[INFO] fetching crate wire 0.0.12...
[INFO] checking wire-0.0.12 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wire 0.0.12 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate wire 0.0.12 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wire 0.0.12
[INFO] finished tweaking crates.io crate wire 0.0.12
[INFO] tweaked toml for crates.io crate wire 0.0.12 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages
[INFO] [stderr]       Adding bincode v0.5.9 (latest: v1.3.3)
[INFO] [stderr]       Adding byteorder v0.5.3 (latest: v1.5.0)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding serde v0.7.15 (latest: v1.0.197)
[INFO] [stderr]       Adding vec_map v0.0.1 (latest: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unreliable-message v0.1.0
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded vec_map v0.0.1
[INFO] [stderr]   Downloaded bchannel v0.0.10
[INFO] [stderr]   Downloaded bincode v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa37cc31e909968fa79028f0ddb0dc0096b7c741e3149dedde95fb44e0e7be34
[INFO] running `Command { std: "docker" "start" "-a" "aa37cc31e909968fa79028f0ddb0dc0096b7c741e3149dedde95fb44e0e7be34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa37cc31e909968fa79028f0ddb0dc0096b7c741e3149dedde95fb44e0e7be34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa37cc31e909968fa79028f0ddb0dc0096b7c741e3149dedde95fb44e0e7be34", kill_on_drop: false }`
[INFO] [stdout] aa37cc31e909968fa79028f0ddb0dc0096b7c741e3149dedde95fb44e0e7be34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f345c64c6ecc05cf25994f770d776a4140cb0d634f61a77cecdbc46eebc3835
[INFO] running `Command { std: "docker" "start" "-a" "6f345c64c6ecc05cf25994f770d776a4140cb0d634f61a77cecdbc46eebc3835", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking vec_map v0.0.1
[INFO] [stderr]     Checking bchannel v0.0.10
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.5.9
[INFO] [stderr]     Checking unreliable-message v0.1.0
[INFO] [stderr]     Checking wire v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/tcp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/tcp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[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/tcp.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[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/tcp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let tcpl = try!(TcpListener::bind(&addr));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let tcpl2 = try!(tcpl.try_clone());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tcp.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let s2 = try!(s1.try_clone());
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let tcpl = try!(TcpListener::bind(&addr));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bchannel` is imported redundantly
[INFO] [stdout]  --> src/udp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bchannel::{self, channel};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bchannel;
[INFO] [stdout]   | ---------------------- the item `bchannel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let tcpl2 = try!(tcpl.try_clone());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tcp.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let s2 = try!(s1.try_clone());
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialize` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serialize;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rustc_serialize as serialize;
[INFO] [stdout]    | ------------------------------------------ the item `serialize` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let encoded = try!(bincode::rustc_serialize::encode(object, bincode::SizeLimit::Infinite));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let addrs_clonable = try!(AddrsContainer::from_to_sock(addr));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bchannel` is imported redundantly
[INFO] [stdout]  --> src/udp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bchannel::{self, channel};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bchannel;
[INFO] [stdout]   | ---------------------- the item `bchannel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     whitelist.extend(try!(addrs_clonable.to_socket_addrs()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let sock_1 = try!(UdpSocket::bind(addrs_clonable.clone()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let sock_2 = try!(sock_1.try_clone());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialize` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serialize;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rustc_serialize as serialize;
[INFO] [stdout]    | ------------------------------------------ the item `serialize` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let encoded = try!(bincode::rustc_serialize::encode(object, bincode::SizeLimit::Infinite));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let addrs_clonable = try!(AddrsContainer::from_to_sock(addr));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     whitelist.extend(try!(addrs_clonable.to_socket_addrs()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let sock_1 = try!(UdpSocket::bind(addrs_clonable.clone()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let sock_2 = try!(sock_1.try_clone());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/unreliable_message.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             sender.send(&line, theirs);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = sender.send(&line, theirs);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: unreliable-message v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "6f345c64c6ecc05cf25994f770d776a4140cb0d634f61a77cecdbc46eebc3835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f345c64c6ecc05cf25994f770d776a4140cb0d634f61a77cecdbc46eebc3835", kill_on_drop: false }`
[INFO] [stdout] 6f345c64c6ecc05cf25994f770d776a4140cb0d634f61a77cecdbc46eebc3835
[INFO] checking wire-0.0.12 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate wire 0.0.12 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate wire 0.0.12 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wire 0.0.12
[INFO] finished tweaking crates.io crate wire 0.0.12
[INFO] tweaked toml for crates.io crate wire 0.0.12 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf42a8785afda0351ca5f23844e2bd22ad730183198f835fd813905dcf3e7803
[INFO] running `Command { std: "docker" "start" "-a" "bf42a8785afda0351ca5f23844e2bd22ad730183198f835fd813905dcf3e7803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf42a8785afda0351ca5f23844e2bd22ad730183198f835fd813905dcf3e7803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf42a8785afda0351ca5f23844e2bd22ad730183198f835fd813905dcf3e7803", kill_on_drop: false }`
[INFO] [stdout] bf42a8785afda0351ca5f23844e2bd22ad730183198f835fd813905dcf3e7803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9ddcaa0d759aec94b9ed4e13ec23f8f5e87e0951c48cdd5ef769a84c279f7ba
[INFO] running `Command { std: "docker" "start" "-a" "b9ddcaa0d759aec94b9ed4e13ec23f8f5e87e0951c48cdd5ef769a84c279f7ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking vec_map v0.0.1
[INFO] [stderr]     Checking bchannel v0.0.10
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.5.9
[INFO] [stderr]     Checking unreliable-message v0.1.0
[INFO] [stderr]     Checking wire v0.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/tcp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[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/tcp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let tcpl = try!(TcpListener::bind(&addr));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let tcpl2 = try!(tcpl.try_clone());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tcp.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let s2 = try!(s1.try_clone());
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bchannel` is imported redundantly
[INFO] [stdout]  --> src/udp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bchannel::{self, channel};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bchannel;
[INFO] [stdout]   | ---------------------- the item `bchannel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialize` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serialize;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rustc_serialize as serialize;
[INFO] [stdout]    | ------------------------------------------ the item `serialize` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let encoded = try!(bincode::rustc_serialize::encode(object, bincode::SizeLimit::Infinite));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let addrs_clonable = try!(AddrsContainer::from_to_sock(addr));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     whitelist.extend(try!(addrs_clonable.to_socket_addrs()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let sock_1 = try!(UdpSocket::bind(addrs_clonable.clone()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let sock_2 = try!(sock_1.try_clone());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/tcp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[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/tcp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Ok(try!(upgrade_tcp(try!(TcpStream::connect(&addr)), read_limit, write_limit)))
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let tcpl = try!(TcpListener::bind(&addr));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tcp.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let tcpl2 = try!(tcpl.try_clone());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tcp.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let s2 = try!(s1.try_clone());
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bchannel` is imported redundantly
[INFO] [stdout]  --> src/udp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bchannel::{self, channel};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate bchannel;
[INFO] [stdout]   | ---------------------- the item `bchannel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use bincode;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | extern crate bincode;
[INFO] [stdout]    | --------------------- the item `bincode` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialize` is imported redundantly
[INFO] [stdout]   --> src/udp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serialize;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rustc_serialize as serialize;
[INFO] [stdout]    | ------------------------------------------ the item `serialize` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let encoded = try!(bincode::rustc_serialize::encode(object, bincode::SizeLimit::Infinite));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let addrs_clonable = try!(AddrsContainer::from_to_sock(addr));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     whitelist.extend(try!(addrs_clonable.to_socket_addrs()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let sock_1 = try!(UdpSocket::bind(addrs_clonable.clone()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/udp.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let sock_2 = try!(sock_1.try_clone());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/unreliable_message.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             sender.send(&line, theirs);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let _ = sender.send(&line, theirs);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: unreliable-message v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "b9ddcaa0d759aec94b9ed4e13ec23f8f5e87e0951c48cdd5ef769a84c279f7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ddcaa0d759aec94b9ed4e13ec23f8f5e87e0951c48cdd5ef769a84c279f7ba", kill_on_drop: false }`
[INFO] [stdout] b9ddcaa0d759aec94b9ed4e13ec23f8f5e87e0951c48cdd5ef769a84c279f7ba