[INFO] fetching crate fast-threadpool 0.3.0... [INFO] testing fast-threadpool-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate fast-threadpool 0.3.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate fast-threadpool 0.3.0 [INFO] finished tweaking crates.io crate fast-threadpool 0.3.0 [INFO] tweaked toml for crates.io crate fast-threadpool 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fast-threadpool 0.3.0 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 42 packages to latest compatible versions [INFO] [stderr] Adding async-oneshot v0.4.2 (available: v0.5.9) [INFO] [stderr] Adding flume v0.10.14 (available: v0.11.1) [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 futures-micro v0.3.1 [INFO] [stderr] Downloaded async-oneshot v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3af983c73794b7fe46e169f94a0c3abc7359d82cd6ba8da299406b037899aa8c [INFO] running `Command { std: "docker" "start" "-a" "3af983c73794b7fe46e169f94a0c3abc7359d82cd6ba8da299406b037899aa8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3af983c73794b7fe46e169f94a0c3abc7359d82cd6ba8da299406b037899aa8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3af983c73794b7fe46e169f94a0c3abc7359d82cd6ba8da299406b037899aa8c", kill_on_drop: false }` [INFO] [stdout] 3af983c73794b7fe46e169f94a0c3abc7359d82cd6ba8da299406b037899aa8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 549be4b6941eaf1c70792d3681178279dc0f4ab88a3d6a53197217048c7f220f [INFO] running `Command { std: "docker" "start" "-a" "549be4b6941eaf1c70792d3681178279dc0f4ab88a3d6a53197217048c7f220f", kill_on_drop: false }` [INFO] [stderr] Compiling futures-micro v0.3.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling async-oneshot v0.4.2 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling pin-project v1.1.10 [INFO] [stderr] Compiling flume v0.10.14 [INFO] [stderr] Compiling fast-threadpool v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/handler.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 80 - pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] 80 + pub struct JoinHandle((), FlumeReceiver); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s [INFO] running `Command { std: "docker" "inspect" "549be4b6941eaf1c70792d3681178279dc0f4ab88a3d6a53197217048c7f220f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "549be4b6941eaf1c70792d3681178279dc0f4ab88a3d6a53197217048c7f220f", kill_on_drop: false }` [INFO] [stdout] 549be4b6941eaf1c70792d3681178279dc0f4ab88a3d6a53197217048c7f220f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e7d45a064817b77b74826fbb4e264febfdda98f535943fed2eb97eb110160adf [INFO] running `Command { std: "docker" "start" "-a" "e7d45a064817b77b74826fbb4e264febfdda98f535943fed2eb97eb110160adf", kill_on_drop: false }` [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/handler.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 80 - pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] 80 + pub struct JoinHandle((), FlumeReceiver); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling fast-threadpool v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/handler.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 80 - pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] 80 + pub struct JoinHandle((), FlumeReceiver); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.16s [INFO] running `Command { std: "docker" "inspect" "e7d45a064817b77b74826fbb4e264febfdda98f535943fed2eb97eb110160adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7d45a064817b77b74826fbb4e264febfdda98f535943fed2eb97eb110160adf", kill_on_drop: false }` [INFO] [stdout] e7d45a064817b77b74826fbb4e264febfdda98f535943fed2eb97eb110160adf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e9b781fa9f259ef57f4c7c37b0e2e3bd0fb6358a5e704ce2eea95769f8af4b4 [INFO] running `Command { std: "docker" "start" "-a" "5e9b781fa9f259ef57f4c7c37b0e2e3bd0fb6358a5e704ce2eea95769f8af4b4", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/handler.rs:80:26 [INFO] [stderr] | [INFO] [stderr] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stderr] | ---------- ^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 80 - pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stderr] 80 + pub struct JoinHandle((), FlumeReceiver); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `fast-threadpool` (lib) generated 1 warning [INFO] [stderr] warning: `fast-threadpool` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_threadpool-093b0462d90afdcb) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test state::tests::test_state ... ok [INFO] [stdout] test tests::test_sync ... ok [INFO] [stdout] test tests::test_async ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s [INFO] [stdout] [INFO] [stderr] Doc-tests fast_threadpool [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 23) ... ok [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5e9b781fa9f259ef57f4c7c37b0e2e3bd0fb6358a5e704ce2eea95769f8af4b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e9b781fa9f259ef57f4c7c37b0e2e3bd0fb6358a5e704ce2eea95769f8af4b4", kill_on_drop: false }` [INFO] [stdout] 5e9b781fa9f259ef57f4c7c37b0e2e3bd0fb6358a5e704ce2eea95769f8af4b4