[INFO] cloning repository https://github.com/Monadic-Cat/rust-sqrt-irrational
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Monadic-Cat/rust-sqrt-irrational" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonadic-Cat%2Frust-sqrt-irrational", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonadic-Cat%2Frust-sqrt-irrational'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77f0319880426587fdfc246a97302b2074a9331c
[INFO] checking Monadic-Cat/rust-sqrt-irrational against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonadic-Cat%2Frust-sqrt-irrational" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Monadic-Cat/rust-sqrt-irrational
[INFO] finished tweaking git repo https://github.com/Monadic-Cat/rust-sqrt-irrational
[INFO] tweaked toml for git repo https://github.com/Monadic-Cat/rust-sqrt-irrational written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Monadic-Cat/rust-sqrt-irrational on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Monadic-Cat/rust-sqrt-irrational 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da3f934107c86b35e930189a8ff9f99c84ee2e8bff1c71bfe1ab26ec95838d7f
[INFO] running `Command { std: "docker" "start" "-a" "da3f934107c86b35e930189a8ff9f99c84ee2e8bff1c71bfe1ab26ec95838d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da3f934107c86b35e930189a8ff9f99c84ee2e8bff1c71bfe1ab26ec95838d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3f934107c86b35e930189a8ff9f99c84ee2e8bff1c71bfe1ab26ec95838d7f", kill_on_drop: false }`
[INFO] [stdout] da3f934107c86b35e930189a8ff9f99c84ee2e8bff1c71bfe1ab26ec95838d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c242e96281563ca3b456306d712bc132211916036c72d97b6dd4fcd8c65fa0af
[INFO] running `Command { std: "docker" "start" "-a" "c242e96281563ca3b456306d712bc132211916036c72d97b6dd4fcd8c65fa0af", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-sqrt-irrational v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Reify` is never used
[INFO] [stdout]   --> src/main.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | trait Reify {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LessThan` is never used
[INFO] [stdout]    --> src/main.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 | trait LessThan<N> {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LessThanOrEqual` is never used
[INFO] [stdout]    --> src/main.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | trait LessThanOrEqual<N> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GreaterThan` is never used
[INFO] [stdout]    --> src/main.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait GreaterThan<N> {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GreaterThanOrEqual` is never used
[INFO] [stdout]    --> src/main.rs:136:7
[INFO] [stdout]     |
[INFO] [stdout] 136 | trait GreaterThanOrEqual<N> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Reify` is never used
[INFO] [stdout]   --> src/main.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | trait Reify {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ratio` is never constructed
[INFO] [stdout]    --> src/main.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | struct Ratio<Numerator: Nat, Denominator: Nat> { _a: PhantomData<Numerator>, _b: Denominator }
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ThreeFourths` is never used
[INFO] [stdout]    --> src/main.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | type ThreeFourths = Ratio<Three, Four>;
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LessThan` is never used
[INFO] [stdout]    --> src/main.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 | trait LessThan<N> {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LessThanOrEqual` is never used
[INFO] [stdout]    --> src/main.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | trait LessThanOrEqual<N> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GreaterThan` is never used
[INFO] [stdout]    --> src/main.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | trait GreaterThan<N> {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GreaterThanOrEqual` is never used
[INFO] [stdout]    --> src/main.rs:136:7
[INFO] [stdout]     |
[INFO] [stdout] 136 | trait GreaterThanOrEqual<N> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ratio` is never constructed
[INFO] [stdout]    --> src/main.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | struct Ratio<Numerator: Nat, Denominator: Nat> { _a: PhantomData<Numerator>, _b: Denominator }
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ThreeFourths` is never used
[INFO] [stdout]    --> src/main.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | type ThreeFourths = Ratio<Three, Four>;
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "c242e96281563ca3b456306d712bc132211916036c72d97b6dd4fcd8c65fa0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c242e96281563ca3b456306d712bc132211916036c72d97b6dd4fcd8c65fa0af", kill_on_drop: false }`
[INFO] [stdout] c242e96281563ca3b456306d712bc132211916036c72d97b6dd4fcd8c65fa0af