[INFO] cloning repository https://github.com/iamzko/rust_study1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamzko/rust_study1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamzko%2Frust_study1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamzko%2Frust_study1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b45adddbf82b679f6b07e532a331a32e77ef8de2
[INFO] checking iamzko/rust_study1 against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamzko%2Frust_study1" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamzko/rust_study1 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/iamzko/rust_study1
[INFO] finished tweaking git repo https://github.com/iamzko/rust_study1
[INFO] tweaked toml for git repo https://github.com/iamzko/rust_study1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/iamzko/rust_study1 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 }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded primal-estimate v0.3.1
[INFO] [stderr]   Downloaded primal-bit v0.3.0
[INFO] [stderr]   Downloaded primal-sieve v0.3.1
[INFO] [stderr]   Downloaded bitarray v0.2.6
[INFO] [stderr]   Downloaded arrsac v0.5.0
[INFO] [stderr]   Downloaded sample-consensus v1.0.1
[INFO] [stderr]   Downloaded nshare v0.1.1
[INFO] [stderr]   Downloaded space v0.10.3
[INFO] [stderr]   Downloaded levenberg-marquardt v0.7.0
[INFO] [stderr]   Downloaded hnsw v0.6.1
[INFO] [stderr]   Downloaded primal v0.3.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.21
[INFO] [stderr]   Downloaded imageproc v0.21.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d168c64ba7ca9b92ea1cb6a3bc543e6ffde1151b692ba4209c7c6a46ff50a95
[INFO] running `Command { std: "docker" "start" "-a" "3d168c64ba7ca9b92ea1cb6a3bc543e6ffde1151b692ba4209c7c6a46ff50a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d168c64ba7ca9b92ea1cb6a3bc543e6ffde1151b692ba4209c7c6a46ff50a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d168c64ba7ca9b92ea1cb6a3bc543e6ffde1151b692ba4209c7c6a46ff50a95", kill_on_drop: false }`
[INFO] [stdout] 3d168c64ba7ca9b92ea1cb6a3bc543e6ffde1151b692ba4209c7c6a46ff50a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f3e3627f41ff68c462dc30e338dcf5294040200c6faee953cb53fec1e4313714
[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" "f3e3627f41ff68c462dc30e338dcf5294040200c6faee953cb53fec1e4313714", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking sample-consensus v1.0.1
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking iced_core v0.2.1
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking svg_fmt v0.2.1
[INFO] [stderr]     Checking space v0.10.3
[INFO] [stderr]     Checking primal-estimate v0.3.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.10
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking primal-bit v0.3.0
[INFO] [stderr]     Checking bitarray v0.2.6
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking iced_style v0.1.0
[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/bitarray-0.2.6/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_cpus v1.13.0
[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 `bitarray` 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" "f3e3627f41ff68c462dc30e338dcf5294040200c6faee953cb53fec1e4313714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e3627f41ff68c462dc30e338dcf5294040200c6faee953cb53fec1e4313714", kill_on_drop: false }`
[INFO] [stdout] f3e3627f41ff68c462dc30e338dcf5294040200c6faee953cb53fec1e4313714
