[INFO] cloning repository https://github.com/rethab/rab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rethab/rab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frethab%2Frab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frethab%2Frab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d84e6b332330ebeac8d3785757ad1efc4de979a4
[INFO] checking rethab/rab against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frethab%2Frab" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rethab/rab
[INFO] finished tweaking git repo https://github.com/rethab/rab
[INFO] tweaked toml for git repo https://github.com/rethab/rab written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rethab/rab on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rethab/rab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87c13ca834196208914fe73c2a6576cb24862077ea98bf9a7f1a3a493826a22c
[INFO] running `Command { std: "docker" "start" "-a" "87c13ca834196208914fe73c2a6576cb24862077ea98bf9a7f1a3a493826a22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c13ca834196208914fe73c2a6576cb24862077ea98bf9a7f1a3a493826a22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c13ca834196208914fe73c2a6576cb24862077ea98bf9a7f1a3a493826a22c", kill_on_drop: false }`
[INFO] [stdout] 87c13ca834196208914fe73c2a6576cb24862077ea98bf9a7f1a3a493826a22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33d7a75eaa5d1b59e2813ab9c27672c2379ca0d48280a92683b96a7bfb96454
[INFO] running `Command { std: "docker" "start" "-a" "a33d7a75eaa5d1b59e2813ab9c27672c2379ca0d48280a92683b96a7bfb96454", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking rab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@tests/read_http_response.rs:84:17: 84:25}, Body>, Infallible>
[INFO] [stdout]   --> tests/read_http_response.rs:82:64
[INFO] [stdout]    |
[INFO] [stdout] 82 |           let make_svc = make_service_fn(move |_conn| async move {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 83 | |             Ok::<_, Infallible>(service_fn(
[INFO] [stdout] 84 | |                 move |_| async move { Ok::<_, Infallible>(resp()) },
[INFO] [stdout] 85 | |             ))
[INFO] [stdout] 86 | |         });
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@tests/read_http_response.rs:84:17: 84:25}, Body>, Infallible>
[INFO] [stdout]   --> tests/read_http_response.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 | /             Ok::<_, Infallible>(service_fn(
[INFO] [stdout] 84 | |                 move |_| async move { Ok::<_, Infallible>(resp()) },
[INFO] [stdout] 85 | |             ))
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> tests/read_http_response.rs:84:37
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 move |_| async move { Ok::<_, Infallible>(resp()) },
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> tests/read_http_response.rs:84:39
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 move |_| async move { Ok::<_, Infallible>(resp()) },
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rab` (test "read_http_response") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a33d7a75eaa5d1b59e2813ab9c27672c2379ca0d48280a92683b96a7bfb96454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33d7a75eaa5d1b59e2813ab9c27672c2379ca0d48280a92683b96a7bfb96454", kill_on_drop: false }`
[INFO] [stdout] a33d7a75eaa5d1b59e2813ab9c27672c2379ca0d48280a92683b96a7bfb96454