[INFO] fetching crate gzip-header 0.3.0...
[INFO] testing gzip-header-0.3.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate gzip-header 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gzip-header 0.3.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gzip-header 0.3.0
[INFO] finished tweaking crates.io crate gzip-header 0.3.0
[INFO] tweaked toml for crates.io crate gzip-header 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e67025c04dd9215cc347f37daa99d7c52c04a1d074912f7a2c2f5915f9687f6
[INFO] running `Command { std: "docker" "start" "-a" "8e67025c04dd9215cc347f37daa99d7c52c04a1d074912f7a2c2f5915f9687f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e67025c04dd9215cc347f37daa99d7c52c04a1d074912f7a2c2f5915f9687f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e67025c04dd9215cc347f37daa99d7c52c04a1d074912f7a2c2f5915f9687f6", kill_on_drop: false }`
[INFO] [stdout] 8e67025c04dd9215cc347f37daa99d7c52c04a1d074912f7a2c2f5915f9687f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b8252441bf57617764eac22b2eed8a52aa4c3f62a36abe6039227b891179d1
[INFO] running `Command { std: "docker" "start" "-a" "a4b8252441bf57617764eac22b2eed8a52aa4c3f62a36abe6039227b891179d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling gzip-header v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/crc_reader.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let amt = try!(self.inner.read(into));
[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/lib.rs:474:5
[INFO] [stdout]     |
[INFO] [stdout] 474 |     try!(r.read_exact(&mut b));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:489:5
[INFO] [stdout]     |
[INFO] [stdout] 489 |     try!(crc_reader.read_exact(&mut header));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:517:20
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let xlen = try!(read_le_u16(&mut crc_reader));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         try!(crc_reader.read_exact(&mut extra));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:528:24
[INFO] [stdout]     |
[INFO] [stdout] 528 |             let byte = try!(byte);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:542:24
[INFO] [stdout]     |
[INFO] [stdout] 542 |             let byte = try!(byte);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:557:26
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let stored_crc = try!(read_le_u16(&mut crc_reader));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "a4b8252441bf57617764eac22b2eed8a52aa4c3f62a36abe6039227b891179d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b8252441bf57617764eac22b2eed8a52aa4c3f62a36abe6039227b891179d1", kill_on_drop: false }`
[INFO] [stdout] a4b8252441bf57617764eac22b2eed8a52aa4c3f62a36abe6039227b891179d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96a23da430aa9f114ff9d16203a35f6fad4d2934487553671a801840263c17e7
[INFO] running `Command { std: "docker" "start" "-a" "96a23da430aa9f114ff9d16203a35f6fad4d2934487553671a801840263c17e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gzip-header v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/crc_reader.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let amt = try!(self.inner.read(into));
[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/lib.rs:474:5
[INFO] [stdout]     |
[INFO] [stdout] 474 |     try!(r.read_exact(&mut b));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:489:5
[INFO] [stdout]     |
[INFO] [stdout] 489 |     try!(crc_reader.read_exact(&mut header));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:517:20
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let xlen = try!(read_le_u16(&mut crc_reader));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         try!(crc_reader.read_exact(&mut extra));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:528:24
[INFO] [stdout]     |
[INFO] [stdout] 528 |             let byte = try!(byte);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:542:24
[INFO] [stdout]     |
[INFO] [stdout] 542 |             let byte = try!(byte);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:557:26
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let stored_crc = try!(read_le_u16(&mut crc_reader));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/crc_reader.rs:106:19
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let amt = try!(self.inner.read(into));
[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/lib.rs:474:5
[INFO] [stdout]     |
[INFO] [stdout] 474 |     try!(r.read_exact(&mut b));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:489:5
[INFO] [stdout]     |
[INFO] [stdout] 489 |     try!(crc_reader.read_exact(&mut header));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:517:20
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let xlen = try!(read_le_u16(&mut crc_reader));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         try!(crc_reader.read_exact(&mut extra));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:528:24
[INFO] [stdout]     |
[INFO] [stdout] 528 |             let byte = try!(byte);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:542:24
[INFO] [stdout]     |
[INFO] [stdout] 542 |             let byte = try!(byte);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:557:26
[INFO] [stdout]     |
[INFO] [stdout] 557 |         let stored_crc = try!(read_le_u16(&mut crc_reader));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "96a23da430aa9f114ff9d16203a35f6fad4d2934487553671a801840263c17e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a23da430aa9f114ff9d16203a35f6fad4d2934487553671a801840263c17e7", kill_on_drop: false }`
[INFO] [stdout] 96a23da430aa9f114ff9d16203a35f6fad4d2934487553671a801840263c17e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 323d11e7ebe805dd1d90745646c1a8cadb612457c1788a453724037293860d20
[INFO] running `Command { std: "docker" "start" "-a" "323d11e7ebe805dd1d90745646c1a8cadb612457c1788a453724037293860d20", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/crc_reader.rs:106:19
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let amt = try!(self.inner.read(into));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:474:5
[INFO] [stderr]     |
[INFO] [stderr] 474 |     try!(r.read_exact(&mut b));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:489:5
[INFO] [stderr]     |
[INFO] [stderr] 489 |     try!(crc_reader.read_exact(&mut header));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:517:20
[INFO] [stderr]     |
[INFO] [stderr] 517 |         let xlen = try!(read_le_u16(&mut crc_reader));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:519:9
[INFO] [stderr]     |
[INFO] [stderr] 519 |         try!(crc_reader.read_exact(&mut extra));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:528:24
[INFO] [stderr]     |
[INFO] [stderr] 528 |             let byte = try!(byte);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:542:24
[INFO] [stderr]     |
[INFO] [stderr] 542 |             let byte = try!(byte);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:557:26
[INFO] [stderr]     |
[INFO] [stderr] 557 |         let stored_crc = try!(read_le_u16(&mut crc_reader));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/crc_reader.rs:106:19
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let amt = try!(self.inner.read(into));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:474:5
[INFO] [stderr]     |
[INFO] [stderr] 474 |     try!(r.read_exact(&mut b));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:489:5
[INFO] [stderr]     |
[INFO] [stderr] 489 |     try!(crc_reader.read_exact(&mut header));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:517:20
[INFO] [stderr]     |
[INFO] [stderr] 517 |         let xlen = try!(read_le_u16(&mut crc_reader));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:519:9
[INFO] [stderr]     |
[INFO] [stderr] 519 |         try!(crc_reader.read_exact(&mut extra));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:528:24
[INFO] [stderr]     |
[INFO] [stderr] 528 |             let byte = try!(byte);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:542:24
[INFO] [stderr]     |
[INFO] [stderr] 542 |             let byte = try!(byte);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:557:26
[INFO] [stderr]     |
[INFO] [stderr] 557 |         let stored_crc = try!(read_le_u16(&mut crc_reader));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gzip_header-39f488c51acc8ee0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::filesystem_enum ... ok
[INFO] [stdout] test crc_reader::test::checksum_correct ... ok
[INFO] [stdout] test tests::roundtrip ... ok
[INFO] [stdout] test tests::roundtrip_with_crc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gzip-header
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "323d11e7ebe805dd1d90745646c1a8cadb612457c1788a453724037293860d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323d11e7ebe805dd1d90745646c1a8cadb612457c1788a453724037293860d20", kill_on_drop: false }`
[INFO] [stdout] 323d11e7ebe805dd1d90745646c1a8cadb612457c1788a453724037293860d20