[INFO] cloning repository https://github.com/fschutt/static_number_analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fschutt/static_number_analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fstatic_number_analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fstatic_number_analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f090234e1e0c2ebd16fe70d80d628565fd9041b9
[INFO] checking fschutt/static_number_analyzer against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fstatic_number_analyzer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fschutt/static_number_analyzer on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fschutt/static_number_analyzer
[INFO] finished tweaking git repo https://github.com/fschutt/static_number_analyzer
[INFO] tweaked toml for git repo https://github.com/fschutt/static_number_analyzer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fschutt/static_number_analyzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8914fd3694517f16263bb7cc6e6dc7f71c532cf239c60bfa500963fc03d9c72e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8914fd3694517f16263bb7cc6e6dc7f71c532cf239c60bfa500963fc03d9c72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8914fd3694517f16263bb7cc6e6dc7f71c532cf239c60bfa500963fc03d9c72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8914fd3694517f16263bb7cc6e6dc7f71c532cf239c60bfa500963fc03d9c72e", kill_on_drop: false }`
[INFO] [stdout] 8914fd3694517f16263bb7cc6e6dc7f71c532cf239c60bfa500963fc03d9c72e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cf34da75ee248c4f168cb24da49423babb06bd64b825881a4dbc6648676ff48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3cf34da75ee248c4f168cb24da49423babb06bd64b825881a4dbc6648676ff48", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v0.4.6
[INFO] [stderr]     Checking quote v0.6.3
[INFO] [stderr]     Checking syn v0.14.2
[INFO] [stderr]     Checking static_number_analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:284:35
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:284:46
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |                                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `let_stmts`
[INFO] [stdout]    --> src/main.rs:284:57
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_let_stmts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:284:35
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:284:46
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |                                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `let_stmts`
[INFO] [stdout]    --> src/main.rs:284:57
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |                                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_let_stmts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_if_dependency_same_source`
[INFO] [stdout]    --> src/main.rs:284:4
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_if_dependency_same_source`
[INFO] [stdout]    --> src/main.rs:284:4
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn test_if_dependency_same_source(a: String, b: String, let_stmts: &HashMap<LetStatement, LetInitialization>)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.83s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3cf34da75ee248c4f168cb24da49423babb06bd64b825881a4dbc6648676ff48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf34da75ee248c4f168cb24da49423babb06bd64b825881a4dbc6648676ff48", kill_on_drop: false }`
[INFO] [stdout] 3cf34da75ee248c4f168cb24da49423babb06bd64b825881a4dbc6648676ff48