251c03cf77fe9)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41f662af47fa6b5d370653e498cef7a57a612c6c894553aefe86d76b34e19c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f662af47fa6b5d370653e498cef7a57a612c6c894553aefe86d76b34e19c4b", kill_on_drop: false }`
[INFO] [stdout] 41f662af47fa6b5d370653e498cef7a57a612c6c894553aefe86d76b34e19c4b