[INFO] cloning repository https://github.com/lolo32/ifconfig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolo32/ifconfig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolo32%2Fifconfig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolo32%2Fifconfig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a55e8653d41566d0e8cd67e94d3f436f8aec5bce
[INFO] checking lolo32/ifconfig against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolo32%2Fifconfig" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lolo32/ifconfig 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 git repo https://github.com/lolo32/ifconfig
[INFO] finished tweaking git repo https://github.com/lolo32/ifconfig
[INFO] tweaked toml for git repo https://github.com/lolo32/ifconfig written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/lolo32/ifconfig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 488d44cbe018f3410b653de0794896d1a70e6827e79b9ece5c9b87293ed74c32
[INFO] running `Command { std: "docker" "start" "-a" "488d44cbe018f3410b653de0794896d1a70e6827e79b9ece5c9b87293ed74c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488d44cbe018f3410b653de0794896d1a70e6827e79b9ece5c9b87293ed74c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488d44cbe018f3410b653de0794896d1a70e6827e79b9ece5c9b87293ed74c32", kill_on_drop: false }`
[INFO] [stdout] 488d44cbe018f3410b653de0794896d1a70e6827e79b9ece5c9b87293ed74c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] aab3b8b0641276178e515280f20fd2ff5f176bf9ec2202339909f5b4e1ca81a4
[INFO] running `Command { std: "docker" "start" "-a" "aab3b8b0641276178e515280f20fd2ff5f176bf9ec2202339909f5b4e1ca81a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling http-types v2.11.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]     Checking route-recognizer v0.2.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
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[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
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[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking byte-pool v0.2.3
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking polyval v0.4.5
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[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking idna v0.2.3
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[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking hkdf v0.10.0
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[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]    Compiling include-flate-codegen v0.1.3
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/include-flate-codegen-0.1.3/src/lib.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![cfg_attr(not(feature = "stable"), feature(proc_macro_span))]
[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 `include-flate-codegen` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aab3b8b0641276178e515280f20fd2ff5f176bf9ec2202339909f5b4e1ca81a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab3b8b0641276178e515280f20fd2ff5f176bf9ec2202339909f5b4e1ca81a4", kill_on_drop: false }`
[INFO] [stdout] aab3b8b0641276178e515280f20fd2ff5f176bf9ec2202339909f5b4e1ca81a4
