[INFO] cloning repository https://github.com/wattrg/rnmf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wattrg/rnmf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e09168863e46733add467a6305f922ba0f516ef0
[INFO] checking wattrg/rnmf against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wattrg/rnmf 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/wattrg/rnmf
[INFO] finished tweaking git repo https://github.com/wattrg/rnmf
[INFO] tweaked toml for git repo https://github.com/wattrg/rnmf written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wattrg/rnmf 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 80efa963c6f428478691a5e2d5359beb18cb96989b9769d3b194dad49a8dc32f
[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" "80efa963c6f428478691a5e2d5359beb18cb96989b9769d3b194dad49a8dc32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80efa963c6f428478691a5e2d5359beb18cb96989b9769d3b194dad49a8dc32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80efa963c6f428478691a5e2d5359beb18cb96989b9769d3b194dad49a8dc32f", kill_on_drop: false }`
[INFO] [stdout] 80efa963c6f428478691a5e2d5359beb18cb96989b9769d3b194dad49a8dc32f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a20bfe521ecc89f9df25f81cd3ffef65747da8e2db874e6a3c181a5730886beb
[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" "a20bfe521ecc89f9df25f81cd3ffef65747da8e2db874e6a3c181a5730886beb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking bytemuck v1.5.0
[INFO] [stderr]     Checking lz4_flex v0.7.5
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking vtkio v0.6.3
[INFO] [stderr]     Checking rnmf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::CartesianBlock`
[INFO] [stdout]  --> src/mesh/cartesian2d/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use block::CartesianBlock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RealVec2`
[INFO] [stdout]  --> src/mesh/cartesian2d/dataframe.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Real, UIntVec2, RealVec2};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rnmf` due to 2 previous errors; 2 warnings emitted
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a20bfe521ecc89f9df25f81cd3ffef65747da8e2db874e6a3c181a5730886beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20bfe521ecc89f9df25f81cd3ffef65747da8e2db874e6a3c181a5730886beb", kill_on_drop: false }`
[INFO] [stdout] a20bfe521ecc89f9df25f81cd3ffef65747da8e2db874e6a3c181a5730886beb
