[INFO] cloning repository https://github.com/Eraden/rider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eraden/rider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEraden%2Frider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEraden%2Frider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c01076cc1c31c5d47d0f210069cf497136ad9e5
[INFO] testing Eraden/rider against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEraden%2Frider" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eraden/rider 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] started tweaking git repo https://github.com/Eraden/rider
[INFO] finished tweaking git repo https://github.com/Eraden/rider
[INFO] tweaked toml for git repo https://github.com/Eraden/rider written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/Eraden/rider 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.41
[INFO] [stderr]   Downloaded serde_json v1.0.34
[INFO] [stderr]   Downloaded dirs v1.0.4
[INFO] [stderr]   Downloaded serde_derive v1.0.84
[INFO] [stderr]   Downloaded redox_users v0.2.0
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded serde v1.0.84
[INFO] [stderr]   Downloaded redox_syscall v0.1.50
[INFO] [stderr]   Downloaded redfa v0.0.2
[INFO] [stderr]   Downloaded plex v0.2.3
[INFO] [stderr]   Downloaded env_logger v0.6.0
[INFO] [stderr]   Downloaded lalr v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 956ae283c84549e8816d741919340db9beef1d6fff69a81788a1bce14195c58e
[INFO] running `Command { std: "docker" "start" "-a" "956ae283c84549e8816d741919340db9beef1d6fff69a81788a1bce14195c58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "956ae283c84549e8816d741919340db9beef1d6fff69a81788a1bce14195c58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956ae283c84549e8816d741919340db9beef1d6fff69a81788a1bce14195c58e", kill_on_drop: false }`
[INFO] [stdout] 956ae283c84549e8816d741919340db9beef1d6fff69a81788a1bce14195c58e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e4926f8203b6aa8de348e03f69189c00d4e6dfe1582489d37cb2d4562d7ce7
[INFO] running `Command { std: "docker" "start" "-a" "d2e4926f8203b6aa8de348e03f69189c00d4e6dfe1582489d37cb2d4562d7ce7", 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]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling lalr v0.0.2
[INFO] [stderr]    Compiling c_vec v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling redfa v0.0.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling plex v0.2.3
[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/plex-0.2.3/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)]
[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/registry/src/github.com-1ecc6299db9ec823/plex-0.2.3/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_span)]
[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 `plex` 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" "d2e4926f8203b6aa8de348e03f69189c00d4e6dfe1582489d37cb2d4562d7ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e4926f8203b6aa8de348e03f69189c00d4e6dfe1582489d37cb2d4562d7ce7", kill_on_drop: false }`
[INFO] [stdout] d2e4926f8203b6aa8de348e03f69189c00d4e6dfe1582489d37cb2d4562d7ce7