[INFO] cloning repository https://github.com/ffminus/copper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffminus/copper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffminus%2Fcopper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffminus%2Fcopper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a368479680de8fa4cf9ddcd2eecec55d9e6ca695
[INFO] checking ffminus/copper against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffminus%2Fcopper" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ffminus/copper
[INFO] finished tweaking git repo https://github.com/ffminus/copper
[INFO] tweaked toml for git repo https://github.com/ffminus/copper written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ffminus/copper on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ffminus/copper 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-clone v1.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f995f3d40c6c01819edd83bdd5a0a0af60e6d9d8fb1782c68d6f2308f29cc18
[INFO] running `Command { std: "docker" "start" "-a" "8f995f3d40c6c01819edd83bdd5a0a0af60e6d9d8fb1782c68d6f2308f29cc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f995f3d40c6c01819edd83bdd5a0a0af60e6d9d8fb1782c68d6f2308f29cc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f995f3d40c6c01819edd83bdd5a0a0af60e6d9d8fb1782c68d6f2308f29cc18", kill_on_drop: false }`
[INFO] [stdout] 8f995f3d40c6c01819edd83bdd5a0a0af60e6d9d8fb1782c68d6f2308f29cc18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324dd44332cd85529240143f26586aad6abadd4754186c74346d24673b4343d6
[INFO] running `Command { std: "docker" "start" "-a" "324dd44332cd85529240143f26586aad6abadd4754186c74346d24673b4343d6", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking copper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: use the new name `dead_code`
[INFO] [stdout]   = note: requested on the command line with `-W unused_tuple_struct_fields`
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W pointer_structural_match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: use the new name `dead_code`
[INFO] [stdout]   = note: requested on the command line with `-W unused_tuple_struct_fields`
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-W pointer_structural_match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W unused-qualifications`
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 58 -         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout] 58 +         self.push_new_prop(add::Add::new(x, y, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 63 -         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout] 63 +         self.push_new_prop(sum::Sum::new(xs, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 68 -         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout] 68 +         self.push_new_prop(eq::Equals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 73 -         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout] 73 +         self.push_new_prop(leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W unused-qualifications`
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 58 -         self.push_new_prop(self::add::Add::new(x, y, s))
[INFO] [stdout] 58 +         self.push_new_prop(add::Add::new(x, y, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 63 -         self.push_new_prop(self::sum::Sum::new(xs, s))
[INFO] [stdout] 63 +         self.push_new_prop(sum::Sum::new(xs, s))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 68 -         self.push_new_prop(self::eq::Equals::new(x, y))
[INFO] [stdout] 68 +         self.push_new_prop(eq::Equals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/props/mod.rs:73:28
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 73 -         self.push_new_prop(self::leq::LessThanOrEquals::new(x, y))
[INFO] [stdout] 73 +         self.push_new_prop(leq::LessThanOrEquals::new(x, y))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copper` (lib) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copper` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "324dd44332cd85529240143f26586aad6abadd4754186c74346d24673b4343d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324dd44332cd85529240143f26586aad6abadd4754186c74346d24673b4343d6", kill_on_drop: false }`
[INFO] [stdout] 324dd44332cd85529240143f26586aad6abadd4754186c74346d24673b4343d6
