[INFO] cloning repository https://github.com/funsafemath/trait-bounds
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/funsafemath/trait-bounds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunsafemath%2Ftrait-bounds", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunsafemath%2Ftrait-bounds'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90e587bd77e451c229dfe8d8970a3927b2e2706d
[INFO] checking funsafemath/trait-bounds against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunsafemath%2Ftrait-bounds" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/funsafemath/trait-bounds
[INFO] finished tweaking git repo https://github.com/funsafemath/trait-bounds
[INFO] tweaked toml for git repo https://github.com/funsafemath/trait-bounds written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/funsafemath/trait-bounds on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/funsafemath/trait-bounds 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ef9dc18e4791f72988e848ec20be456d6bf882fd5d0d6655c92c63fafca4c2
[INFO] running `Command { std: "docker" "start" "-a" "e6ef9dc18e4791f72988e848ec20be456d6bf882fd5d0d6655c92c63fafca4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ef9dc18e4791f72988e848ec20be456d6bf882fd5d0d6655c92c63fafca4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ef9dc18e4791f72988e848ec20be456d6bf882fd5d0d6655c92c63fafca4c2", kill_on_drop: false }`
[INFO] [stdout] e6ef9dc18e4791f72988e848ec20be456d6bf882fd5d0d6655c92c63fafca4c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a799e109a222661344a33a1805da22c361bcdc1666b61cd7b23ad9f6399b9c
[INFO] running `Command { std: "docker" "start" "-a" "f4a799e109a222661344a33a1805da22c361bcdc1666b61cd7b23ad9f6399b9c", kill_on_drop: false }`
[INFO] [stderr]     Checking trait-bounds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> examples/from.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn from(value: T) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/from.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let a: A = a.into(); // core's blanket impl From<T> for T
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/from.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let a: A = b.into(); // blanket impl From<T: Trait> for A
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> examples/from_many.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(value: B) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> examples/from_many.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from(value: T) -> Self {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/from_many.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let a: A = a.into(); // core's blanket impl From<T> for T
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/from_many.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let a: A = b.into(); // specific impl From<B> for A
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/from_many.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let a: A = c.into(); // blanket impl From<T: Trait> for A
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f4a799e109a222661344a33a1805da22c361bcdc1666b61cd7b23ad9f6399b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a799e109a222661344a33a1805da22c361bcdc1666b61cd7b23ad9f6399b9c", kill_on_drop: false }`
[INFO] [stdout] f4a799e109a222661344a33a1805da22c361bcdc1666b61cd7b23ad9f6399b9c
