[INFO] cloning repository https://github.com/ryo33/convertable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryo33/convertable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo33%2Fconvertable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo33%2Fconvertable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c44717ae138d28c6399447661762d68c180908e2
[INFO] checking ryo33/convertable against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo33%2Fconvertable" "/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/ryo33/convertable
[INFO] finished tweaking git repo https://github.com/ryo33/convertable
[INFO] tweaked toml for git repo https://github.com/ryo33/convertable written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryo33/convertable on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryo33/convertable 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7743a73262c0e681b12b3a489a30d32520dc74249550b727a1cb664ae3214ca5
[INFO] running `Command { std: "docker" "start" "-a" "7743a73262c0e681b12b3a489a30d32520dc74249550b727a1cb664ae3214ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7743a73262c0e681b12b3a489a30d32520dc74249550b727a1cb664ae3214ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7743a73262c0e681b12b3a489a30d32520dc74249550b727a1cb664ae3214ca5", kill_on_drop: false }`
[INFO] [stdout] 7743a73262c0e681b12b3a489a30d32520dc74249550b727a1cb664ae3214ca5
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cc0c0105c58edaff0692203dadc1ad61b0f198ae5bd554df15a11c22d39b2f7
[INFO] running `Command { std: "docker" "start" "-a" "1cc0c0105c58edaff0692203dadc1ad61b0f198ae5bd554df15a11c22d39b2f7", kill_on_drop: false }`
[INFO] [stderr]     Checking convertable v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]   --> src/lib.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             pub struct C<T>(T);
[INFO] [stdout]    |                        ^
[INFO] [stdout] ...
[INFO] [stdout] 78 |         structs!();
[INFO] [stdout]    |         ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]   --> src/lib.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             pub struct C<T>(T);
[INFO] [stdout]    |                        ^
[INFO] [stdout] ...
[INFO] [stdout] 90 |         structs!();
[INFO] [stdout]    |         ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `C` is never constructed
[INFO] [stdout]    --> src/lib.rs:72:24
[INFO] [stdout]     |
[INFO] [stdout]  72 |             pub struct C<T>(T);
[INFO] [stdout]     |                        ^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         structs!();
[INFO] [stdout]     |         ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `structs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::convert_into_implies_try_convert_from::B, core::convert::Infallible>
[INFO] [stdout]    --> src/lib.rs:110:45
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let actual: Result<B, Infallible> = B::try_convert_from(A(1));
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::convert_into_implies_try_convert_from::B, core::convert::Infallible>
[INFO] [stdout]    --> src/lib.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(actual, Ok(B(1)));
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::convert_into_implies_try_convert_from::B, core::convert::Infallible>
[INFO] [stdout]    --> src/lib.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(actual, Ok(B(1)));
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::convert_into_implies_try_convert_from::B, core::convert::Infallible>
[INFO] [stdout]    --> src/lib.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(actual, Ok(B(1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::convert_into_implies_try_convert_from::B, core::convert::Infallible>
[INFO] [stdout]    --> src/lib.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(actual, Ok(B(1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::convert_into_implies_try_convert_from::B, core::convert::Infallible>
[INFO] [stdout]    --> src/lib.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(actual, Ok(B(1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tests::convert_into_implies_try_convert_from::B, core::convert::Infallible>
[INFO] [stdout]    --> src/lib.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(actual, Ok(B(1)));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `convertable` (lib test) due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1cc0c0105c58edaff0692203dadc1ad61b0f198ae5bd554df15a11c22d39b2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc0c0105c58edaff0692203dadc1ad61b0f198ae5bd554df15a11c22d39b2f7", kill_on_drop: false }`
[INFO] [stdout] 1cc0c0105c58edaff0692203dadc1ad61b0f198ae5bd554df15a11c22d39b2f7
