[INFO] cloning repository https://github.com/ilya-epifanov/gyroflow-ofx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilya-epifanov/gyroflow-ofx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filya-epifanov%2Fgyroflow-ofx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filya-epifanov%2Fgyroflow-ofx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f5d6a1d18aad9274eac995e46fe8adf1169d978
[INFO] testing ilya-epifanov/gyroflow-ofx against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filya-epifanov%2Fgyroflow-ofx" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilya-epifanov/gyroflow-ofx 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] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ilya-epifanov/gyroflow-ofx
[INFO] finished tweaking git repo https://github.com/ilya-epifanov/gyroflow-ofx
[INFO] tweaked toml for git repo https://github.com/ilya-epifanov/gyroflow-ofx written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ilya-epifanov/gyroflow-ofx 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 log-mdc v0.1.0
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded float-ord v0.3.2
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded serde_yaml v0.8.19
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded bindgen v0.58.1
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0c913e808dbd53b26953518cc6338ec1052c30a578d84278348820c99ae8b2bf
[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" "0c913e808dbd53b26953518cc6338ec1052c30a578d84278348820c99ae8b2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c913e808dbd53b26953518cc6338ec1052c30a578d84278348820c99ae8b2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c913e808dbd53b26953518cc6338ec1052c30a578d84278348820c99ae8b2bf", kill_on_drop: false }`
[INFO] [stdout] 0c913e808dbd53b26953518cc6338ec1052c30a578d84278348820c99ae8b2bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98373018db3120b82a7546f76cc2899b425728cdcd226b4a4f346864be70ba9a
[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" "98373018db3120b82a7546f76cc2899b425728cdcd226b4a4f346864be70ba9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_yaml v0.8.19
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling measure_time v0.6.0
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling nalgebra v0.26.2
[INFO] [stderr]    Compiling ofx_sys v0.2.0 (https://github.com/ilya-epifanov/ofx-rs.git?rev=424b171f71845be130fefd31e494c04fe54a22ce#424b171f)
[INFO] [stderr]    Compiling ofx v0.3.0 (https://github.com/ilya-epifanov/ofx-rs.git?rev=424b171f71845be130fefd31e494c04fe54a22ce#424b171f)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/ofx-rs-3e92a0f47d94cd00/424b171/ofx/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_idents)]
[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/git/checkouts/ofx-rs-3e92a0f47d94cd00/424b171/ofx/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ofx` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "98373018db3120b82a7546f76cc2899b425728cdcd226b4a4f346864be70ba9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98373018db3120b82a7546f76cc2899b425728cdcd226b4a4f346864be70ba9a", kill_on_drop: false }`
[INFO] [stdout] 98373018db3120b82a7546f76cc2899b425728cdcd226b4a4f346864be70ba9a