Dec 07 17:08:09.323 INFO testing fahrenheit-4.5.2 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 17:08:09.323 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 17:08:09.469 INFO [stdout] ab3d06bf0ed1d21f6604b3b19241949dcd94adfff779558a68690c0924ca7a47
Dec 07 17:08:09.472 INFO running `"docker" "start" "-a" "ab3d06bf0ed1d21f6604b3b19241949dcd94adfff779558a68690c0924ca7a47"`
Dec 07 17:08:09.927 INFO [stderr] usermod: no changes
Dec 07 17:08:09.950 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 07 17:08:10.032 INFO [stderr]    Compiling futures-util-preview v0.3.0-alpha.10
Dec 07 17:08:14.513 INFO [stderr]    Compiling futures-executor-preview v0.3.0-alpha.10
Dec 07 17:08:17.204 INFO [stderr]    Compiling futures-preview v0.3.0-alpha.10
Dec 07 17:08:18.660 INFO [stderr]    Compiling fahrenheit v4.5.2 (/source)
Dec 07 17:08:21.788 INFO [stderr] warning: method is never used: `handle`
Dec 07 17:08:21.788 INFO [stderr]    --> src/lib.rs:117:5
Dec 07 17:08:21.788 INFO [stderr]     |
Dec 07 17:08:21.788 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 07 17:08:21.788 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:08:21.788 INFO [stderr]     |
Dec 07 17:08:21.788 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 07 17:08:21.788 INFO [stderr] 
Dec 07 17:08:22.535 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.58s
Dec 07 17:08:22.536 INFO [stderr] su: No module specific data is present
Dec 07 17:08:23.428 INFO running `"docker" "inspect" "ab3d06bf0ed1d21f6604b3b19241949dcd94adfff779558a68690c0924ca7a47"`
Dec 07 17:08:23.712 INFO running `"docker" "rm" "-f" "ab3d06bf0ed1d21f6604b3b19241949dcd94adfff779558a68690c0924ca7a47"`
Dec 07 17:08:24.188 INFO [stdout] ab3d06bf0ed1d21f6604b3b19241949dcd94adfff779558a68690c0924ca7a47
Dec 07 17:08:24.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 17:08:24.748 INFO [stdout] 14430de85230d23e036afc7be0f2f4307ffa14a20aeba20048bbc854391c109a
Dec 07 17:08:24.756 INFO running `"docker" "start" "-a" "14430de85230d23e036afc7be0f2f4307ffa14a20aeba20048bbc854391c109a"`
Dec 07 17:08:26.097 INFO [stderr] usermod: no changes
Dec 07 17:08:26.164 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 07 17:08:26.320 INFO [stderr]    Compiling fahrenheit v4.5.2 (/source)
Dec 07 17:08:30.210 INFO [stderr] warning: method is never used: `handle`
Dec 07 17:08:30.210 INFO [stderr]    --> src/lib.rs:117:5
Dec 07 17:08:30.210 INFO [stderr]     |
Dec 07 17:08:30.210 INFO [stderr] 117 |     pub fn handle(&self) -> Handle {
Dec 07 17:08:30.210 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:08:30.210 INFO [stderr]     |
Dec 07 17:08:30.210 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 07 17:08:30.210 INFO [stderr] 
Dec 07 17:08:30.382 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 17:08:30.382 INFO [stderr]   --> examples/server.rs:23:5
Dec 07 17:08:30.382 INFO [stderr]    |
Dec 07 17:08:30.382 INFO [stderr] 23 |     await!(stream.read_exact(&mut buf));
Dec 07 17:08:30.382 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:08:30.382 INFO [stderr]    |
Dec 07 17:08:30.382 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 17:08:30.382 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 17:08:30.382 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 17:08:30.382 INFO [stderr] 
Dec 07 17:08:32.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.49s
Dec 07 17:08:32.628 INFO [stderr] su: No module specific data is present
Dec 07 17:08:33.180 INFO running `"docker" "inspect" "14430de85230d23e036afc7be0f2f4307ffa14a20aeba20048bbc854391c109a"`
Dec 07 17:08:33.329 INFO running `"docker" "rm" "-f" "14430de85230d23e036afc7be0f2f4307ffa14a20aeba20048bbc854391c109a"`
Dec 07 17:08:33.426 INFO [stdout] 14430de85230d23e036afc7be0f2f4307ffa14a20aeba20048bbc854391c109a
Dec 07 17:08:33.428 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 17:08:33.595 INFO [stdout] c43bf406a9c080036e7a74c63eb23f086c3c4e4d4d487dc61fce21a1e34c087b
Dec 07 17:08:33.598 INFO running `"docker" "start" "-a" "c43bf406a9c080036e7a74c63eb23f086c3c4e4d4d487dc61fce21a1e34c087b"`
Dec 07 17:08:34.032 INFO [stderr] usermod: no changes
Dec 07 17:08:34.067 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 07 17:08:34.121 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 07 17:08:34.137 INFO [stderr]      Running /target/debug/deps/fahrenheit-5e127d00370d531c
Dec 07 17:08:34.139 INFO [stdout] 
Dec 07 17:08:34.139 INFO [stdout] running 0 tests
Dec 07 17:08:34.139 INFO [stdout] 
Dec 07 17:08:34.139 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 17:08:34.139 INFO [stdout] 
Dec 07 17:08:34.139 INFO [stderr]    Doc-tests fahrenheit
Dec 07 17:08:38.920 INFO [stdout] 
Dec 07 17:08:38.920 INFO [stdout] running 0 tests
Dec 07 17:08:38.920 INFO [stdout] 
Dec 07 17:08:38.920 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 17:08:38.920 INFO [stdout] 
Dec 07 17:08:38.929 INFO [stderr] su: No module specific data is present
Dec 07 17:08:39.205 INFO running `"docker" "inspect" "c43bf406a9c080036e7a74c63eb23f086c3c4e4d4d487dc61fce21a1e34c087b"`
Dec 07 17:08:39.290 INFO running `"docker" "rm" "-f" "c43bf406a9c080036e7a74c63eb23f086c3c4e4d4d487dc61fce21a1e34c087b"`
Dec 07 17:08:39.414 INFO [stdout] c43bf406a9c080036e7a74c63eb23f086c3c4e4d4d487dc61fce21a1e34c087b