[INFO] fetching crate http2parse 0.2.2...
[INFO] testing http2parse-0.2.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate http2parse 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate http2parse 0.2.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed13c723111a6af6add3b4432dc9d78333390f97f246dc0b1f99ba3d35d2361c
[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" "ed13c723111a6af6add3b4432dc9d78333390f97f246dc0b1f99ba3d35d2361c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed13c723111a6af6add3b4432dc9d78333390f97f246dc0b1f99ba3d35d2361c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed13c723111a6af6add3b4432dc9d78333390f97f246dc0b1f99ba3d35d2361c", kill_on_drop: false }`
[INFO] [stdout] ed13c723111a6af6add3b4432dc9d78333390f97f246dc0b1f99ba3d35d2361c
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adc5be12acb4a06d8887d7fa6eebbd8372c2517e2cdd41a06b80837c2196cbcb
[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" "adc5be12acb4a06d8887d7fa6eebbd8372c2517e2cdd41a06b80837c2196cbcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling byteorder v0.3.13
[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 2.22s
[INFO] running `Command { std: "docker" "inspect" "adc5be12acb4a06d8887d7fa6eebbd8372c2517e2cdd41a06b80837c2196cbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc5be12acb4a06d8887d7fa6eebbd8372c2517e2cdd41a06b80837c2196cbcb", kill_on_drop: false }`
[INFO] [stdout] adc5be12acb4a06d8887d7fa6eebbd8372c2517e2cdd41a06b80837c2196cbcb
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f76a7d7864fe5109a2ace0656d279a179cd23aa09746a52871ea9b5665fd5812
[INFO] running `Command { std: "docker" "start" "-a" "f76a7d7864fe5109a2ace0656d279a179cd23aa09746a52871ea9b5665fd5812", kill_on_drop: false }`
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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` due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f76a7d7864fe5109a2ace0656d279a179cd23aa09746a52871ea9b5665fd5812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76a7d7864fe5109a2ace0656d279a179cd23aa09746a52871ea9b5665fd5812", kill_on_drop: false }`
[INFO] [stdout] f76a7d7864fe5109a2ace0656d279a179cd23aa09746a52871ea9b5665fd5812