[INFO] cloning repository https://github.com/matt2xu/rustfest2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt2xu/rustfest2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt2xu%2Frustfest2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt2xu%2Frustfest2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ec43273c9f805a59aa6e2cbb2ad4564b9b4cb94
[INFO] checking matt2xu/rustfest2016 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt2xu%2Frustfest2016" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt2xu/rustfest2016 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matt2xu/rustfest2016
[INFO] finished tweaking git repo https://github.com/matt2xu/rustfest2016
[INFO] tweaked toml for git repo https://github.com/matt2xu/rustfest2016 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matt2xu/rustfest2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/bytes`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-proto`
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-service`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
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[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.16
[INFO] [stderr]   Downloaded regex-syntax v0.3.5
[INFO] [stderr]   Downloaded regex v0.1.76
[INFO] [stderr]   Downloaded tokio-core v0.1.0
[INFO] [stderr]   Downloaded mio v0.6.0
[INFO] [stderr]   Downloaded smallvec v0.2.0
[INFO] [stderr]   Downloaded futures v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3d44e3550a8d6b436dab7850ec823f1f9add884728f400c7d5ff11aef596f8b
[INFO] running `Command { std: "docker" "start" "-a" "a3d44e3550a8d6b436dab7850ec823f1f9add884728f400c7d5ff11aef596f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3d44e3550a8d6b436dab7850ec823f1f9add884728f400c7d5ff11aef596f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d44e3550a8d6b436dab7850ec823f1f9add884728f400c7d5ff11aef596f8b", kill_on_drop: false }`
[INFO] [stdout] a3d44e3550a8d6b436dab7850ec823f1f9add884728f400c7d5ff11aef596f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f6296430d8d567602d2498e00b771e0c6177ec2179c0805743ee29714134aec
[INFO] running `Command { std: "docker" "start" "-a" "3f6296430d8d567602d2498e00b771e0c6177ec2179c0805743ee29714134aec", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.3.5
[INFO] [stderr]     Checking futures v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking bytes v0.4.0-dev (https://github.com/carllerche/bytes#f693e038)
[INFO] [stderr]     Checking smallvec v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service#4d56c91f)
[INFO] [stderr]     Checking regex v0.1.76
[INFO] [stderr]     Checking env_logger v0.3.4
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking tokio-core v0.1.0
[INFO] [stderr]     Checking tokio-proto v0.1.0 (https://github.com/tokio-rs/tokio-proto#63028a16)
[INFO] [stderr]     Checking rustfest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ident.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(lines.next().unwrap());
[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/ident.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file = try!(File::open(filename));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ident.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let line = try!(line);
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ident.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(write!(f, "{}, {}: ", self.server, self.client));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ident.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(write!(f, "USERID: {}", os));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ident.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     try!(write!(f, ", {}", charset));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ident.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(lines.next().unwrap());
[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/ident.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let file = try!(File::open(filename));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ident.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |             let line = try!(line);
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ident.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         try!(write!(f, "{}, {}: ", self.server, self.client));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ident.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(write!(f, "USERID: {}", os));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ident.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     try!(write!(f, ", {}", charset));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/blocking_ident.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let ip = try!(reader.get_ref().peer_addr()).ip();
[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/bin/blocking_ident.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let ip = try!(reader.get_ref().peer_addr()).ip();
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/incorrect_ident.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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/bin/blocking_ident.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(reader.get_mut().write_all(reply.to_string().as_ref()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/blocking_ident.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     while try!(reader.read_line(&mut request)) > 0 {
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/incorrect_ident.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             try!(self.reader.get_ref().write_all(reply.as_ref()));
[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/bin/blocking_ident.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(reader.get_mut().write_all(reply.to_string().as_ref()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/incorrect_ident.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if try!(self.reader.read_line(&mut self.request)) > 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/bin/blocking_ident.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     while try!(reader.read_line(&mut request)) > 0 {
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/incorrect_ident.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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/bin/incorrect_ident.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             try!(self.reader.get_ref().write_all(reply.as_ref()));
[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/bin/incorrect_ident.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if try!(self.reader.read_line(&mut self.request)) > 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3f6296430d8d567602d2498e00b771e0c6177ec2179c0805743ee29714134aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6296430d8d567602d2498e00b771e0c6177ec2179c0805743ee29714134aec", kill_on_drop: false }`
[INFO] [stdout] 3f6296430d8d567602d2498e00b771e0c6177ec2179c0805743ee29714134aec