[INFO] fetching crate jack-client 0.1.2...
[INFO] checking jack-client-0.1.2 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate jack-client 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jack-client 0.1.2 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jack-client 0.1.2
[INFO] finished tweaking crates.io crate jack-client 0.1.2
[INFO] tweaked toml for crates.io crate jack-client 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jack-sys v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9714ce0cce97ed7977d3b2169ef9a5eda8f640aa944c78ce00fce763ec3d9505
[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" "9714ce0cce97ed7977d3b2169ef9a5eda8f640aa944c78ce00fce763ec3d9505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9714ce0cce97ed7977d3b2169ef9a5eda8f640aa944c78ce00fce763ec3d9505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9714ce0cce97ed7977d3b2169ef9a5eda8f640aa944c78ce00fce763ec3d9505", kill_on_drop: false }`
[INFO] [stdout] 9714ce0cce97ed7977d3b2169ef9a5eda8f640aa944c78ce00fce763ec3d9505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d8bb33c1e35adc70705d562b21c81b0ce6dba83b1259a4bf071cf1d986bb24
[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" "09d8bb33c1e35adc70705d562b21c81b0ce6dba83b1259a4bf071cf1d986bb24", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking jack-sys v0.1.5
[INFO] [stderr]     Checking jack-client v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_derive)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `#[proc_macro_derive]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_derive)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `#[proc_macro_derive]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_void`
[INFO] [stdout]  --> src/client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JackControl`
[INFO] [stdout]   --> src/client.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use callbacks::{JackControl, JackHandler, register_callbacks};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JackErr`
[INFO] [stdout]   --> src/client.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use error::{ClientStatus, JackErr};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `client::JackClient`
[INFO] [stdout]  --> src/port.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use client::JackClient;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> src/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::sleep;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_void`
[INFO] [stdout]  --> src/client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JackControl`
[INFO] [stdout]   --> src/client.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use callbacks::{JackControl, JackHandler, register_callbacks};
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JackErr`
[INFO] [stdout]   --> src/client.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use error::{ClientStatus, JackErr};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `client::JackClient`
[INFO] [stdout]  --> src/port.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use client::JackClient;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jack-client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "09d8bb33c1e35adc70705d562b21c81b0ce6dba83b1259a4bf071cf1d986bb24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d8bb33c1e35adc70705d562b21c81b0ce6dba83b1259a4bf071cf1d986bb24", kill_on_drop: false }`
[INFO] [stdout] 09d8bb33c1e35adc70705d562b21c81b0ce6dba83b1259a4bf071cf1d986bb24