[INFO] fetching crate amy 0.10.0...
[INFO] checking amy-0.10.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[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 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9ed04092cf1483297012f635db73ae4607ddf62de423c3103689b061f826e5
[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" "4b9ed04092cf1483297012f635db73ae4607ddf62de423c3103689b061f826e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9ed04092cf1483297012f635db73ae4607ddf62de423c3103689b061f826e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9ed04092cf1483297012f635db73ae4607ddf62de423c3103689b061f826e5", kill_on_drop: false }`
[INFO] [stdout] 4b9ed04092cf1483297012f635db73ae4607ddf62de423c3103689b061f826e5
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f36109a650efc74b4c0507171fb2bd69757c94e3aee85b49b39d2c1e5c92d4cd
[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" "f36109a650efc74b4c0507171fb2bd69757c94e3aee85b49b39d2c1e5c92d4cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking iovec v0.1.4
[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: 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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.04s
[INFO] running `Command { std: "docker" "inspect" "f36109a650efc74b4c0507171fb2bd69757c94e3aee85b49b39d2c1e5c92d4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36109a650efc74b4c0507171fb2bd69757c94e3aee85b49b39d2c1e5c92d4cd", kill_on_drop: false }`
[INFO] [stdout] f36109a650efc74b4c0507171fb2bd69757c94e3aee85b49b39d2c1e5c92d4cd