[INFO] fetching crate restricted-tuple 0.2.0...
[INFO] testing restricted-tuple-0.2.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate restricted-tuple 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate restricted-tuple 0.2.0
[INFO] finished tweaking crates.io crate restricted-tuple 0.2.0
[INFO] tweaked toml for crates.io crate restricted-tuple 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate restricted-tuple 0.2.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integral-exponential-polynomial v0.2.0
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 366b893939c3ad06d00a7c0c35424739d5838407754ccbceef12393cdda49c58
[INFO] running `Command { std: "docker" "start" "-a" "366b893939c3ad06d00a7c0c35424739d5838407754ccbceef12393cdda49c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "366b893939c3ad06d00a7c0c35424739d5838407754ccbceef12393cdda49c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366b893939c3ad06d00a7c0c35424739d5838407754ccbceef12393cdda49c58", kill_on_drop: false }`
[INFO] [stdout] 366b893939c3ad06d00a7c0c35424739d5838407754ccbceef12393cdda49c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d16ccec9bddf6bfad630ee2cf0eb42af23d1e2646dbe5afcef0c97a39dae915
[INFO] running `Command { std: "docker" "start" "-a" "0d16ccec9bddf6bfad630ee2cf0eb42af23d1e2646dbe5afcef0c97a39dae915", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling integral-exponential-polynomial v0.2.0
[INFO] [stderr]    Compiling restricted-tuple v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 let mut item = &mut self.next_state[cur];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:298:21
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 let mut item = &mut self.next_state[0];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:304:21
[INFO] [stdout]     |
[INFO] [stdout] 304 |                 let mut item = &mut self.next_state[i];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "0d16ccec9bddf6bfad630ee2cf0eb42af23d1e2646dbe5afcef0c97a39dae915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d16ccec9bddf6bfad630ee2cf0eb42af23d1e2646dbe5afcef0c97a39dae915", kill_on_drop: false }`
[INFO] [stdout] 0d16ccec9bddf6bfad630ee2cf0eb42af23d1e2646dbe5afcef0c97a39dae915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a6c3cb6564902160159047725cef32ae4d951271b5c2871e51531e049721ae6
[INFO] running `Command { std: "docker" "start" "-a" "1a6c3cb6564902160159047725cef32ae4d951271b5c2871e51531e049721ae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 let mut item = &mut self.next_state[cur];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:298:21
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 let mut item = &mut self.next_state[0];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:304:21
[INFO] [stdout]     |
[INFO] [stdout] 304 |                 let mut item = &mut self.next_state[i];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling restricted-tuple v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 let mut item = &mut self.next_state[cur];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:298:21
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 let mut item = &mut self.next_state[0];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:304:21
[INFO] [stdout]     |
[INFO] [stdout] 304 |                 let mut item = &mut self.next_state[i];
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "1a6c3cb6564902160159047725cef32ae4d951271b5c2871e51531e049721ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6c3cb6564902160159047725cef32ae4d951271b5c2871e51531e049721ae6", kill_on_drop: false }`
[INFO] [stdout] 1a6c3cb6564902160159047725cef32ae4d951271b5c2871e51531e049721ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 586f2d4f7a5a2d03f8931373a9198d7ae5e7223086050f974b241bc5df8786f1
[INFO] running `Command { std: "docker" "start" "-a" "586f2d4f7a5a2d03f8931373a9198d7ae5e7223086050f974b241bc5df8786f1", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:276:21
[INFO] [stderr]     |
[INFO] [stderr] 276 |                 let mut item = &mut self.next_state[cur];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:298:21
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 let mut item = &mut self.next_state[0];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:304:21
[INFO] [stderr]     |
[INFO] [stderr] 304 |                 let mut item = &mut self.next_state[i];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `restricted-tuple` (lib) generated 3 warnings (run `cargo fix --lib -p restricted-tuple` to apply 3 suggestions)
[INFO] [stderr] warning: `restricted-tuple` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/restricted_tuple-2387f74720397c72)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::zero_count_test ... ok
[INFO] [stdout] test test::empty_sets_generating_test - should panic ... ok
[INFO] [stdout] test test::length_not_enough_generating_test - should panic ... ok
[INFO] [stdout] test test::empty_set_in_sets_generating_test - should panic ... ok
[INFO] [stdout] test test::result_match_test ... ok
[INFO] [stderr]    Doc-tests restricted_tuple
[INFO] [stdout] test test::result_cycle_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Generator<'a,T>::new (line 124) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "586f2d4f7a5a2d03f8931373a9198d7ae5e7223086050f974b241bc5df8786f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586f2d4f7a5a2d03f8931373a9198d7ae5e7223086050f974b241bc5df8786f1", kill_on_drop: false }`
[INFO] [stdout] 586f2d4f7a5a2d03f8931373a9198d7ae5e7223086050f974b241bc5df8786f1
