[INFO] fetching crate ipc-channel 0.15.0...
[INFO] checking ipc-channel-0.15.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ipc-channel 0.15.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ipc-channel 0.15.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipc-channel 0.15.0
[INFO] finished tweaking crates.io crate ipc-channel 0.15.0
[INFO] tweaked toml for crates.io crate ipc-channel 0.15.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sc v0.2.5
[INFO] [stderr]   Downloaded futures-test-preview v0.3.0-alpha.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed27eeaca7e16e3887d04d65facd7bd5c4b56e7703a395de0db3ecb6d44b6d4
[INFO] running `Command { std: "docker" "start" "-a" "aed27eeaca7e16e3887d04d65facd7bd5c4b56e7703a395de0db3ecb6d44b6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed27eeaca7e16e3887d04d65facd7bd5c4b56e7703a395de0db3ecb6d44b6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed27eeaca7e16e3887d04d65facd7bd5c4b56e7703a395de0db3ecb6d44b6d4", kill_on_drop: false }`
[INFO] [stdout] aed27eeaca7e16e3887d04d65facd7bd5c4b56e7703a395de0db3ecb6d44b6d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1269c2ea5d56de8380436e1b0d87ed7b0dd6ea21efccf9d2a8ceecdb332aa3
[INFO] running `Command { std: "docker" "start" "-a" "4d1269c2ea5d56de8380436e1b0d87ed7b0dd6ea21efccf9d2a8ceecdb332aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ipc-channel v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/platform/unix/mod.rs:287:10
[INFO] [stdout]     |
[INFO] [stdout] 287 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/platform/unix/mod.rs:1064:27
[INFO] [stdout]      |
[INFO] [stdout] 1064 |         let mut st = mem::uninitialized();
[INFO] [stdout]      |                           ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/platform/unix/mod.rs:684:31
[INFO] [stdout]     |
[INFO] [stdout] 684 |             let mut st = mem::uninitialized();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/platform/unix/mod.rs:287:10
[INFO] [stdout]     |
[INFO] [stdout] 287 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/platform/unix/mod.rs:1064:27
[INFO] [stdout]      |
[INFO] [stdout] 1064 |         let mut st = mem::uninitialized();
[INFO] [stdout]      |                           ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/platform/unix/mod.rs:684:31
[INFO] [stdout]     |
[INFO] [stdout] 684 |             let mut st = mem::uninitialized();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/platform/unix/mod.rs:598:86
[INFO] [stdout]     |
[INFO] [stdout] 598 |             let (sockaddr, len) = new_sockaddr_un(CString::new(path_string).unwrap().as_ptr());
[INFO] [stdout]     |                                                   ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipc-channel` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/platform/unix/mod.rs:598:86
[INFO] [stdout]     |
[INFO] [stdout] 598 |             let (sockaddr, len) = new_sockaddr_un(CString::new(path_string).unwrap().as_ptr());
[INFO] [stdout]     |                                                   ---------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d1269c2ea5d56de8380436e1b0d87ed7b0dd6ea21efccf9d2a8ceecdb332aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1269c2ea5d56de8380436e1b0d87ed7b0dd6ea21efccf9d2a8ceecdb332aa3", kill_on_drop: false }`
[INFO] [stdout] 4d1269c2ea5d56de8380436e1b0d87ed7b0dd6ea21efccf9d2a8ceecdb332aa3
