[INFO] cloning repository https://github.com/frado94/hello_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frado94/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrado94%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrado94%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1aed5b89009f7695ad157ef4e70915a86bbcc7c
[INFO] testing frado94/hello_rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrado94%2Fhello_rust" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frado94/hello_rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frado94/hello_rust
[INFO] finished tweaking git repo https://github.com/frado94/hello_rust
[INFO] tweaked toml for git repo https://github.com/frado94/hello_rust written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/frado94/hello_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b96c4f3bb7100bbc120235d294cf1b60b206bf645c80aaf81e186761c53134de
[INFO] running `Command { std: "docker" "start" "-a" "b96c4f3bb7100bbc120235d294cf1b60b206bf645c80aaf81e186761c53134de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b96c4f3bb7100bbc120235d294cf1b60b206bf645c80aaf81e186761c53134de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96c4f3bb7100bbc120235d294cf1b60b206bf645c80aaf81e186761c53134de", kill_on_drop: false }`
[INFO] [stdout] b96c4f3bb7100bbc120235d294cf1b60b206bf645c80aaf81e186761c53134de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c00fbd9fd5337514b82fed0e97e46c1f5ebe031b888d736f7c9f3cadee7f428e
[INFO] running `Command { std: "docker" "start" "-a" "c00fbd9fd5337514b82fed0e97e46c1f5ebe031b888d736f7c9f3cadee7f428e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let (x, y): (i32, i8) = (13, 21);
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let (x, y): (i32, i8) = (13, 21);
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "c00fbd9fd5337514b82fed0e97e46c1f5ebe031b888d736f7c9f3cadee7f428e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00fbd9fd5337514b82fed0e97e46c1f5ebe031b888d736f7c9f3cadee7f428e", kill_on_drop: false }`
[INFO] [stdout] c00fbd9fd5337514b82fed0e97e46c1f5ebe031b888d736f7c9f3cadee7f428e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ec3f347c6d233a1b1262038c6d235d819f8ba03b86a5744ece01b8775eb2ca
[INFO] running `Command { std: "docker" "start" "-a" "56ec3f347c6d233a1b1262038c6d235d819f8ba03b86a5744ece01b8775eb2ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/main.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let (x, y): (i32, i8) = (13, 21);
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let (x, y): (i32, i8) = (13, 21);
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "56ec3f347c6d233a1b1262038c6d235d819f8ba03b86a5744ece01b8775eb2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ec3f347c6d233a1b1262038c6d235d819f8ba03b86a5744ece01b8775eb2ca", kill_on_drop: false }`
[INFO] [stdout] 56ec3f347c6d233a1b1262038c6d235d819f8ba03b86a5744ece01b8775eb2ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64f5c7d991e4b16ccc739fc09f1949c9b939ba2e8fc51765c33b5d1feb41b80a
[INFO] running `Command { std: "docker" "start" "-a" "64f5c7d991e4b16ccc739fc09f1949c9b939ba2e8fc51765c33b5d1feb41b80a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/main.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let (x, y): (i32, i8) = (13, 21);
[INFO] [stderr]   |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let (x, y): (i32, i8) = (13, 21);
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_world` (bin "hello_world" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-9e3d8bb2bb780130)
[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] 
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "64f5c7d991e4b16ccc739fc09f1949c9b939ba2e8fc51765c33b5d1feb41b80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f5c7d991e4b16ccc739fc09f1949c9b939ba2e8fc51765c33b5d1feb41b80a", kill_on_drop: false }`
[INFO] [stdout] 64f5c7d991e4b16ccc739fc09f1949c9b939ba2e8fc51765c33b5d1feb41b80a