[INFO] cloning repository https://github.com/tasdomas/sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tasdomas/sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasdomas%2Fsc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasdomas%2Fsc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f75d0e8d5a9d2f5022be574a5e32a4888abe15e
[INFO] checking tasdomas/sc against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftasdomas%2Fsc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tasdomas/sc on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tasdomas/sc
[INFO] finished tweaking git repo https://github.com/tasdomas/sc
[INFO] tweaked toml for git repo https://github.com/tasdomas/sc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tasdomas/sc 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa678d3d9f18631207863537c7c3c54a680b1af1d71824ceffcc6c0442c92908
[INFO] running `Command { std: "docker" "start" "-a" "fa678d3d9f18631207863537c7c3c54a680b1af1d71824ceffcc6c0442c92908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa678d3d9f18631207863537c7c3c54a680b1af1d71824ceffcc6c0442c92908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa678d3d9f18631207863537c7c3c54a680b1af1d71824ceffcc6c0442c92908", kill_on_drop: false }`
[INFO] [stdout] fa678d3d9f18631207863537c7c3c54a680b1af1d71824ceffcc6c0442c92908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 189cd7467d925b8fd332916ca1147c415c6240fc76d9a753c3cc54e96784e877
[INFO] running `Command { std: "docker" "start" "-a" "189cd7467d925b8fd332916ca1147c415c6240fc76d9a753c3cc54e96784e877", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> src/ops.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut a :f32 = 0.0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> src/ops.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut a :f32 = 0.0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]   --> src/ops.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b :f32 = 0.0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]   --> src/ops.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut b :f32 = 0.0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]  --> src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `S` should have a snake case name
[INFO] [stdout]  --> src/stack.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     S: Option<Box<StackElement<T>>>,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sum` should have a snake case name
[INFO] [stdout]  --> src/ops.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stdout]   |        ^^^ help: convert the identifier to snake case (notice the capitalization): `sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sum` should have a snake case name
[INFO] [stdout]  --> src/ops.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn Sum(mut s: Stack<f32>) -> Stack<f32> {
[INFO] [stdout]   |        ^^^ help: convert the identifier to snake case (notice the capitalization): `sum`
[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` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "189cd7467d925b8fd332916ca1147c415c6240fc76d9a753c3cc54e96784e877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189cd7467d925b8fd332916ca1147c415c6240fc76d9a753c3cc54e96784e877", kill_on_drop: false }`
[INFO] [stdout] 189cd7467d925b8fd332916ca1147c415c6240fc76d9a753c3cc54e96784e877