[INFO] cloning repository https://github.com/LiGM-GH/barber-paradox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiGM-GH/barber-paradox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiGM-GH%2Fbarber-paradox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiGM-GH%2Fbarber-paradox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6b7c039a3eaf9b9e490c448216b1086d7136cdd
[INFO] checking LiGM-GH/barber-paradox against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiGM-GH%2Fbarber-paradox" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LiGM-GH/barber-paradox
[INFO] finished tweaking git repo https://github.com/LiGM-GH/barber-paradox
[INFO] tweaked toml for git repo https://github.com/LiGM-GH/barber-paradox written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LiGM-GH/barber-paradox on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LiGM-GH/barber-paradox 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b79230e2e8afd9183e8dc9157afee4e2caf00905abcf81ee8eda6bc5c872409
[INFO] running `Command { std: "docker" "start" "-a" "2b79230e2e8afd9183e8dc9157afee4e2caf00905abcf81ee8eda6bc5c872409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b79230e2e8afd9183e8dc9157afee4e2caf00905abcf81ee8eda6bc5c872409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b79230e2e8afd9183e8dc9157afee4e2caf00905abcf81ee8eda6bc5c872409", kill_on_drop: false }`
[INFO] [stdout] 2b79230e2e8afd9183e8dc9157afee4e2caf00905abcf81ee8eda6bc5c872409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d34ca6adcfe01e65df20c7e7db0a4e295c4a4a5fbbf4143153036d40ccd177c
[INFO] running `Command { std: "docker" "start" "-a" "4d34ca6adcfe01e65df20c7e7db0a4e295c4a4a5fbbf4143153036d40ccd177c", kill_on_drop: false }`
[INFO] [stderr]     Checking barber-paradox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0446]: private trait `ShaveAbility` in public interface
[INFO] [stdout]   --> src/comptime.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | trait ShaveAbility {}
[INFO] [stdout]    | ------------------ `ShaveAbility` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 31 |     type Shave: ShaveAbility;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BarberWoman` is never constructed
[INFO] [stdout]   --> src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct BarberWoman;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tag1` is never constructed
[INFO] [stdout]  --> src/mutually_exclusive_traits.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Tag1;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tag2` is never constructed
[INFO] [stdout]  --> src/mutually_exclusive_traits.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Tag2;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Citizen` is never used
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Citizen {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ShavesHimself` is never used
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait ShavesHimself: Citizen<Tag = Tag1> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ShavesWithBarber` is never used
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait ShavesWithBarber: Citizen<Tag = Tag2> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Barber` is never constructed
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Barber;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AssertShaves` is never constructed
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct AssertShaves<T: ShavesHimself>(T);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AssertBarbes` is never constructed
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct AssertBarbes<T: ShavesWithBarber>(T);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Seal` is never used
[INFO] [stdout]  --> src/mutually_exclusive_traits.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub trait Seal {}
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `barber-paradox` (bin "barber-paradox" test) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0446]: private trait `ShaveAbility` in public interface
[INFO] [stdout]   --> src/comptime.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | trait ShaveAbility {}
[INFO] [stdout]    | ------------------ `ShaveAbility` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 31 |     type Shave: ShaveAbility;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Beard` is never constructed
[INFO] [stdout]  --> src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Beard(u8);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SelfShave` is never used
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait SelfShave {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BeShaved` is never used
[INFO] [stdout]   --> src/main.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait BeShaved {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Barber` is never used
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Barber {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BarberMan` is never constructed
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BarberMan {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl BarberMan {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BarberWoman` is never constructed
[INFO] [stdout]   --> src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct BarberWoman;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Citizen` is never constructed
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Citizen {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl Citizen {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 64 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tag1` is never constructed
[INFO] [stdout]  --> src/mutually_exclusive_traits.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Tag1;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tag2` is never constructed
[INFO] [stdout]  --> src/mutually_exclusive_traits.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Tag2;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Citizen` is never used
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Citizen {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ShavesHimself` is never used
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait ShavesHimself: Citizen<Tag = Tag1> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ShavesWithBarber` is never used
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait ShavesWithBarber: Citizen<Tag = Tag2> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Barber` is never constructed
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Barber;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AssertShaves` is never constructed
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct AssertShaves<T: ShavesHimself>(T);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AssertBarbes` is never constructed
[INFO] [stdout]   --> src/mutually_exclusive_traits.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct AssertBarbes<T: ShavesWithBarber>(T);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Seal` is never used
[INFO] [stdout]  --> src/mutually_exclusive_traits.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub trait Seal {}
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `barber-paradox` (bin "barber-paradox") due to 1 previous error; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4d34ca6adcfe01e65df20c7e7db0a4e295c4a4a5fbbf4143153036d40ccd177c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d34ca6adcfe01e65df20c7e7db0a4e295c4a4a5fbbf4143153036d40ccd177c", kill_on_drop: false }`
[INFO] [stdout] 4d34ca6adcfe01e65df20c7e7db0a4e295c4a4a5fbbf4143153036d40ccd177c