[INFO] fetching crate kunai 0.4.0...
[INFO] testing kunai-0.4.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate kunai 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate kunai 0.4.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kunai 0.4.0
[INFO] finished tweaking crates.io crate kunai 0.4.0
[INFO] tweaked toml for crates.io crate kunai 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate kunai 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded structopt v0.3.7
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.0
[INFO] [stderr]   Downloaded utf-8 v0.7.5
[INFO] [stderr]   Downloaded proc-macro-error v0.4.4
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.3
[INFO] [stderr]   Downloaded derive-new v0.5.8
[INFO] [stderr]   Downloaded cargo_metadata v0.8.2
[INFO] [stderr]   Downloaded rustversion v1.0.0
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.6
[INFO] [stderr]   Downloaded rustfmt-config_proc_macro v0.2.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.3
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded dtoa-short v0.3.2
[INFO] [stderr]   Downloaded tendril v0.4.1
[INFO] [stderr]   Downloaded rustc-rayon v0.3.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.13
[INFO] [stderr]   Downloaded syn-mid v0.4.0
[INFO] [stderr]   Downloaded curl-sys v0.4.24
[INFO] [stderr]   Downloaded rustc-ap-serialize v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-arena v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-graphviz v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax v610.0.0
[INFO] [stderr]   Downloaded home v0.5.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v610.0.0
[INFO] [stderr]   Downloaded rustc-rayon-core v0.3.0
[INFO] [stderr]   Downloaded rustfmt-nightly v1.4.11
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v610.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax_pos v610.0.0
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 075f437bd348d7ea2b3e25427ea7cdf77a3c8f81620de09f85c0cc8f0e18002f
[INFO] running `Command { std: "docker" "start" "-a" "075f437bd348d7ea2b3e25427ea7cdf77a3c8f81620de09f85c0cc8f0e18002f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "075f437bd348d7ea2b3e25427ea7cdf77a3c8f81620de09f85c0cc8f0e18002f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075f437bd348d7ea2b3e25427ea7cdf77a3c8f81620de09f85c0cc8f0e18002f", kill_on_drop: false }`
[INFO] [stdout] 075f437bd348d7ea2b3e25427ea7cdf77a3c8f81620de09f85c0cc8f0e18002f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9bd3e4855ef9c07f93f214f2a7c840c90c66e21f1955d52e4731dff42750b2f
[INFO] running `Command { std: "docker" "start" "-a" "a9bd3e4855ef9c07f93f214f2a7c840c90c66e21f1955d52e4731dff42750b2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.6.5/src/lib.rs:32:34
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(feature = "nightly", feature(alloc))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.6.5/src/lib.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.6.5/src/lib.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(feature = "nightly", feature(alloc))]
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lock_api-0.3.2/src/lib.rs:89:42
[INFO] [stdout]    |
[INFO] [stdout] 89 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a9bd3e4855ef9c07f93f214f2a7c840c90c66e21f1955d52e4731dff42750b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bd3e4855ef9c07f93f214f2a7c840c90c66e21f1955d52e4731dff42750b2f", kill_on_drop: false }`
[INFO] [stdout] a9bd3e4855ef9c07f93f214f2a7c840c90c66e21f1955d52e4731dff42750b2f
