[INFO] cloning repository https://github.com/matklad/llcg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/llcg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fllcg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fllcg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ebfd1e1a9861cb7f4e4635cd802611a69aa3e00
[INFO] testing matklad/llcg against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fllcg" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/llcg on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/llcg
[INFO] finished tweaking git repo https://github.com/matklad/llcg
[INFO] tweaked toml for git repo https://github.com/matklad/llcg written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/llcg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a777d2c6f635a9d696107823c21caef13ed4f96d32d5d276c157fd3137e1eeb3
[INFO] running `Command { std: "docker" "start" "-a" "a777d2c6f635a9d696107823c21caef13ed4f96d32d5d276c157fd3137e1eeb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a777d2c6f635a9d696107823c21caef13ed4f96d32d5d276c157fd3137e1eeb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a777d2c6f635a9d696107823c21caef13ed4f96d32d5d276c157fd3137e1eeb3", kill_on_drop: false }`
[INFO] [stdout] a777d2c6f635a9d696107823c21caef13ed4f96d32d5d276c157fd3137e1eeb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8d00e218e2e04501ee2dd220ecc2cf31d93973498e7737cabfe16d3450707d
[INFO] running `Command { std: "docker" "start" "-a" "1f8d00e218e2e04501ee2dd220ecc2cf31d93973498e7737cabfe16d3450707d", kill_on_drop: false }`
[INFO] [stderr]    Compiling llcg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `curr`
[INFO] [stdout]   --> src/main.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut curr = finish;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_curr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]   --> src/main.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |     for (callee, caller) in callers {
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut curr = finish;
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "1f8d00e218e2e04501ee2dd220ecc2cf31d93973498e7737cabfe16d3450707d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8d00e218e2e04501ee2dd220ecc2cf31d93973498e7737cabfe16d3450707d", kill_on_drop: false }`
[INFO] [stdout] 1f8d00e218e2e04501ee2dd220ecc2cf31d93973498e7737cabfe16d3450707d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c05f8276c586e8d72bf9f6ee7e65828d37b1e3d50ddc2ff06b0f7ee20853d438
[INFO] running `Command { std: "docker" "start" "-a" "c05f8276c586e8d72bf9f6ee7e65828d37b1e3d50ddc2ff06b0f7ee20853d438", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling llcg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `curr`
[INFO] [stdout]   --> src/main.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut curr = finish;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_curr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee`
[INFO] [stdout]   --> src/main.rs:86:10
[INFO] [stdout]    |
[INFO] [stdout] 86 |     for (callee, caller) in callers {
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut curr = finish;
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/llcg-34c9f513f98e53e1)
[INFO] running `Command { std: "docker" "inspect" "c05f8276c586e8d72bf9f6ee7e65828d37b1e3d50ddc2ff06b0f7ee20853d438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05f8276c586e8d72bf9f6ee7e65828d37b1e3d50ddc2ff06b0f7ee20853d438", kill_on_drop: false }`
[INFO] [stdout] c05f8276c586e8d72bf9f6ee7e65828d37b1e3d50ddc2ff06b0f7ee20853d438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb5b766c0a754256e93800a59e0873a63adcb6a77606198388ecc812fcf92591
[INFO] running `Command { std: "docker" "start" "-a" "cb5b766c0a754256e93800a59e0873a63adcb6a77606198388ecc812fcf92591", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `curr`
[INFO] [stderr]   --> src/main.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut curr = finish;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_curr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `callee`
[INFO] [stderr]   --> src/main.rs:86:10
[INFO] [stderr]    |
[INFO] [stderr] 86 |     for (callee, caller) in callers {
[INFO] [stderr]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut curr = finish;
[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: `llcg` (bin "llcg" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/llcg-34c9f513f98e53e1)
[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" "cb5b766c0a754256e93800a59e0873a63adcb6a77606198388ecc812fcf92591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5b766c0a754256e93800a59e0873a63adcb6a77606198388ecc812fcf92591", kill_on_drop: false }`
[INFO] [stdout] cb5b766c0a754256e93800a59e0873a63adcb6a77606198388ecc812fcf92591