[INFO] fetching crate async-stream-impl 0.3.0...
[INFO] testing async-stream-impl-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-stream-impl 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate async-stream-impl 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-stream-impl 0.3.0
[INFO] finished tweaking crates.io crate async-stream-impl 0.3.0
[INFO] tweaked toml for crates.io crate async-stream-impl 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8229d00ee2c416abd9b0e1e652d4254acb2918652549217825cb0e17453afc58
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8229d00ee2c416abd9b0e1e652d4254acb2918652549217825cb0e17453afc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8229d00ee2c416abd9b0e1e652d4254acb2918652549217825cb0e17453afc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8229d00ee2c416abd9b0e1e652d4254acb2918652549217825cb0e17453afc58", kill_on_drop: false }`
[INFO] [stdout] 8229d00ee2c416abd9b0e1e652d4254acb2918652549217825cb0e17453afc58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a69f78af2f4e22a835467032ad0836a75e8fefd44926a22253cf1c7c97e09592
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a69f78af2f4e22a835467032ad0836a75e8fefd44926a22253cf1c7c97e09592", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling async-stream-impl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.97s
[INFO] running `Command { std: "docker" "inspect" "a69f78af2f4e22a835467032ad0836a75e8fefd44926a22253cf1c7c97e09592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69f78af2f4e22a835467032ad0836a75e8fefd44926a22253cf1c7c97e09592", kill_on_drop: false }`
[INFO] [stdout] a69f78af2f4e22a835467032ad0836a75e8fefd44926a22253cf1c7c97e09592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 171e70d06174ed571d20f7f8a528d909cb739de77295f4d55a210476ad0287be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "171e70d06174ed571d20f7f8a528d909cb739de77295f4d55a210476ad0287be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling async-stream-impl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "171e70d06174ed571d20f7f8a528d909cb739de77295f4d55a210476ad0287be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171e70d06174ed571d20f7f8a528d909cb739de77295f4d55a210476ad0287be", kill_on_drop: false }`
[INFO] [stdout] 171e70d06174ed571d20f7f8a528d909cb739de77295f4d55a210476ad0287be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd5e0993be8f908764e6ebbb7294d5fe484d867f4fc2a97e189fb274f47ab658
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd5e0993be8f908764e6ebbb7294d5fe484d867f4fc2a97e189fb274f47ab658", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_stream_impl-94b4c6d20e0a2573
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-stream-impl
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - try_stream (line 186) ... FAILED
[INFO] [stdout] test src/lib.rs - stream (line 123) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - try_stream (line 186) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `async_stream`
[INFO] [stdout]  --> src/lib.rs:189:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_stream::try_stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `async_stream`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `try_stream`
[INFO] [stdout]   --> src/lib.rs:198:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     try_stream! {
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - stream (line 123) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `async_stream`
[INFO] [stdout]  --> src/lib.rs:124:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use async_stream::stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `async_stream`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `stream`
[INFO] [stdout]  --> src/lib.rs:131:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let s = stream! {
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `Pin<&mut _>` in the current scope
[INFO] [stdout]   --> src/lib.rs:139:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     while let Some(value) = s.next().await {
[INFO] [stdout]    |                               ^^^^ method not found in `Pin<&mut _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `s` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - stream (line 123)
[INFO] [stdout]     src/lib.rs - try_stream (line 186)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "fd5e0993be8f908764e6ebbb7294d5fe484d867f4fc2a97e189fb274f47ab658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5e0993be8f908764e6ebbb7294d5fe484d867f4fc2a97e189fb274f47ab658", kill_on_drop: false }`
[INFO] [stdout] fd5e0993be8f908764e6ebbb7294d5fe484d867f4fc2a97e189fb274f47ab658