[INFO] fetching crate conquer-once 0.4.0... [INFO] testing conquer-once-0.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate conquer-once 0.4.0 into /workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate conquer-once 0.4.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1115533a3c99ac48fac7f94993f72c6454e61ea5f1ef7a3815675949036b54f8 [INFO] running `Command { std: "docker" "start" "-a" "1115533a3c99ac48fac7f94993f72c6454e61ea5f1ef7a3815675949036b54f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1115533a3c99ac48fac7f94993f72c6454e61ea5f1ef7a3815675949036b54f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1115533a3c99ac48fac7f94993f72c6454e61ea5f1ef7a3815675949036b54f8", kill_on_drop: false }` [INFO] [stdout] 1115533a3c99ac48fac7f94993f72c6454e61ea5f1ef7a3815675949036b54f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5afe8a2fffebd6cf0440a735d60e7a942c7590bd84b21eab623b82cb79bc0ba [INFO] running `Command { std: "docker" "start" "-a" "e5afe8a2fffebd6cf0440a735d60e7a942c7590bd84b21eab623b82cb79bc0ba", 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 0.31s [INFO] running `Command { std: "docker" "inspect" "e5afe8a2fffebd6cf0440a735d60e7a942c7590bd84b21eab623b82cb79bc0ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5afe8a2fffebd6cf0440a735d60e7a942c7590bd84b21eab623b82cb79bc0ba", kill_on_drop: false }` [INFO] [stdout] e5afe8a2fffebd6cf0440a735d60e7a942c7590bd84b21eab623b82cb79bc0ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e19357f050c459986133a310b3ffc424fbeff61d714755cd92ae3302ceb71642 [INFO] running `Command { std: "docker" "start" "-a" "e19357f050c459986133a310b3ffc424fbeff61d714755cd92ae3302ceb71642", 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 1.50s [INFO] running `Command { std: "docker" "inspect" "e19357f050c459986133a310b3ffc424fbeff61d714755cd92ae3302ceb71642", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e19357f050c459986133a310b3ffc424fbeff61d714755cd92ae3302ceb71642", kill_on_drop: false }` [INFO] [stdout] e19357f050c459986133a310b3ffc424fbeff61d714755cd92ae3302ceb71642 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dccca941bd566a16a6e383f661e11e1635074fce0f1dd0ea0fc5117fb286feb2 [INFO] running `Command { std: "docker" "start" "-a" "dccca941bd566a16a6e383f661e11e1635074fce0f1dd0ea0fc5117fb286feb2", 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 0.07s [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 noblock::tests::once_cell_uninit ... ok [INFO] [stdout] test park::tests::lazy_mutex ... ok [INFO] [stdout] test park::tests::lazy ... ok [INFO] [stdout] test noblock::tests::recursive ... ok [INFO] [stdout] test park::tests::once_cell_drop ... ok [INFO] [stdout] test park::tests::once_cell_into_inner ... ok [INFO] [stdout] test park::tests::once_cell_init_once ... ok [INFO] [stdout] test park::tests::once_cell_new ... ok [INFO] [stdout] test noblock::tests::once_cell_try_init_once ... ok [INFO] [stdout] test noblock::tests::once_cell_try_init_and_try_get ... 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::recursive ... ok [INFO] [stdout] test park::tests::once_cell_uninit ... ok [INFO] [stdout] test park::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 park::tests::catch_panic ... ok [INFO] [stdout] test park::tests::once_cell_block ... ok [INFO] [stdout] test spin::tests::once_cell_drop ... ok [INFO] [stdout] test spin::tests::once_cell_init_once ... ok [INFO] [stdout] test park::tests::once_cell_into_inner_poisoned - should panic ... ok [INFO] [stdout] test spin::tests::lazy_poisoned ... ok [INFO] [stdout] test spin::tests::drop_on_panic - should panic ... ok [INFO] [stdout] test spin::tests::once_cell_new ... ok [INFO] [stderr] Doc-tests conquer_once [INFO] [stdout] test spin::tests::once_cell_into_inner ... ok [INFO] [stdout] test spin::tests::catch_panic ... ok [INFO] [stdout] test spin::tests::once_cell_into_inner_poisoned - should panic ... ok [INFO] [stdout] test spin::tests::recursive ... ok [INFO] [stdout] test spin::tests::once_cell_uninit ... ok [INFO] [stdout] test spin::tests::once_cell_try_init_once ... ok [INFO] [stdout] test park::tests::lazy_poisoned ... ok [INFO] [stdout] test park::tests::once_cell_propagate_poison_from_block - should panic ... ok [INFO] [stdout] test spin::tests::once_cell_propagate_poison_from_block - should panic ... ok [INFO] [stdout] test spin::tests::once_cell_try_init_and_try_get ... ok [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 0.04s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/cell.rs - cell::OnceCell::into_inner (line 96) ... ok [INFO] [stdout] test src/cell.rs - cell::OnceCell::get (line 380) ... 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::get_unchecked (line 183) ... ok [INFO] [stdout] test src/park.rs - park::Lazy (line 32) ... ok [INFO] [stdout] test src/park.rs - park::OnceCell (line 88) ... 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::Once (line 132) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dccca941bd566a16a6e383f661e11e1635074fce0f1dd0ea0fc5117fb286feb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dccca941bd566a16a6e383f661e11e1635074fce0f1dd0ea0fc5117fb286feb2", kill_on_drop: false }` [INFO] [stdout] dccca941bd566a16a6e383f661e11e1635074fce0f1dd0ea0fc5117fb286feb2