[INFO] cloning repository https://github.com/pbzweihander/old-ip-manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pbzweihander/old-ip-manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fold-ip-manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fold-ip-manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b79bd803f81e575018ff9b74fc161de9a50762bb
[INFO] testing pbzweihander/old-ip-manager against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fold-ip-manager" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pbzweihander/old-ip-manager 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/pbzweihander/old-ip-manager
[INFO] finished tweaking git repo https://github.com/pbzweihander/old-ip-manager
[INFO] tweaked toml for git repo https://github.com/pbzweihander/old-ip-manager written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pbzweihander/old-ip-manager 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 config v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 436729dab2a4faf9a4bd4a634ac360623678817ae0319ce0d5fea3b51a40913c
[INFO] running `Command { std: "docker" "start" "-a" "436729dab2a4faf9a4bd4a634ac360623678817ae0319ce0d5fea3b51a40913c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "436729dab2a4faf9a4bd4a634ac360623678817ae0319ce0d5fea3b51a40913c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436729dab2a4faf9a4bd4a634ac360623678817ae0319ce0d5fea3b51a40913c", kill_on_drop: false }`
[INFO] [stdout] 436729dab2a4faf9a4bd4a634ac360623678817ae0319ce0d5fea3b51a40913c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] be122fe0c541d460e23740cd5881d20857d342c98c76b723ddc1b2370213746f
[INFO] running `Command { std: "docker" "start" "-a" "be122fe0c541d460e23740cd5881d20857d342c98c76b723ddc1b2370213746f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling serde v1.0.18
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]    Compiling build_const v0.2.0
[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/yansi-0.3.4/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[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 `yansi` 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" "be122fe0c541d460e23740cd5881d20857d342c98c76b723ddc1b2370213746f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be122fe0c541d460e23740cd5881d20857d342c98c76b723ddc1b2370213746f", kill_on_drop: false }`
[INFO] [stdout] be122fe0c541d460e23740cd5881d20857d342c98c76b723ddc1b2370213746f