[INFO] cloning repository https://github.com/rfaulhaber/sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfaulhaber/sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1c9b057c9e56d0e66b742ae205e75bf9f3af8c9
[INFO] checking rfaulhaber/sc against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rfaulhaber/sc on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rfaulhaber/sc
[INFO] finished tweaking git repo https://github.com/rfaulhaber/sc
[INFO] tweaked toml for git repo https://github.com/rfaulhaber/sc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rfaulhaber/sc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c34240ef5cf45c01605191b55aff2b2914d2e82979be704c8c3514ce2caca66f
[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" "c34240ef5cf45c01605191b55aff2b2914d2e82979be704c8c3514ce2caca66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c34240ef5cf45c01605191b55aff2b2914d2e82979be704c8c3514ce2caca66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34240ef5cf45c01605191b55aff2b2914d2e82979be704c8c3514ce2caca66f", kill_on_drop: false }`
[INFO] [stdout] c34240ef5cf45c01605191b55aff2b2914d2e82979be704c8c3514ce2caca66f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83fbbb85c2c1fdf98bb84b18944215ae7a9e7a14cf7c437d72afe79abb65e7c8
[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" "83fbbb85c2c1fdf98bb84b18944215ae7a9e7a14cf7c437d72afe79abb65e7c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]     Checking sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/expr.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/expr.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Scientific`
[INFO] [stdout]   --> src/config.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Scientific,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Programmer`
[INFO] [stdout]   --> src/config.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Programmer,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_number`
[INFO] [stdout]    --> src/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn is_number(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Scientific`
[INFO] [stdout]   --> src/config.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Scientific,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Programmer`
[INFO] [stdout]   --> src/config.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Programmer,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_number`
[INFO] [stdout]    --> src/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn is_number(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.80s
[INFO] running `Command { std: "docker" "inspect" "83fbbb85c2c1fdf98bb84b18944215ae7a9e7a14cf7c437d72afe79abb65e7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fbbb85c2c1fdf98bb84b18944215ae7a9e7a14cf7c437d72afe79abb65e7c8", kill_on_drop: false }`
[INFO] [stdout] 83fbbb85c2c1fdf98bb84b18944215ae7a9e7a14cf7c437d72afe79abb65e7c8