[INFO] cloning repository https://github.com/r3v2d0g/pr0j3c75
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r3v2d0g/pr0j3c75" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr3v2d0g%2Fpr0j3c75", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr3v2d0g%2Fpr0j3c75'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 716f756c6a9f9c9d16377a94387bbe78fbb8d810
[INFO] testing r3v2d0g/pr0j3c75 against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr3v2d0g%2Fpr0j3c75" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r3v2d0g/pr0j3c75 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/r3v2d0g/pr0j3c75
[INFO] finished tweaking git repo https://github.com/r3v2d0g/pr0j3c75
[INFO] tweaked toml for git repo https://github.com/r3v2d0g/pr0j3c75 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/r3v2d0g/pr0j3c75 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 527840c283a305c8c460f09dabd5899a1185b1a59392f8786ef40e6c3a411d19
[INFO] running `Command { std: "docker" "start" "-a" "527840c283a305c8c460f09dabd5899a1185b1a59392f8786ef40e6c3a411d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "527840c283a305c8c460f09dabd5899a1185b1a59392f8786ef40e6c3a411d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527840c283a305c8c460f09dabd5899a1185b1a59392f8786ef40e6c3a411d19", kill_on_drop: false }`
[INFO] [stdout] 527840c283a305c8c460f09dabd5899a1185b1a59392f8786ef40e6c3a411d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa7217ada95902dce889b8093cd41a2a457a5f46ede45cc76625470b6a7d6532
[INFO] running `Command { std: "docker" "start" "-a" "aa7217ada95902dce889b8093cd41a2a457a5f46ede45cc76625470b6a7d6532", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fuser v0.6.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling pr0j3c75 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(option_expect_none)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `std::option::Option` in the current scope
[INFO] [stdout]   --> src/groups.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |         }).expect_none("group already exists");
[INFO] [stdout]    |            ^^^^^^^^^^^ method not found in `std::option::Option<Group>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `std::option::Option` in the current scope
[INFO] [stdout]   --> src/mirrors.rs:68:53
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.by_name.insert(name.clone(), self.ino).expect_none("mirror already exists");
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ method not found in `std::option::Option<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `std::option::Option` in the current scope
[INFO] [stdout]   --> src/mirrors.rs:91:40
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.by_name.insert(name, ino).expect_none("mirror already exists");
[INFO] [stdout]    |                                        ^^^^^^^^^^^ method not found in `std::option::Option<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `std::option::Option` in the current scope
[INFO] [stdout]    --> src/mirrors.rs:278:45
[INFO] [stdout]     |
[INFO] [stdout] 278 |             self.by_name.insert(name, *ino).expect_none("mirror already contains path");
[INFO] [stdout]     |                                             ^^^^^^^^^^^ method not found in `std::option::Option<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `std::option::Option` in the current scope
[INFO] [stdout]   --> src/projects.rs:62:53
[INFO] [stdout]    |
[INFO] [stdout] 62 |         self.by_name.insert(name.clone(), self.ino).expect_none("project already exists");
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ method not found in `std::option::Option<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `std::option::Option` in the current scope
[INFO] [stdout]   --> src/projects.rs:79:40
[INFO] [stdout]    |
[INFO] [stdout] 79 |         self.by_name.insert(name, ino).expect_none("project already exists");
[INFO] [stdout]    |                                        ^^^^^^^^^^^ method not found in `std::option::Option<u64>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pr0j3c75`
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa7217ada95902dce889b8093cd41a2a457a5f46ede45cc76625470b6a7d6532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7217ada95902dce889b8093cd41a2a457a5f46ede45cc76625470b6a7d6532", kill_on_drop: false }`
[INFO] [stdout] aa7217ada95902dce889b8093cd41a2a457a5f46ede45cc76625470b6a7d6532
