[INFO] fetching crate hars 0.1.0...
[INFO] testing hars-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate hars 0.1.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate hars 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hars 0.1.0
[INFO] finished tweaking crates.io crate hars 0.1.0
[INFO] tweaked toml for crates.io crate hars 0.1.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate hars 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 pin-project v0.4.7
[INFO] [stderr]   Downloaded pin-project-internal v0.4.7
[INFO] [stderr]   Downloaded tokio v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c60f914ca1b1d7d135812b9acdb518ce6f3f0f14e7b2ce7a8ff0651a7a4f349
[INFO] running `Command { std: "docker" "start" "-a" "2c60f914ca1b1d7d135812b9acdb518ce6f3f0f14e7b2ce7a8ff0651a7a4f349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c60f914ca1b1d7d135812b9acdb518ce6f3f0f14e7b2ce7a8ff0651a7a4f349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c60f914ca1b1d7d135812b9acdb518ce6f3f0f14e7b2ce7a8ff0651a7a4f349", kill_on_drop: false }`
[INFO] [stdout] 2c60f914ca1b1d7d135812b9acdb518ce6f3f0f14e7b2ce7a8ff0651a7a4f349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58e5e634dec34545019b16fa740c738a0f5bccb48df7cee9fea4ecbe57568b55
[INFO] running `Command { std: "docker" "start" "-a" "58e5e634dec34545019b16fa740c738a0f5bccb48df7cee9fea4ecbe57568b55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling smallvec v1.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]    Compiling tokio v0.2.10
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.7
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.1
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling cookie_store v0.10.0
[INFO] [stderr]    Compiling reqwest v0.10.1
[INFO] [stderr]    Compiling hars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<LocalProject>` in the current scope
[INFO] [stdout]    --> src/config.rs:111:29
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.local_projects.remove_item(&project);
[INFO] [stdout]     |                             ^^^^^^^^^^^ method not found in `Vec<LocalProject>`
[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, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hars` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "58e5e634dec34545019b16fa740c738a0f5bccb48df7cee9fea4ecbe57568b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e5e634dec34545019b16fa740c738a0f5bccb48df7cee9fea4ecbe57568b55", kill_on_drop: false }`
[INFO] [stdout] 58e5e634dec34545019b16fa740c738a0f5bccb48df7cee9fea4ecbe57568b55