[INFO] cloning repository https://github.com/memoryleak47/kbc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoryleak47/kbc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fkbc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fkbc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaa2fd075b19c47b678e547313670d67f13f967a
[INFO] testing memoryleak47/kbc against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fkbc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/memoryleak47/kbc
[INFO] finished tweaking git repo https://github.com/memoryleak47/kbc
[INFO] tweaked toml for git repo https://github.com/memoryleak47/kbc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memoryleak47/kbc on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/memoryleak47/kbc 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f1cc1786d369b663697b75cd93936d76c83f6b65dc7e55af219e30d6e75228
[INFO] running `Command { std: "docker" "start" "-a" "38f1cc1786d369b663697b75cd93936d76c83f6b65dc7e55af219e30d6e75228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f1cc1786d369b663697b75cd93936d76c83f6b65dc7e55af219e30d6e75228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f1cc1786d369b663697b75cd93936d76c83f6b65dc7e55af219e30d6e75228", kill_on_drop: false }`
[INFO] [stdout] 38f1cc1786d369b663697b75cd93936d76c83f6b65dc7e55af219e30d6e75228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd08fd03f007b59580048b1d778fa401136b2b7f6ee2e160783aace87320527
[INFO] running `Command { std: "docker" "start" "-a" "3cd08fd03f007b59580048b1d778fa401136b2b7f6ee2e160783aace87320527", kill_on_drop: false }`
[INFO] [stderr]    Compiling kbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `box_ft` is never used
[INFO] [stdout]   --> src/unify.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn box_ft(ft: &FlatTerm) -> Box<FlatTerm> {
[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 1.22s
[INFO] running `Command { std: "docker" "inspect" "3cd08fd03f007b59580048b1d778fa401136b2b7f6ee2e160783aace87320527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd08fd03f007b59580048b1d778fa401136b2b7f6ee2e160783aace87320527", kill_on_drop: false }`
[INFO] [stdout] 3cd08fd03f007b59580048b1d778fa401136b2b7f6ee2e160783aace87320527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb4848a7af3720e88ba2f21ab4a278e2ddf2cb984c72f280325849da59b2551e
[INFO] running `Command { std: "docker" "start" "-a" "fb4848a7af3720e88ba2f21ab4a278e2ddf2cb984c72f280325849da59b2551e", kill_on_drop: false }`
[INFO] [stderr]    Compiling kbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `flatterm::Entry` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/subst.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     assert_eq!(&t_out, &*t_out2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Debug` is not implemented for `flatterm::Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `flatterm::Entry` or manually `impl std::fmt::Debug for flatterm::Entry`
[INFO] [stdout] help: the following other types implement trait `std::fmt::Debug`
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/mod.rs:3114:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `[T]`
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/array/mod.rs:354:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `[T; N]`
[INFO] [stdout] help: consider annotating `flatterm::Entry` with `#[derive(Debug)]`
[INFO] [stdout]   --> src/flatterm.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 + #[derive(Debug)]
[INFO] [stdout]  5 | pub struct Entry {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `flatterm::Entry` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/subst.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     assert_eq!(&t_out, &*t_out2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Debug` is not implemented for `flatterm::Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `flatterm::Entry` or manually `impl std::fmt::Debug for flatterm::Entry`
[INFO] [stdout] help: the following other types implement trait `std::fmt::Debug`
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/mod.rs:3114:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `[T]`
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/array/mod.rs:354:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `[T; N]`
[INFO] [stdout] help: consider annotating `flatterm::Entry` with `#[derive(Debug)]`
[INFO] [stdout]   --> src/flatterm.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 + #[derive(Debug)]
[INFO] [stdout]  5 | pub struct Entry {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `flatterm::Entry` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/index.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     assert_eq!(matches, other);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Debug` is not implemented for `flatterm::Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `flatterm::Entry` or manually `impl std::fmt::Debug for flatterm::Entry`
[INFO] [stdout] help: the trait `std::fmt::Debug` is implemented for `Vec<T, A>`
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/vec/mod.rs:4261:0
[INFO] [stdout] help: consider annotating `flatterm::Entry` with `#[derive(Debug)]`
[INFO] [stdout]   --> src/flatterm.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 + #[derive(Debug)]
[INFO] [stdout]  5 | pub struct Entry {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `flatterm::Entry` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/index.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     assert_eq!(matches, other);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Debug` is not implemented for `flatterm::Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `flatterm::Entry` or manually `impl std::fmt::Debug for flatterm::Entry`
[INFO] [stdout] help: the trait `std::fmt::Debug` is implemented for `Vec<T, A>`
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/vec/mod.rs:4261:0
[INFO] [stdout] help: consider annotating `flatterm::Entry` with `#[derive(Debug)]`
[INFO] [stdout]   --> src/flatterm.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 + #[derive(Debug)]
[INFO] [stdout]  5 | pub struct Entry {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kbc` (bin "kbc" test) due to 4 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb4848a7af3720e88ba2f21ab4a278e2ddf2cb984c72f280325849da59b2551e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4848a7af3720e88ba2f21ab4a278e2ddf2cb984c72f280325849da59b2551e", kill_on_drop: false }`
[INFO] [stdout] fb4848a7af3720e88ba2f21ab4a278e2ddf2cb984c72f280325849da59b2551e