[INFO] fetching crate conquer-once 0.4.0...
[INFO] testing conquer-once-0.4.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate conquer-once 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate conquer-once 0.4.0
[INFO] finished tweaking crates.io crate conquer-once 0.4.0
[INFO] tweaked toml for crates.io crate conquer-once 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate conquer-once 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to highest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8
[INFO] running `Command { std: "docker" "start" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling conquer-once v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/state.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     WouldBlock(BlockedState),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 172 -     WouldBlock(BlockedState),
[INFO] [stdout] 172 +     WouldBlock(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/state.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     WouldBlock(BlockedState),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 172 -     WouldBlock(BlockedState),
[INFO] [stdout] 172 +     WouldBlock(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling conquer-once v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/state.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     WouldBlock(BlockedState),
[INFO] [stdout]     |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 172 -     WouldBlock(BlockedState),
[INFO] [stdout] 172 +     WouldBlock(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/state.rs:172:16
[INFO] [stderr]     |
[INFO] [stderr] 172 |     WouldBlock(BlockedState),
[INFO] [stderr]     |     ---------- ^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 172 -     WouldBlock(BlockedState),
[INFO] [stderr] 172 +     WouldBlock(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `conquer-once` (lib) generated 1 warning
[INFO] [stderr] warning: `conquer-once` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/conquer_once-0e8e5dad41991671)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test noblock::tests::recursive ... ok
[INFO] [stdout] test park::tests::lazy_mutex ... ok
[INFO] [stdout] test park::tests::drop_on_panic - should panic ... ok
[INFO] [stdout] test noblock::tests::once_cell_uninit ... ok
[INFO] [stdout] test park::tests::lazy ... ok
[INFO] [stdout] test park::tests::catch_panic ... ok
[INFO] [stdout] test park::tests::once_cell_drop ... ok
[INFO] [stdout] test park::tests::once_cell_init_once ... ok
[INFO] [stdout] test park::tests::once_cell_new ... ok
[INFO] [stdout] test park::tests::once_cell_into_inner ... ok
[INFO] [stdout] test noblock::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test park::tests::once_cell_block ... ok
[INFO] [stdout] test noblock::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test park::tests::lazy_poisoned ... ok
[INFO] [stdout] test park::tests::once_cell_uninit ... ok
[INFO] [stdout] test park::tests::recursive ... ok
[INFO] [stdout] test park::tests::once_cell_into_inner_poisoned - should panic ... ok
[INFO] [stdout] test spin::tests::catch_panic ... ok
[INFO] [stdout] test park::tests::once_cell_propagate_poison_from_block - should panic ... ok
[INFO] [stdout] test spin::tests::once_cell_drop ... ok
[INFO] [stdout] test spin::tests::once_cell_init_once ... ok
[INFO] [stdout] test spin::tests::once_cell_into_inner ... ok
[INFO] [stdout] test spin::tests::once_cell_into_inner_poisoned - should panic ... ok
[INFO] [stdout] test spin::tests::drop_on_panic - should panic ... ok
[INFO] [stdout] test spin::tests::lazy ... ok
[INFO] [stdout] test spin::tests::lazy_mutex ... ok
[INFO] [stdout] test spin::tests::once_cell_new ... ok
[INFO] [stdout] test spin::tests::lazy_poisoned ... ok
[INFO] [stdout] test spin::tests::once_cell_uninit ... ok
[INFO] [stdout] test spin::tests::recursive ... ok
[INFO] [stdout] test park::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] test park::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test spin::tests::once_cell_propagate_poison_from_block - should panic ... ok
[INFO] [stdout] test spin::tests::once_cell_try_init_once ... ok
[INFO] [stdout] test spin::tests::once_cell_block ... ok
[INFO] [stdout] test spin::tests::once_cell_try_init_and_try_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests conquer_once
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::get_unchecked (line 183) ... ok
[INFO] [stdout] test src/lazy.rs - lazy::Lazy<T,B,F>::new (line 26) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::into_inner (line 96) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::try_init_once (line 267) ... ok
[INFO] [stdout] test src/park.rs - park::Lazy (line 32) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::get (line 380) ... ok
[INFO] [stdout] test src/cell.rs - cell::OnceCell<T,B>::init_once (line 431) ... ok
[INFO] [stdout] test src/park.rs - park::Once (line 132) ... ok
[INFO] [stdout] test src/park.rs - park::OnceCell (line 88) ... ok
[INFO] [stdout] test src/park.rs - park::Lazy (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8", kill_on_drop: false }`
[INFO] [stdout] ffdb93c7e0c0c06ec916a52e0b572e680774db04f42bfbe674feeb695e28e6c8
