[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 try#0abe69e6c16114311cc2700e972492e64d69c28f 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memoryleak47/kbc on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc9e9c08d9357eadfe514fd2e990a9ff621621fb71787e8a6cf8c67625cd8ab8
[INFO] running `Command { std: "docker" "start" "-a" "fc9e9c08d9357eadfe514fd2e990a9ff621621fb71787e8a6cf8c67625cd8ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc9e9c08d9357eadfe514fd2e990a9ff621621fb71787e8a6cf8c67625cd8ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9e9c08d9357eadfe514fd2e990a9ff621621fb71787e8a6cf8c67625cd8ab8", kill_on_drop: false }`
[INFO] [stdout] fc9e9c08d9357eadfe514fd2e990a9ff621621fb71787e8a6cf8c67625cd8ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c9b1afb16666b7468af3c741d294a2f9eb680f264025d8f43c22a4b479520b
[INFO] running `Command { std: "docker" "start" "-a" "87c9b1afb16666b7468af3c741d294a2f9eb680f264025d8f43c22a4b479520b", 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 1.09s
[INFO] running `Command { std: "docker" "inspect" "87c9b1afb16666b7468af3c741d294a2f9eb680f264025d8f43c22a4b479520b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c9b1afb16666b7468af3c741d294a2f9eb680f264025d8f43c22a4b479520b", kill_on_drop: false }`
[INFO] [stdout] 87c9b1afb16666b7468af3c741d294a2f9eb680f264025d8f43c22a4b479520b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f68068e3aee48bf21afbe65c8a52e6be5443506aa9260952e02c07ed1ad4eea
[INFO] running `Command { std: "docker" "start" "-a" "2f68068e3aee48bf21afbe65c8a52e6be5443506aa9260952e02c07ed1ad4eea", 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/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/mod.rs:3114:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `[T]`
[INFO] [stdout]   --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/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/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/mod.rs:3114:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `[T]`
[INFO] [stdout]   --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/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/0abe69e6c16114311cc2700e972492e64d69c28f/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/0abe69e6c16114311cc2700e972492e64d69c28f/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] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kbc` (bin "kbc" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f68068e3aee48bf21afbe65c8a52e6be5443506aa9260952e02c07ed1ad4eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f68068e3aee48bf21afbe65c8a52e6be5443506aa9260952e02c07ed1ad4eea", kill_on_drop: false }`
[INFO] [stdout] 2f68068e3aee48bf21afbe65c8a52e6be5443506aa9260952e02c07ed1ad4eea