[INFO] cloning repository https://github.com/GabrielBueno/calcrr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielBueno/calcrr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 411e3daf96559bba698c26e1b53be217c6c1324f
[INFO] checking GabrielBueno/calcrr against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielBueno%2Fcalcrr" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GabrielBueno/calcrr on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GabrielBueno/calcrr
[INFO] finished tweaking git repo https://github.com/GabrielBueno/calcrr
[INFO] tweaked toml for git repo https://github.com/GabrielBueno/calcrr written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/GabrielBueno/calcrr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89c4df934c8cbda1b08c197edd56a7da5678ed8962fab0f2aa2308eb9b935673
[INFO] running `Command { std: "docker" "start" "-a" "89c4df934c8cbda1b08c197edd56a7da5678ed8962fab0f2aa2308eb9b935673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c4df934c8cbda1b08c197edd56a7da5678ed8962fab0f2aa2308eb9b935673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c4df934c8cbda1b08c197edd56a7da5678ed8962fab0f2aa2308eb9b935673", kill_on_drop: false }`
[INFO] [stdout] 89c4df934c8cbda1b08c197edd56a7da5678ed8962fab0f2aa2308eb9b935673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c483020b6c613faf47f863002e2e750f490c8e0d5194253f040f60017e5f98d5
[INFO] running `Command { std: "docker" "start" "-a" "c483020b6c613faf47f863002e2e750f490c8e0d5194253f040f60017e5f98d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking calcrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/lexer.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/lexer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/lexer.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn head(self: &TokenCollection) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/lexer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn len(self: &TokenCollection) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.90s
[INFO] running `Command { std: "docker" "inspect" "c483020b6c613faf47f863002e2e750f490c8e0d5194253f040f60017e5f98d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c483020b6c613faf47f863002e2e750f490c8e0d5194253f040f60017e5f98d5", kill_on_drop: false }`
[INFO] [stdout] c483020b6c613faf47f863002e2e750f490c8e0d5194253f040f60017e5f98d5