[INFO] cloning repository https://github.com/brdgme/api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brdgme/api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Fapi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Fapi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec326e9e527a07c836fc0cf541a30461eb05fa97
[INFO] testing brdgme/api against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Fapi" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brdgme/api on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/brdgme/api
[INFO] finished tweaking git repo https://github.com/brdgme/api
[INFO] tweaked toml for git repo https://github.com/brdgme/api written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/brdgme/api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded serde_json v1.0.8
[INFO] [stderr]   Downloaded rocket v0.3.3
[INFO] [stderr]   Downloaded r2d2-diesel v0.12.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.3
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded diesel v0.12.1
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.1.0
[INFO] [stderr]   Downloaded diesel_derives v0.99.0
[INFO] [stderr]   Downloaded regex v0.2.3
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded state v0.3.2
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded pq-sys v0.4.4
[INFO] [stderr]   Downloaded email v0.0.18
[INFO] [stderr]   Downloaded openssl-sys v0.9.23
[INFO] [stderr]   Downloaded serde_derive v1.0.24
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded diesel v0.99.0
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded isatty v0.1.6
[INFO] [stderr]   Downloaded rocket_contrib v0.3.3
[INFO] [stderr]   Downloaded serde v1.0.24
[INFO] [stderr]   Downloaded hyper-rustls v0.6.1
[INFO] [stderr]   Downloaded redis v0.8.0
[INFO] [stderr]   Downloaded lettre v0.6.2
[INFO] [stderr]   Downloaded email v0.0.17
[INFO] [stderr]   Downloaded webpki v0.14.0
[INFO] [stderr]   Downloaded r2d2 v0.7.4
[INFO] [stderr]   Downloaded yansi v0.3.4
[INFO] [stderr]   Downloaded rand v0.3.18
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded num_cpus v1.7.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.18.0
[INFO] [stderr]   Downloaded webpki-roots v0.11.0
[INFO] [stderr]   Downloaded rustls v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 0cd0b27f972f79a40f2b09f118dd7360eaaf2351a336d786de8e52f68cfef671
[INFO] running `Command { std: "docker" "start" "-a" "0cd0b27f972f79a40f2b09f118dd7360eaaf2351a336d786de8e52f68cfef671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cd0b27f972f79a40f2b09f118dd7360eaaf2351a336d786de8e52f68cfef671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd0b27f972f79a40f2b09f118dd7360eaaf2351a336d786de8e52f68cfef671", kill_on_drop: false }`
[INFO] [stdout] 0cd0b27f972f79a40f2b09f118dd7360eaaf2351a336d786de8e52f68cfef671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] b272a6454f8b591e9ab9171903706ae6662af1d7a8c6d9739d08f4439e42127b
[INFO] running `Command { std: "docker" "start" "-a" "b272a6454f8b591e9ab9171903706ae6662af1d7a8c6d9739d08f4439e42127b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling serde v1.0.24
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[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/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b272a6454f8b591e9ab9171903706ae6662af1d7a8c6d9739d08f4439e42127b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b272a6454f8b591e9ab9171903706ae6662af1d7a8c6d9739d08f4439e42127b", kill_on_drop: false }`
[INFO] [stdout] b272a6454f8b591e9ab9171903706ae6662af1d7a8c6d9739d08f4439e42127b