[INFO] fetching crate amy 0.10.0...
[INFO] checking amy-0.10.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate amy 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate amy 0.10.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amy 0.10.0
[INFO] finished tweaking crates.io crate amy 0.10.0
[INFO] tweaked toml for crates.io crate amy 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a5f3b328643829149a07aa933123d5d1fa369233e42d83742df53ecdf1d4009
[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" "5a5f3b328643829149a07aa933123d5d1fa369233e42d83742df53ecdf1d4009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5f3b328643829149a07aa933123d5d1fa369233e42d83742df53ecdf1d4009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5f3b328643829149a07aa933123d5d1fa369233e42d83742df53ecdf1d4009", kill_on_drop: false }`
[INFO] [stdout] 5a5f3b328643829149a07aa933123d5d1fa369233e42d83742df53ecdf1d4009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f19d81ed69f4a3aee8616de173be6ec3359e446aa0da2ce5dc298e133174de7
[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" "7f19d81ed69f4a3aee8616de173be6ec3359e446aa0da2ce5dc298e133174de7", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking amy v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/line_reader.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let bytes_read = try!(reader.read(&mut self.buf.vec[self.buf.write_loc..]));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/frame_reader.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let bytes_read = try!(reader.read(&mut self.header[self.bytes_read..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/frame_reader.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bytes_read = try!(reader.read(&mut self.current[self.bytes_read..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try!(self.tx.send(msg));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             try!(self.user_event.trigger());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(self.tx.send(msg));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |             try!(self.user_event.trigger());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.tx.try_send(msg));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             try!(self.user_event.trigger());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             try!(self.user_event.clear());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             try!(self.user_event.trigger());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/timerfd.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(arm_timer(fd, timeout_in_ms, recurring));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/line_reader.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let bytes_read = try!(reader.read(&mut self.buf.vec[self.buf.write_loc..]));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/frame_reader.rs:100:26
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let bytes_read = try!(reader.read(&mut self.header[self.bytes_read..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/frame_reader.rs:113:26
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let bytes_read = try!(reader.read(&mut self.current[self.bytes_read..]));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         try!(self.tx.send(msg));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             try!(self.user_event.trigger());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(self.tx.send(msg));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |             try!(self.user_event.trigger());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.tx.try_send(msg));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             try!(self.user_event.trigger());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             try!(self.user_event.clear());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             try!(self.user_event.trigger());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/timerfd.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(arm_timer(fd, timeout_in_ms, recurring));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_err` that must be used
[INFO] [stdout]    --> tests/channel_test.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     tx.try_send("b").is_err();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.17s
[INFO] running `Command { std: "docker" "inspect" "7f19d81ed69f4a3aee8616de173be6ec3359e446aa0da2ce5dc298e133174de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f19d81ed69f4a3aee8616de173be6ec3359e446aa0da2ce5dc298e133174de7", kill_on_drop: false }`
[INFO] [stdout] 7f19d81ed69f4a3aee8616de173be6ec3359e446aa0da2ce5dc298e133174de7