[INFO] fetching crate http2parse 0.2.2...
[INFO] testing http2parse-0.2.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate http2parse 0.2.2 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate http2parse 0.2.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate http2parse 0.2.2
[INFO] finished tweaking crates.io crate http2parse 0.2.2
[INFO] tweaked toml for crates.io crate http2parse 0.2.2 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87e2587ad485895bd875322fe6b435b608e59edc068ae15c9f030786c3a70bb1
[INFO] running `Command { std: "docker" "start" "-a" "87e2587ad485895bd875322fe6b435b608e59edc068ae15c9f030786c3a70bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87e2587ad485895bd875322fe6b435b608e59edc068ae15c9f030786c3a70bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e2587ad485895bd875322fe6b435b608e59edc068ae15c9f030786c3a70bb1", kill_on_drop: false }`
[INFO] [stdout] 87e2587ad485895bd875322fe6b435b608e59edc068ae15c9f030786c3a70bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bf6dcec41210dac71447ce4756d2a65f1f620da74a87db7ad25f569d67ad785
[INFO] running `Command { std: "docker" "start" "-a" "9bf6dcec41210dac71447ce4756d2a65f1f620da74a87db7ad25f569d67ad785", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling http2parse v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/payload.rs:92:37
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 let (_, priority) = try!(Priority::parse(true, buf));
[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/payload.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |             data: try!(trim_padding(settings, header, buf))
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:188:15
[INFO] [stdout]     |
[INFO] [stdout] 188 |         buf = try!(trim_padding(settings, header, buf));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:189:31
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (buf, priority) = try!(Priority::parse(settings.priority, buf));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         buf = try!(trim_padding(settings, header, buf));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frame.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             payload: try!(Payload::parse(header, buf))
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frame.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |             flag: try!(Flag::new(buf[4]).map_err(|()| { Error::BadFlag(buf[4]) })),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "9bf6dcec41210dac71447ce4756d2a65f1f620da74a87db7ad25f569d67ad785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf6dcec41210dac71447ce4756d2a65f1f620da74a87db7ad25f569d67ad785", kill_on_drop: false }`
[INFO] [stdout] 9bf6dcec41210dac71447ce4756d2a65f1f620da74a87db7ad25f569d67ad785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2450de2a7f39488403cf77e2ed691408b33d88a6f360bf02589ef00c80fe38a
[INFO] running `Command { std: "docker" "start" "-a" "c2450de2a7f39488403cf77e2ed691408b33d88a6f360bf02589ef00c80fe38a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/payload.rs:92:37
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 let (_, priority) = try!(Priority::parse(true, buf));
[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/payload.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |             data: try!(trim_padding(settings, header, buf))
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:188:15
[INFO] [stdout]     |
[INFO] [stdout] 188 |         buf = try!(trim_padding(settings, header, buf));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:189:31
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (buf, priority) = try!(Priority::parse(settings.priority, buf));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         buf = try!(trim_padding(settings, header, buf));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frame.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             payload: try!(Payload::parse(header, buf))
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frame.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |             flag: try!(Flag::new(buf[4]).map_err(|()| { Error::BadFlag(buf[4]) })),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling http2parse v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(test, feature(test))]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/payload.rs:92:37
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 let (_, priority) = try!(Priority::parse(true, buf));
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |             data: try!(trim_padding(settings, header, buf))
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:188:15
[INFO] [stdout]     |
[INFO] [stdout] 188 |         buf = try!(trim_padding(settings, header, buf));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:189:31
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (buf, priority) = try!(Priority::parse(settings.priority, buf));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/payload.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         buf = try!(trim_padding(settings, header, buf));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frame.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             payload: try!(Payload::parse(header, buf))
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/frame.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |             flag: try!(Flag::new(buf[4]).map_err(|()| { Error::BadFlag(buf[4]) })),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `http2parse`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c2450de2a7f39488403cf77e2ed691408b33d88a6f360bf02589ef00c80fe38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2450de2a7f39488403cf77e2ed691408b33d88a6f360bf02589ef00c80fe38a", kill_on_drop: false }`
[INFO] [stdout] c2450de2a7f39488403cf77e2ed691408b33d88a6f360bf02589ef00c80fe38a
