[INFO] fetching crate conquer-once 0.4.0... [INFO] testing conquer-once-0.4.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [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 cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3998553c5c465921313e2184cd05e90c3888ff99fc27f4bab0f4504f467ad3f [INFO] running `Command { std: "docker" "start" "-a" "d3998553c5c465921313e2184cd05e90c3888ff99fc27f4bab0f4504f467ad3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3998553c5c465921313e2184cd05e90c3888ff99fc27f4bab0f4504f467ad3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3998553c5c465921313e2184cd05e90c3888ff99fc27f4bab0f4504f467ad3f", kill_on_drop: false }` [INFO] [stdout] d3998553c5c465921313e2184cd05e90c3888ff99fc27f4bab0f4504f467ad3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15b50e7d6ee19897e3f630401917a80fbc99bbd51d83bfc552648975e7eb9a0d [INFO] running `Command { std: "docker" "start" "-a" "15b50e7d6ee19897e3f630401917a80fbc99bbd51d83bfc552648975e7eb9a0d", 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 `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "15b50e7d6ee19897e3f630401917a80fbc99bbd51d83bfc552648975e7eb9a0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15b50e7d6ee19897e3f630401917a80fbc99bbd51d83bfc552648975e7eb9a0d", kill_on_drop: false }` [INFO] [stdout] 15b50e7d6ee19897e3f630401917a80fbc99bbd51d83bfc552648975e7eb9a0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52c43190ab48799f797aa1e4bd81564b49730195ef05c571754d0eca03fdff86 [INFO] running `Command { std: "docker" "start" "-a" "52c43190ab48799f797aa1e4bd81564b49730195ef05c571754d0eca03fdff86", 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 `test` profile [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "52c43190ab48799f797aa1e4bd81564b49730195ef05c571754d0eca03fdff86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52c43190ab48799f797aa1e4bd81564b49730195ef05c571754d0eca03fdff86", kill_on_drop: false }` [INFO] [stdout] 52c43190ab48799f797aa1e4bd81564b49730195ef05c571754d0eca03fdff86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 00370a8330958ac7df838b81f0cc058220d82f644589814aa2ee6f783c7959e8 [INFO] running `Command { std: "docker" "start" "-a" "00370a8330958ac7df838b81f0cc058220d82f644589814aa2ee6f783c7959e8", 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 `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/conquer_once-4f86f86ff3609edb) [INFO] [stdout] [INFO] [stdout] running 36 tests [INFO] [stdout] test park::tests::lazy ... ok [INFO] [stdout] test noblock::tests::recursive ... ok [INFO] [stdout] test park::tests::lazy_mutex ... ok [INFO] [stdout] test park::tests::once_cell_block ... ok [INFO] [stdout] test park::tests::once_cell_drop ... ok [INFO] [stdout] test park::tests::once_cell_into_inner ... ok [INFO] [stdout] test noblock::tests::once_cell_uninit ... 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_try_init_and_try_get ... ok [INFO] [stdout] test park::tests::once_cell_try_init_once ... ok [INFO] [stdout] test park::tests::once_cell_uninit ... ok [INFO] [stdout] test park::tests::recursive ... ok [INFO] [stdout] test noblock::tests::once_cell_try_init_and_try_get ... ok [INFO] [stdout] test noblock::tests::once_cell_try_init_once ... ok [INFO] [stdout] test spin::tests::lazy ... ok [INFO] [stdout] test spin::tests::lazy_mutex ... ok [INFO] [stdout] test park::tests::drop_on_panic - should panic ... ok [INFO] [stdout] test park::tests::catch_panic ... ok [INFO] [stdout] test spin::tests::once_cell_drop ... ok [INFO] [stdout] test park::tests::lazy_poisoned ... ok [INFO] [stdout] test spin::tests::once_cell_init_once ... ok [INFO] [stdout] test spin::tests::once_cell_into_inner ... 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 spin::tests::drop_on_panic - should panic ... ok [INFO] [stdout] test park::tests::once_cell_propagate_poison_from_block - should panic ... ok [INFO] [stdout] test spin::tests::once_cell_uninit ... ok [INFO] [stdout] test spin::tests::recursive ... ok [INFO] [stdout] test spin::tests::lazy_poisoned ... ok [INFO] [stdout] test spin::tests::once_cell_new ... ok [INFO] [stdout] test spin::tests::once_cell_into_inner_poisoned - should panic ... ok [INFO] [stdout] test spin::tests::once_cell_try_init_once ... ok [INFO] [stdout] test spin::tests::once_cell_try_init_and_try_get ... ok [INFO] [stdout] test spin::tests::once_cell_propagate_poison_from_block - should panic ... ok [INFO] [stderr] Doc-tests conquer_once [INFO] [stdout] test spin::tests::once_cell_block ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/park.rs - park::Lazy (line 32) ... ok [INFO] [stdout] test src/lazy.rs - lazy::Lazy::new (line 26) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::try_init_once (line 267) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::into_inner (line 96) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::init_once (line 431) ... ok [INFO] [stdout] test src/park.rs - park::Lazy (line 54) ... ok [INFO] [stdout] test src/park.rs - park::OnceCell (line 88) ... ok [INFO] [stdout] test src/park.rs - park::Once (line 132) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::get (line 380) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::get_unchecked (line 183) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "00370a8330958ac7df838b81f0cc058220d82f644589814aa2ee6f783c7959e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00370a8330958ac7df838b81f0cc058220d82f644589814aa2ee6f783c7959e8", kill_on_drop: false }` [INFO] [stdout] 00370a8330958ac7df838b81f0cc058220d82f644589814aa2ee6f783c7959e8