[INFO] cloning repository https://github.com/Kai-95/fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kai-95/fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKai-95%2Ffibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKai-95%2Ffibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74cdc74aeee4d47ca999879bbe4df4f03ab72343
[INFO] testing Kai-95/fibonacci against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKai-95%2Ffibonacci" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kai-95/fibonacci
[INFO] finished tweaking git repo https://github.com/Kai-95/fibonacci
[INFO] tweaked toml for git repo https://github.com/Kai-95/fibonacci written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kai-95/fibonacci on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kai-95/fibonacci 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] testing Kai-95/fibonacci against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKai-95%2Ffibonacci" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kai-95/fibonacci
[INFO] finished tweaking git repo https://github.com/Kai-95/fibonacci
[INFO] tweaked toml for git repo https://github.com/Kai-95/fibonacci written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kai-95/fibonacci on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kai-95/fibonacci 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9ec2583a596231cabfd113e205fb395150f73d7f3dc59b5af0c23462c26d485
[INFO] running `Command { std: "docker" "start" "-a" "b9ec2583a596231cabfd113e205fb395150f73d7f3dc59b5af0c23462c26d485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9ec2583a596231cabfd113e205fb395150f73d7f3dc59b5af0c23462c26d485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ec2583a596231cabfd113e205fb395150f73d7f3dc59b5af0c23462c26d485", kill_on_drop: false }`
[INFO] [stdout] b9ec2583a596231cabfd113e205fb395150f73d7f3dc59b5af0c23462c26d485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6618b7e376c4a8e2d63ac75c73511fe2661462b0136e76ccdcfe78ab25ed2072
[INFO] running `Command { std: "docker" "start" "-a" "6618b7e376c4a8e2d63ac75c73511fe2661462b0136e76ccdcfe78ab25ed2072", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for index in 2..50 {
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "6618b7e376c4a8e2d63ac75c73511fe2661462b0136e76ccdcfe78ab25ed2072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6618b7e376c4a8e2d63ac75c73511fe2661462b0136e76ccdcfe78ab25ed2072", kill_on_drop: false }`
[INFO] [stdout] 6618b7e376c4a8e2d63ac75c73511fe2661462b0136e76ccdcfe78ab25ed2072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 191a772ebbd057812ce89097cf4b37644be99040b73d9435763f154474f69ee4
[INFO] running `Command { std: "docker" "start" "-a" "191a772ebbd057812ce89097cf4b37644be99040b73d9435763f154474f69ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     for index in 2..50 {
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "191a772ebbd057812ce89097cf4b37644be99040b73d9435763f154474f69ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191a772ebbd057812ce89097cf4b37644be99040b73d9435763f154474f69ee4", kill_on_drop: false }`
[INFO] [stdout] 191a772ebbd057812ce89097cf4b37644be99040b73d9435763f154474f69ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08eecab188a1e8a7c63d26ba08b28a42feb244b6cfa049a7ac4ab53562b46f57
[INFO] running `Command { std: "docker" "start" "-a" "08eecab188a1e8a7c63d26ba08b28a42feb244b6cfa049a7ac4ab53562b46f57", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for index in 2..50 {
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fibonacci` (bin "fibonacci" test) generated 1 warning (run `cargo fix --bin "fibonacci" -p fibonacci --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fibonacci-afebe5153d9ee0df)
[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" "08eecab188a1e8a7c63d26ba08b28a42feb244b6cfa049a7ac4ab53562b46f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08eecab188a1e8a7c63d26ba08b28a42feb244b6cfa049a7ac4ab53562b46f57", kill_on_drop: false }`
[INFO] [stdout] 08eecab188a1e8a7c63d26ba08b28a42feb244b6cfa049a7ac4ab53562b46f57