[INFO] cloning repository https://github.com/yuquimura/TPC-TP2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuquimura/TPC-TP2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuquimura%2FTPC-TP2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuquimura%2FTPC-TP2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68790af7447ecca1b9268ecfa119ec843f770b99
[INFO] checking yuquimura/TPC-TP2 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%2Fyuquimura%2FTPC-TP2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yuquimura/TPC-TP2
[INFO] finished tweaking git repo https://github.com/yuquimura/TPC-TP2
[INFO] tweaked toml for git repo https://github.com/yuquimura/TPC-TP2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yuquimura/TPC-TP2 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/yuquimura/TPC-TP2 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 84005d7f0bb31d44da75c0426cd2839488079077e9fb24de67d8f32cb87d23c4
[INFO] running `Command { std: "docker" "start" "-a" "84005d7f0bb31d44da75c0426cd2839488079077e9fb24de67d8f32cb87d23c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84005d7f0bb31d44da75c0426cd2839488079077e9fb24de67d8f32cb87d23c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84005d7f0bb31d44da75c0426cd2839488079077e9fb24de67d8f32cb87d23c4", kill_on_drop: false }`
[INFO] [stdout] 84005d7f0bb31d44da75c0426cd2839488079077e9fb24de67d8f32cb87d23c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7d8a0359a805066f257e209724be14f340d641dd692307f9be69cbccd8f5dd40
[INFO] running `Command { std: "docker" "start" "-a" "7d8a0359a805066f257e209724be14f340d641dd692307f9be69cbccd8f5dd40", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking termtree v0.2.3
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]     Checking tp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/alglobo/transaction_manager.rs:273:56
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn get_current(&self) -> MutexGuard<'_, Option<Box<(dyn Transactionable + Send + 'static)>>> {
[INFO] [stdout]     |                                                        ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 273 -     fn get_current(&self) -> MutexGuard<'_, Option<Box<(dyn Transactionable + Send + 'static)>>> {
[INFO] [stdout] 273 +     fn get_current(&self) -> MutexGuard<'_, Option<Box<dyn Transactionable + Send + 'static >>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/candidates/candidate.rs:115:20
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 if let Ok(parsed) = self.leader_address.parse() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/candidates/candidate.rs:115:37
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 if let Ok(parsed) = self.leader_address.parse() {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tp` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d8a0359a805066f257e209724be14f340d641dd692307f9be69cbccd8f5dd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8a0359a805066f257e209724be14f340d641dd692307f9be69cbccd8f5dd40", kill_on_drop: false }`
[INFO] [stdout] 7d8a0359a805066f257e209724be14f340d641dd692307f9be69cbccd8f5dd40
