[INFO] cloning repository https://github.com/TheRandonauts/libmeterfeeder-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheRandonauts/libmeterfeeder-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRandonauts%2Flibmeterfeeder-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRandonauts%2Flibmeterfeeder-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61df710929383af31a94990237a519c78889589c
[INFO] testing TheRandonauts/libmeterfeeder-rs against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRandonauts%2Flibmeterfeeder-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheRandonauts/libmeterfeeder-rs on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheRandonauts/libmeterfeeder-rs
[INFO] finished tweaking git repo https://github.com/TheRandonauts/libmeterfeeder-rs
[INFO] tweaked toml for git repo https://github.com/TheRandonauts/libmeterfeeder-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheRandonauts/libmeterfeeder-rs 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" "+1.83.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4144e4298696fb3d14f0c12e5569c77d59e8dab070b292779ff61cc0fe265a
[INFO] running `Command { std: "docker" "start" "-a" "6c4144e4298696fb3d14f0c12e5569c77d59e8dab070b292779ff61cc0fe265a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4144e4298696fb3d14f0c12e5569c77d59e8dab070b292779ff61cc0fe265a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4144e4298696fb3d14f0c12e5569c77d59e8dab070b292779ff61cc0fe265a", kill_on_drop: false }`
[INFO] [stdout] 6c4144e4298696fb3d14f0c12e5569c77d59e8dab070b292779ff61cc0fe265a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4dcf99df36a9161c142409a22b18b9d5a26fa6c08429c1882cbe94cdd4d3fb5
[INFO] running `Command { std: "docker" "start" "-a" "a4dcf99df36a9161c142409a22b18b9d5a26fa6c08429c1882cbe94cdd4d3fb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling libmeterfeeder-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "a4dcf99df36a9161c142409a22b18b9d5a26fa6c08429c1882cbe94cdd4d3fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4dcf99df36a9161c142409a22b18b9d5a26fa6c08429c1882cbe94cdd4d3fb5", kill_on_drop: false }`
[INFO] [stdout] a4dcf99df36a9161c142409a22b18b9d5a26fa6c08429c1882cbe94cdd4d3fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3809f9903b477eecc5dc728226ac5da0971af0b1c78ad0efe0f1858a1c93a12a
[INFO] running `Command { std: "docker" "start" "-a" "3809f9903b477eecc5dc728226ac5da0971af0b1c78ad0efe0f1858a1c93a12a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmeterfeeder-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut instance= MeterFeederInstance::new().expect("Failed to create instance");
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/tests.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut instance= MeterFeederInstance::new().expect("Failed to create instance");
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "3809f9903b477eecc5dc728226ac5da0971af0b1c78ad0efe0f1858a1c93a12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3809f9903b477eecc5dc728226ac5da0971af0b1c78ad0efe0f1858a1c93a12a", kill_on_drop: false }`
[INFO] [stdout] 3809f9903b477eecc5dc728226ac5da0971af0b1c78ad0efe0f1858a1c93a12a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9720a340f642b9e3b97c578d1246b0753e1fe110c840a8b35b00c104b27722cf
[INFO] running `Command { std: "docker" "start" "-a" "9720a340f642b9e3b97c578d1246b0753e1fe110c840a8b35b00c104b27722cf", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tests.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut instance= MeterFeederInstance::new().expect("Failed to create instance");
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/tests.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut instance= MeterFeederInstance::new().expect("Failed to create instance");
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `libmeterfeeder-rs` (lib test) generated 2 warnings (run `cargo fix --lib -p libmeterfeeder-rs --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmeterfeeder_rs-9858307e8a3a36ce)
[INFO] [stderr] /opt/rustwide/target/debug/deps/libmeterfeeder_rs-9858307e8a3a36ce: error while loading shared libraries: libmeterfeeder.so: cannot open shared object file: No such file or directory
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/libmeterfeeder_rs-9858307e8a3a36ce` (exit status: 127)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "9720a340f642b9e3b97c578d1246b0753e1fe110c840a8b35b00c104b27722cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9720a340f642b9e3b97c578d1246b0753e1fe110c840a8b35b00c104b27722cf", kill_on_drop: false }`
[INFO] [stdout] 9720a340f642b9e3b97c578d1246b0753e1fe110c840a8b35b00c104b27722cf
