[INFO] fetching crate middleman 0.3.1...
[INFO] testing middleman-0.3.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate middleman 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate middleman 0.3.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate middleman 0.3.1
[INFO] finished tweaking crates.io crate middleman 0.3.1
[INFO] tweaked toml for crates.io crate middleman 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46a502fa9f367adef0cd826b4a5c2c2d9f33753a556e4e83d1eca4ce4d2a63d4
[INFO] running `Command { std: "docker" "start" "-a" "46a502fa9f367adef0cd826b4a5c2c2d9f33753a556e4e83d1eca4ce4d2a63d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a502fa9f367adef0cd826b4a5c2c2d9f33753a556e4e83d1eca4ce4d2a63d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a502fa9f367adef0cd826b4a5c2c2d9f33753a556e4e83d1eca4ce4d2a63d4", kill_on_drop: false }`
[INFO] [stdout] 46a502fa9f367adef0cd826b4a5c2c2d9f33753a556e4e83d1eca4ce4d2a63d4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b8e8d25fb89b46e2f980660b4c4c9cfcf995662d5a961fb9cebb7e0e03b4912
[INFO] running `Command { std: "docker" "start" "-a" "0b8e8d25fb89b46e2f980660b4c4c9cfcf995662d5a961fb9cebb7e0e03b4912", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling middleman v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structs.rs:313:18
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let mut vec = self.buf.drain(0..buf_end)
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `Command { std: "docker" "inspect" "0b8e8d25fb89b46e2f980660b4c4c9cfcf995662d5a961fb9cebb7e0e03b4912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8e8d25fb89b46e2f980660b4c4c9cfcf995662d5a961fb9cebb7e0e03b4912", kill_on_drop: false }`
[INFO] [stdout] 0b8e8d25fb89b46e2f980660b4c4c9cfcf995662d5a961fb9cebb7e0e03b4912
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15c46a518e337195d7f444d4e437e9e96b111f13174b4852c0da5cdd11403b03
[INFO] running `Command { std: "docker" "start" "-a" "15c46a518e337195d7f444d4e437e9e96b111f13174b4852c0da5cdd11403b03", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structs.rs:313:18
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let mut vec = self.buf.drain(0..buf_end)
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling middleman v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structs.rs:313:18
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 let mut vec = self.buf.drain(0..buf_end)
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:532:41
[INFO] [stdout]     |
[INFO] [stdout] 532 | ...                   let mut stream = streams.get_mut(&token).unwrap();
[INFO] [stdout]     |                           ----^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]    --> src/tests.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 TOK_A => { a.recv_all_map(&mut work); },
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]    --> src/tests.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 TOK_B => { b.recv_all_map(&mut work); },
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]    --> src/tests.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 | /             a.recv_all_map::<_, Complex>(|_mm, msg| {
[INFO] [stdout] 345 | |                 assert_eq!(&msg, &struct_form);
[INFO] [stdout] 346 | |                 to_go -= 1;
[INFO] [stdout] 347 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "15c46a518e337195d7f444d4e437e9e96b111f13174b4852c0da5cdd11403b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c46a518e337195d7f444d4e437e9e96b111f13174b4852c0da5cdd11403b03", kill_on_drop: false }`
[INFO] [stdout] 15c46a518e337195d7f444d4e437e9e96b111f13174b4852c0da5cdd11403b03
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e5323cc0c5c1f2d285f3714e849f80a6ae05e13e69b7e0decdc8602c7728959
[INFO] running `Command { std: "docker" "start" "-a" "0e5323cc0c5c1f2d285f3714e849f80a6ae05e13e69b7e0decdc8602c7728959", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/structs.rs:313:18
[INFO] [stderr]     |
[INFO] [stderr] 313 |                 let mut vec = self.buf.drain(0..buf_end)
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:532:41
[INFO] [stderr]     |
[INFO] [stderr] 532 | ...                   let mut stream = streams.get_mut(&token).unwrap();
[INFO] [stderr]     |                           ----^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]    --> src/tests.rs:226:28
[INFO] [stderr]     |
[INFO] [stderr] 226 |                 TOK_A => { a.recv_all_map(&mut work); },
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]    --> src/tests.rs:227:28
[INFO] [stderr]     |
[INFO] [stderr] 227 |                 TOK_B => { b.recv_all_map(&mut work); },
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]    --> src/tests.rs:344:13
[INFO] [stderr]     |
[INFO] [stderr] 344 | /             a.recv_all_map::<_, Complex>(|_mm, msg| {
[INFO] [stderr] 345 | |                 assert_eq!(&msg, &struct_form);
[INFO] [stderr] 346 | |                 to_go -= 1;
[INFO] [stderr] 347 | |             });
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `middleman` (lib) generated 1 warning (run `cargo fix --lib -p middleman` to apply 1 suggestion)
[INFO] [stderr] warning: `middleman` (lib test) generated 5 warnings (1 duplicate) (run `cargo fix --lib -p middleman --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/middleman-332cc4d99a1c0ac9)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::count_together ... ok
[INFO] [stdout] test tests::not_ready - should panic ... FAILED
[INFO] [stdout] test tests::echo_client_std ... ok
[INFO] [stdout] test tests::single_send_recv ... ok
[INFO] [stdout] test tests::safe_echo_client ... ok
[INFO] [stdout] test tests::simple_packed ... ok
[INFO] [stdout] test tests::recv_blocking ... ok
[INFO] [stdout] test tests::is_ready ... ok
[INFO] [stdout] test tests::send_a_lot ... ok
[INFO] [stdout] test tests::packed_best_case ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::not_ready stdout ----
[INFO] [stdout] note: test did not panic as expected
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::not_ready
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0e5323cc0c5c1f2d285f3714e849f80a6ae05e13e69b7e0decdc8602c7728959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5323cc0c5c1f2d285f3714e849f80a6ae05e13e69b7e0decdc8602c7728959", kill_on_drop: false }`
[INFO] [stdout] 0e5323cc0c5c1f2d285f3714e849f80a6ae05e13e69b7e0decdc8602c7728959
