[INFO] cloning repository https://github.com/isildonmez/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/isildonmez/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisildonmez%2Fhello_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisildonmez%2Fhello_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 242f4bbf00b74ac5690a562281c4f405c4492ad5
[INFO] testing isildonmez/hello_rust against master#c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af for pr-154756
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisildonmez%2Fhello_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/isildonmez/hello_rust
[INFO] finished tweaking git repo https://github.com/isildonmez/hello_rust
[INFO] tweaked toml for git repo https://github.com/isildonmez/hello_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isildonmez/hello_rust on toolchain c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isildonmez/hello_rust 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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d78378948e3fb4240a0da24c4d049d3b0003e78f03b2c6b36c016237ae5fbec
[INFO] running `Command { std: "docker" "start" "-a" "6d78378948e3fb4240a0da24c4d049d3b0003e78f03b2c6b36c016237ae5fbec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d78378948e3fb4240a0da24c4d049d3b0003e78f03b2c6b36c016237ae5fbec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d78378948e3fb4240a0da24c4d049d3b0003e78f03b2c6b36c016237ae5fbec", kill_on_drop: false }`
[INFO] [stdout] 6d78378948e3fb4240a0da24c4d049d3b0003e78f03b2c6b36c016237ae5fbec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db722b66fc34a55956c13c6df9aab59ca572fae4ba17b0693c1365c8a18a5fe
[INFO] running `Command { std: "docker" "start" "-a" "7db722b66fc34a55956c13c6df9aab59ca572fae4ba17b0693c1365c8a18a5fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/lib.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |         mpsc::{self, Receiver},
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "7db722b66fc34a55956c13c6df9aab59ca572fae4ba17b0693c1365c8a18a5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db722b66fc34a55956c13c6df9aab59ca572fae4ba17b0693c1365c8a18a5fe", kill_on_drop: false }`
[INFO] [stdout] 7db722b66fc34a55956c13c6df9aab59ca572fae4ba17b0693c1365c8a18a5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee5274c29017f69e425adea8636379f6d2ad5f1bf53cbb4c0464b8201309adc
[INFO] running `Command { std: "docker" "start" "-a" "aee5274c29017f69e425adea8636379f6d2ad5f1bf53cbb4c0464b8201309adc", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/lib.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |         mpsc::{self, Receiver},
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/lib.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |         mpsc::{self, Receiver},
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "aee5274c29017f69e425adea8636379f6d2ad5f1bf53cbb4c0464b8201309adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee5274c29017f69e425adea8636379f6d2ad5f1bf53cbb4c0464b8201309adc", kill_on_drop: false }`
[INFO] [stdout] aee5274c29017f69e425adea8636379f6d2ad5f1bf53cbb4c0464b8201309adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e3d3005ec5d598016b282ea5c3e17c54bffd0c5e8857664d6fc7e973315ff11
[INFO] running `Command { std: "docker" "start" "-a" "0e3d3005ec5d598016b282ea5c3e17c54bffd0c5e8857664d6fc7e973315ff11", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Receiver`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:3:22
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 |         mpsc::{self, Receiver},
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (lib) generated 1 warning (run `cargo fix --lib -p hello` to apply 1 suggestion)
[INFO] [stderr] warning: `hello` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello-798693658e703a66)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-8694ea2ea98d95bf)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello
[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] [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" "0e3d3005ec5d598016b282ea5c3e17c54bffd0c5e8857664d6fc7e973315ff11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3d3005ec5d598016b282ea5c3e17c54bffd0c5e8857664d6fc7e973315ff11", kill_on_drop: false }`
[INFO] [stdout] 0e3d3005ec5d598016b282ea5c3e17c54bffd0c5e8857664d6fc7e973315ff11