[INFO] fetching crate fast-threadpool 0.3.0...
[INFO] testing fast-threadpool-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fast-threadpool 0.3.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-threadpool 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 617d2d9849db2cb43e8a789f89a69541ec23b64287110b8654939ede19b32079
[INFO] running `Command { std: "docker" "start" "-a" "617d2d9849db2cb43e8a789f89a69541ec23b64287110b8654939ede19b32079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617d2d9849db2cb43e8a789f89a69541ec23b64287110b8654939ede19b32079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617d2d9849db2cb43e8a789f89a69541ec23b64287110b8654939ede19b32079", kill_on_drop: false }`
[INFO] [stdout] 617d2d9849db2cb43e8a789f89a69541ec23b64287110b8654939ede19b32079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f9fafc551ea98d37a9ab55b029e6aec88f2f84038abb28fd2e0f1dfb43e2c39
[INFO] running `Command { std: "docker" "start" "-a" "2f9fafc551ea98d37a9ab55b029e6aec88f2f84038abb28fd2e0f1dfb43e2c39", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-oneshot v0.4.2
[INFO] [stderr]    Compiling nanorand v0.7.0
[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<R>(FlumeSender<R>, FlumeReceiver<R>);
[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<R>(FlumeSender<R>, FlumeReceiver<R>);
[INFO] [stdout] 80 + pub struct JoinHandle<R>((), FlumeReceiver<R>);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "2f9fafc551ea98d37a9ab55b029e6aec88f2f84038abb28fd2e0f1dfb43e2c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9fafc551ea98d37a9ab55b029e6aec88f2f84038abb28fd2e0f1dfb43e2c39", kill_on_drop: false }`
[INFO] [stdout] 2f9fafc551ea98d37a9ab55b029e6aec88f2f84038abb28fd2e0f1dfb43e2c39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f16bb009d9dc23c572ce81dc120053ac471e0b6100e2993b8055147c9f6333f
[INFO] running `Command { std: "docker" "start" "-a" "3f16bb009d9dc23c572ce81dc120053ac471e0b6100e2993b8055147c9f6333f", 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<R>(FlumeSender<R>, FlumeReceiver<R>);
[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<R>(FlumeSender<R>, FlumeReceiver<R>);
[INFO] [stdout] 80 + pub struct JoinHandle<R>((), FlumeReceiver<R>);
[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<R>(FlumeSender<R>, FlumeReceiver<R>);
[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<R>(FlumeSender<R>, FlumeReceiver<R>);
[INFO] [stdout] 80 + pub struct JoinHandle<R>((), FlumeReceiver<R>);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "3f16bb009d9dc23c572ce81dc120053ac471e0b6100e2993b8055147c9f6333f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f16bb009d9dc23c572ce81dc120053ac471e0b6100e2993b8055147c9f6333f", kill_on_drop: false }`
[INFO] [stdout] 3f16bb009d9dc23c572ce81dc120053ac471e0b6100e2993b8055147c9f6333f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b35a20f0e76f26f17bbeb6040eaf2917ce9bac82aaf24f385324da513e039bd
[INFO] running `Command { std: "docker" "start" "-a" "1b35a20f0e76f26f17bbeb6040eaf2917ce9bac82aaf24f385324da513e039bd", 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<R>(FlumeSender<R>, FlumeReceiver<R>);
[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<R>(FlumeSender<R>, FlumeReceiver<R>);
[INFO] [stderr] 80 + pub struct JoinHandle<R>((), FlumeReceiver<R>);
[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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_threadpool-ccb74247a9008dfa)
[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 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_threadpool
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b35a20f0e76f26f17bbeb6040eaf2917ce9bac82aaf24f385324da513e039bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b35a20f0e76f26f17bbeb6040eaf2917ce9bac82aaf24f385324da513e039bd", kill_on_drop: false }`
[INFO] [stdout] 1b35a20f0e76f26f17bbeb6040eaf2917ce9bac82aaf24f385324da513e039bd
