[INFO] cloning repository https://github.com/JohnSwiftC/schedcalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnSwiftC/schedcalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnSwiftC%2Fschedcalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnSwiftC%2Fschedcalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59c14fdc91b700b6645da24621b3563fde677599
[INFO] checking JohnSwiftC/schedcalc against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnSwiftC%2Fschedcalc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JohnSwiftC/schedcalc
[INFO] finished tweaking git repo https://github.com/JohnSwiftC/schedcalc
[INFO] tweaked toml for git repo https://github.com/JohnSwiftC/schedcalc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JohnSwiftC/schedcalc on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JohnSwiftC/schedcalc 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db2b63f017847919985bdaf0b96f8d9d50c89e2992a949ac335c15f0e07a5d2
[INFO] running `Command { std: "docker" "start" "-a" "4db2b63f017847919985bdaf0b96f8d9d50c89e2992a949ac335c15f0e07a5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db2b63f017847919985bdaf0b96f8d9d50c89e2992a949ac335c15f0e07a5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db2b63f017847919985bdaf0b96f8d9d50c89e2992a949ac335c15f0e07a5d2", kill_on_drop: false }`
[INFO] [stdout] 4db2b63f017847919985bdaf0b96f8d9d50c89e2992a949ac335c15f0e07a5d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7f7663a9ae5af3a1f5b9f0b5e32190cadc7850c2b8c3ae1882b5c6f4db1cfd3
[INFO] running `Command { std: "docker" "start" "-a" "b7f7663a9ae5af3a1f5b9f0b5e32190cadc7850c2b8c3ae1882b5c6f4db1cfd3", kill_on_drop: false }`
[INFO] [stderr]     Checking schedcalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/effect_to_path.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/effect_to_path.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `best_node` is assigned to, but never used
[INFO] [stdout]    --> src/best_with_ingredients.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let mut best_node: Option<MixNode> = None;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_best_node` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best_node` is never read
[INFO] [stdout]    --> src/best_with_ingredients.rs:334:13
[INFO] [stdout]     |
[INFO] [stdout] 334 |             best_node = Some(node.clone());
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `best_node` is assigned to, but never used
[INFO] [stdout]    --> src/best_with_ingredients.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     let mut best_node: Option<MixNode> = None;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_best_node` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best_node` is never read
[INFO] [stdout]    --> src/best_with_ingredients.rs:334:13
[INFO] [stdout]     |
[INFO] [stdout] 334 |             best_node = Some(node.clone());
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/effect_to_path.rs:424:4
[INFO] [stdout]     |
[INFO] [stdout] 424 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/effect_to_path.rs:424:4
[INFO] [stdout]     |
[INFO] [stdout] 424 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "b7f7663a9ae5af3a1f5b9f0b5e32190cadc7850c2b8c3ae1882b5c6f4db1cfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f7663a9ae5af3a1f5b9f0b5e32190cadc7850c2b8c3ae1882b5c6f4db1cfd3", kill_on_drop: false }`
[INFO] [stdout] b7f7663a9ae5af3a1f5b9f0b5e32190cadc7850c2b8c3ae1882b5c6f4db1cfd3