[INFO] cloning repository https://github.com/tjf801/hrm-optimizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjf801/hrm-optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjf801%2Fhrm-optimizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjf801%2Fhrm-optimizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c3358983ee227222b755f0746b5e20ea125920b
[INFO] testing tjf801/hrm-optimizer/9c3358983ee227222b755f0746b5e20ea125920b against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjf801%2Fhrm-optimizer" "/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/tjf801/hrm-optimizer
[INFO] finished tweaking git repo https://github.com/tjf801/hrm-optimizer
[INFO] tweaked toml for git repo https://github.com/tjf801/hrm-optimizer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tjf801/hrm-optimizer on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tjf801/hrm-optimizer 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd07a371e56c22ffc7c248310c148aca7f722e17090604743e4a9bc326eb6d64
[INFO] running `Command { std: "docker" "start" "-a" "bd07a371e56c22ffc7c248310c148aca7f722e17090604743e4a9bc326eb6d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd07a371e56c22ffc7c248310c148aca7f722e17090604743e4a9bc326eb6d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd07a371e56c22ffc7c248310c148aca7f722e17090604743e4a9bc326eb6d64", kill_on_drop: false }`
[INFO] [stdout] bd07a371e56c22ffc7c248310c148aca7f722e17090604743e4a9bc326eb6d64
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 504bc146e3b7fb24bf1e713b129b6b7c46a07df24742fc62a423eae9ded8940e
[INFO] running `Command { std: "docker" "start" "-a" "504bc146e3b7fb24bf1e713b129b6b7c46a07df24742fc62a423eae9ded8940e", kill_on_drop: false }`
[INFO] [stderr]    Compiling hrm-optimizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `previous_flag`
[INFO] [stdout]    --> src/optimize/control_flow_graph.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let previous_flag = JumpFlag::Never;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_flag`
[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 0.95s
[INFO] running `Command { std: "docker" "inspect" "504bc146e3b7fb24bf1e713b129b6b7c46a07df24742fc62a423eae9ded8940e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504bc146e3b7fb24bf1e713b129b6b7c46a07df24742fc62a423eae9ded8940e", kill_on_drop: false }`
[INFO] [stdout] 504bc146e3b7fb24bf1e713b129b6b7c46a07df24742fc62a423eae9ded8940e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aec77d5722c37ce50b02f29d74b0c8589150a07ace6590e54c59f31b1247eca
[INFO] running `Command { std: "docker" "start" "-a" "3aec77d5722c37ce50b02f29d74b0c8589150a07ace6590e54c59f31b1247eca", kill_on_drop: false }`
[INFO] [stderr]    Compiling hrm-optimizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `previous_flag`
[INFO] [stdout]    --> src/optimize/control_flow_graph.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let previous_flag = JumpFlag::Never;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_flag`
[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 0.63s
[INFO] running `Command { std: "docker" "inspect" "3aec77d5722c37ce50b02f29d74b0c8589150a07ace6590e54c59f31b1247eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aec77d5722c37ce50b02f29d74b0c8589150a07ace6590e54c59f31b1247eca", kill_on_drop: false }`
[INFO] [stdout] 3aec77d5722c37ce50b02f29d74b0c8589150a07ace6590e54c59f31b1247eca
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dd62f9cc84397fc832a29313a51a21879d3daf9590650e969b98dc9fadea63d
[INFO] running `Command { std: "docker" "start" "-a" "0dd62f9cc84397fc832a29313a51a21879d3daf9590650e969b98dc9fadea63d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `previous_flag`
[INFO] [stdout] 
[INFO] [stderr]    --> src/optimize/control_flow_graph.rs:200:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 200 |             let previous_flag = JumpFlag::Never;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_flag`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hrm-optimizer` (bin "hrm-optimizer" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hrm_optimizer-85b0c6d0fb78d03d)
[INFO] running `Command { std: "docker" "inspect" "0dd62f9cc84397fc832a29313a51a21879d3daf9590650e969b98dc9fadea63d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd62f9cc84397fc832a29313a51a21879d3daf9590650e969b98dc9fadea63d", kill_on_drop: false }`
[INFO] [stdout] 0dd62f9cc84397fc832a29313a51a21879d3daf9590650e969b98dc9fadea63d