[INFO] fetching crate threadbeam 0.1.1...
[INFO] testing threadbeam-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate threadbeam 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate threadbeam 0.1.1
[INFO] finished tweaking crates.io crate threadbeam 0.1.1
[INFO] tweaked toml for crates.io crate threadbeam 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate threadbeam 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57347330f7b8b320b8772b7edb8e29cacb66006fb1b1004a2ea72a83c654e4d5
[INFO] running `Command { std: "docker" "start" "-a" "57347330f7b8b320b8772b7edb8e29cacb66006fb1b1004a2ea72a83c654e4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57347330f7b8b320b8772b7edb8e29cacb66006fb1b1004a2ea72a83c654e4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57347330f7b8b320b8772b7edb8e29cacb66006fb1b1004a2ea72a83c654e4d5", kill_on_drop: false }`
[INFO] [stdout] 57347330f7b8b320b8772b7edb8e29cacb66006fb1b1004a2ea72a83c654e4d5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81ef881dda15ea0304bbaf8eb56c1e7e6aa68bf76cc888fedcff947f8eb9f14e
[INFO] running `Command { std: "docker" "start" "-a" "81ef881dda15ea0304bbaf8eb56c1e7e6aa68bf76cc888fedcff947f8eb9f14e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling threadbeam v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/impl.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]    |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/impl.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]     |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "81ef881dda15ea0304bbaf8eb56c1e7e6aa68bf76cc888fedcff947f8eb9f14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ef881dda15ea0304bbaf8eb56c1e7e6aa68bf76cc888fedcff947f8eb9f14e", kill_on_drop: false }`
[INFO] [stdout] 81ef881dda15ea0304bbaf8eb56c1e7e6aa68bf76cc888fedcff947f8eb9f14e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0fccddc6c5b4f3c31e9960c090fadf69c6e1bca0d1a256dcb9b06f0b84d55be
[INFO] running `Command { std: "docker" "start" "-a" "f0fccddc6c5b4f3c31e9960c090fadf69c6e1bca0d1a256dcb9b06f0b84d55be", kill_on_drop: false }`
[INFO] [stderr]    Compiling threadbeam v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/impl.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]    |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/impl.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]     |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/impl.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]    |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/impl.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]     |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "f0fccddc6c5b4f3c31e9960c090fadf69c6e1bca0d1a256dcb9b06f0b84d55be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fccddc6c5b4f3c31e9960c090fadf69c6e1bca0d1a256dcb9b06f0b84d55be", kill_on_drop: false }`
[INFO] [stdout] f0fccddc6c5b4f3c31e9960c090fadf69c6e1bca0d1a256dcb9b06f0b84d55be
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74dfb2ef36b0f09f1f89c80fff6a8480e465ea7e4163c3a66f9e514db1a45e1f
[INFO] running `Command { std: "docker" "start" "-a" "74dfb2ef36b0f09f1f89c80fff6a8480e465ea7e4163c3a66f9e514db1a45e1f", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/impl.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 65 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stderr]    |                      +++++++                               +
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]    --> src/impl.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 103 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stderr]     |                      +++++++                               +
[INFO] [stderr] 
[INFO] [stderr] warning: `threadbeam` (lib) generated 2 warnings
[INFO] [stderr] warning: `threadbeam` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/threadbeam-2dae275169dea90b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_drop_rx_then_send ... ok
[INFO] [stdout] test test_never_recv ... ok
[INFO] [stdout] test test_dropped_thread_beam_3 ... ok
[INFO] [stdout] test test_dropped_thread_beam ... ok
[INFO] [stdout] test test_weird_usage_2 ... ok
[INFO] [stdout] test test_weird_usage ... ok
[INFO] [stdout] test test_thread_beam ... ok
[INFO] [stdout] test test_dropped_thread_beam_2 ... ok
[INFO] [stderr]    Doc-tests threadbeam
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/impl.rs - r#impl::spawn (line 144) ... ok
[INFO] [stdout] test src/impl.rs - r#impl::channel (line 114) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74dfb2ef36b0f09f1f89c80fff6a8480e465ea7e4163c3a66f9e514db1a45e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74dfb2ef36b0f09f1f89c80fff6a8480e465ea7e4163c3a66f9e514db1a45e1f", kill_on_drop: false }`
[INFO] [stdout] 74dfb2ef36b0f09f1f89c80fff6a8480e465ea7e4163c3a66f9e514db1a45e1f